Started experiencing the Transmission Shudder. GM refers to it as SERVICE BULLETIN 18-NA-355. Chevrolet Colorado 2017-2019. Condition: may be described as driving over low rumble strips or Highway with rough expansion joints. Cause: may be due to Torque Converter Clutch Shudder. Correction: Should have the appropriate fluid exchange procedure ...Jan 4, 2022 · They were not willing to admit that this is a widespread problem. I showed them the TSB 18-NA-355 that describes the problem. They said a new TSB was released in 2022, TSB 16-NA-361, where it states that this is normal operation and replacing any transmission components will not resolve the problem. Jan 4, 2022 · They were not willing to admit that this is a widespread problem. I showed them the TSB 18-NA-355 that describes the problem. They said a new TSB was released in 2022, TSB 16-NA-361, where it states that this is normal operation and replacing any transmission components will not resolve the problem. Chevrolet TSB 18-NA-177. Some customers may comment on any of the following conditions: A shake and/or shudder during light throttle acceleration between 25 and 80 mph (40 and 128 km/h) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement.If you do not get it done by then, you will have to pay for the repair yourself. Bottom Line: Free if you get the work done before the expiration date. Recalls. When cars come in for service, shops keep track of what the problems are and what customers are saying about their vehicles. When enough safety- or emissions-related problems have been ...TSB 18-NA-355 was updated July 2019 negating the need for the picoscope diagnosis (see the bottom section in your link), and dealerships were directed to flush their existing stock. Both versions of 18-NA-355 used the same exact Mobil 1 fluid (or the TSB would have had a different number), which my dealership began using Jan 2019.Started experiencing the Transmission Shudder. GM refers to it as SERVICE BULLETIN 18-NA-355. Chevrolet Colorado 2017-2019. Condition: may be described as driving over low rumble strips or Highway with rough expansion joints. Cause: may be due to Torque Converter Clutch Shudder. Correction: Should have the appropriate fluid exchange procedure ...Transmission flush fixed the shudder. (Tsb 18-NA-355) Took my 2018 Colorado WT in for the flush at the Chevy service center I get all my routine work done at. It was all covered under warranty as I only have 18,900 miles on it. Glad the flush fixed the issue. Runs smooth now, and the shifting is like night and day. The whole process took about ...The latest revision of the shudder TSB (July 8 2019 : 18-NA-355 TSB) now states to go ahead and just do the flush if it has not yet been performed. This is good news, and what GM should have done from the beginning with this latest fluid if they were so confident in it.Jan 4, 2022 · They were not willing to admit that this is a widespread problem. I showed them the TSB 18-NA-355 that describes the problem. They said a new TSB was released in 2022, TSB 16-NA-361, where it states that this is normal operation and replacing any transmission components will not resolve the problem. Mar 16, 2021 · Started experiencing the Transmission Shudder. GM refers to it as SERVICE BULLETIN 18-NA-355. Chevrolet Colorado 2017-2019. Condition: may be described as driving over low rumble strips or Highway with rough expansion joints. Cause: may be due to Torque Converter Clutch Shudder. Correction: Should have the appropriate fluid exchange procedure ... GMC TSB 18-NA-355 Make: GMC Number: 18-NA-355 Title: Shake And/Or Shudder During Light Throttle Acceleration Between 25 And 80 Mph (40 And 128 Km/H) At Steady Speed Date: 1/17/2019 Models: 2017-2019Canyon 2018-2019Canyon All Terrain 2017-2019Canyon Denali 2017-2019Canyon SL 2017-2019Canyon SLE 2017-2019Canyon SLT 2015-2018Sierra 1500Rudy's bundled a complete 8L90 Transmission service kit for your GM Truck and SUV. Keep your transmission operating at top notch with all the necessary filters and fluids! Service your transmission with the new updated transmission fluid per GM TSB 18-NA-355. All filters and gaskets are genuine ACDelco parts.If I am reading the 18-NA-355 that you posted for the c-7 corvette right, it looks likes if your corvette was made AFTER Feb. 1st of 2019 you should have the new fluid in it ? Yes, that's correct. Also 18-NA-355 TBS I posted is the latest version dated April 2020 which replaced the August 2019 version that was also posted above. BigTallVandy said: TSB's are simply guidance documents to assist service personnel in quickly diagnosing and repairing previously identified issues. They are not related to a vehicle's warranty. If a problem is addressed by a TSB and the vehicle is still under warranty, it is repaired free of charge to the owner.TSB #18-039-20 Date Announced: APR 21, 2020 NHTSA ID: #10175733. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season Read More » TSB #18-089-19 Date Announced: NOV 01 ...Title: #18-NA-355 - Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed - (Mar 30, 2020) Vehicle: 2016 Chevrolet Silverado - 4WD The document preview is shown on the right. To view the entire document you need to have a subscription. Subscribe Service Bulletin Bulletin No.: 18-NA-355 Date: May, 2019 TECHNICAL Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO). The latest revision of the shudder TSB (July 8 2019 : 18-NA-355 TSB) now states to go ahead and just do the flush if it has not yet been performed. This is good news, and what GM should have done from the beginning with this latest fluid if they were so confident in it.Jan 17, 2019 · GMC TSB 18-NA-355 Make: GMC Number: 18-NA-355 Title: Shake And/Or Shudder During Light Throttle Acceleration Between 25 And 80 Mph (40 And 128 Km/H) At Steady Speed Date: 1/17/2019 Models: 2017-2019Canyon 2018-2019Canyon All Terrain 2017-2019Canyon Denali 2017-2019Canyon SL 2017-2019Canyon SLE 2017-2019Canyon SLT 2015-2018Sierra 1500 Sep 6, 2019 · My car was due for an oil change so I thought I would get the Thunk taken care of. I went in armed with the TSB #18-NA-355 dealing with the triple flush of fluids. However, the Corvette Tech specialist at the dealer said he would perform a complete diagnostic test before considering the TSB. May 20, 2019 · Repeat steps 2 and 3, clean the transmission oil pan and magnet....." (3rd time the pan gets dropped) Version 1 dtd Jan 17, 2019: View attachment TSB # 18-NA-355 Part 1.pdf View attachment TSB # 18-NA-355 Part 2.pdf (this is the one with Corvette specific procedure, pg 25) TSB #18 NA 355 was June 27, 2022 Sponsored by Lubegard General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-speed transmissions. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019.mitch22 Discussion starter · Sep 20, 2020. Cadillac Dealership here in AZ is wanting to do a full transmission service, flush, change the filter and reflush the trans on my 2016 escalade. He said it'd be about 20qts of the new Mobil 1 oil, pan gasket and filter.Here is the tsb Bulletin #18-NA-355. Yes for both 8 speeds with shudder. The complains have declined much since this came out. There have been a few that it did not work for but they may have had ...Apr 21, 2023 · This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019. After implementing several fluid revisions, GM’s latest solution (TSB 18-NA-355) is lengthy, complicated and expensive. It The GM technical service bulletin (TSB) is 18-NA-355 for this procedure effecting 8-speed Colorado and Canyon trucks from SOP {Start Of Production} in 2017, through March 1, 2019 for trucks with a S or T as the 5th digit of the VIN.Join Date: Jun 2013. Location: Hackettstown, NJ. Posts: 209. After TSB 18-NA-355 Was Performed. 2018, 2SS Camaro with K&N cold air intake, flowmaster american thunderaxle back exhaust and AFM range finder. I just had the Transmission flush TSB 18-NA-355 performed today. I swear my engine and exhaust sound noticeably quieter after the flush.Page 4 April, 2020 Bulletin No.: 18-NA-355 5180563 4. Remove the transmission oil cooler pipe assembly from the transmission. 5. Install the DT-52263-1 Adapter Block Assembly (1), reusing the seal from the transmission oil cooler pipe assembly. 6. Tighten the bolt (2) to 22Y (16lbft). 7. Place the hose (3) in the GE-47716-2 GraduatedPage 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below.CAUSE Road test has shudder when the torque converter is applied. Command TCC on and shudder goes away. Checked fluid level and found condition is full and in good condition. Checked bulletins found #18-NA-355 said to flush and drain fluids in the transmission. CORRECTION Flush and drain fluids for transmission shake/shudder repair.18-NA-355 and 19-NA-121 have been updated effective July 9, 2019 to eliminate the diagnostics portion within the TSB's and the labor times have been updated to reflect the removal of the diagnostic procedures. Vehicles presented with suspected shudder within the published build dates should have the prescribed fluid exchange procedure performed.C7 General Discussion - 18-NA-355 Shudder - Does Service Bulletin 18-NA-355 cover all 2017 model year Corvettes built before 2/1/19? Or does it only cover certain VIN’s? (M5U trans) Both my dealer and the Chevy customer assistance phone line say my vehicle is not covered because of my VIN.Rudy's bundled a complete 8L90 Transmission service kit for your GM Truck and SUV. Keep your transmission operating at top notch with all the necessary filters and fluids! Service your transmission with the new updated transmission fluid per GM TSB 18-NA-355. All filters and gaskets are genuine ACDelco parts.For further information and the fluid exchange procedure, refer to GM corporate Technical Service Bulletin (TSB) 18-NA-355, available in Service Information. The Kit includes: • DT-52263-1 Block Assembly (with 10 foot long fluid drain hose and spring clamp) Sep 1, 2020 · #18-NA-355 is the procedure that fixed my shudder issue. It took me three trips to the Dealership, and a test drive by the Service Manager for them to perform the TSB. 2017 Colorado Z71 V6 4WD Crew Cab -Leer bed cap. They were not willing to admit that this is a widespread problem. I showed them the TSB 18-NA-355 that describes the problem. They said a new TSB was released in 2022, TSB 16-NA-361, where it states that this is normal operation and replacing any transmission components will not resolve the problem.Apr 13, 2020 · TSB 18-NA-355 was updated July 2019 negating the need for the picoscope diagnosis (see the bottom section in your link), and dealerships were directed to flush their existing stock. Both versions of 18-NA-355 used the same exact Mobil 1 fluid (or the TSB would have had a different number), which my dealership began using Jan 2019. Norcalace · #17 · May 6, 2022. MrYgrmstr said: My car is at the dealer for the next several days to fix the dreaded A8 shudder and a flaky infotainment screen. Man I hope it all gets resolved. As the title states, fingers crossed 🤞🏻. There is a Service Bulletin that covers your issue. It’s Bulletin # 18-NA-355.Started experiencing the Transmission Shudder. GM refers to it as SERVICE BULLETIN 18-NA-355. Chevrolet Colorado 2017-2019. Condition: may be described as driving over low rumble strips or Highway with rough expansion joints. Cause: may be due to Torque Converter Clutch Shudder. Correction: Should have the appropriate fluid exchange procedure ...Service Bulletin Bulletin No.: 18-NA-355 Date: August, 2019 TECHNICAL Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO).I've read 18-NA-177 and the older 16-NA-175 and now have found that an updated version of 16-NA-175 has this cryptic advice: Important: Do NOT replace the torque converter or transmission assembly for this condition. Engineer reviews have proven that replacing the torque converter does not provide a long-term solution to TCC shudder. It's also possible you will have some warranty left on the 2018. If it was a certified pre-owned, the powertrain warranty covers transmission/TC for 6 years 100k miles, otherwise I think the 2018 was 5 years 60k miles. I would personally get the '18 with zero hesitation. Just make sure you insist on them doing the flush per TSB 18-NA-355.Helpful websites. 18-NA-177 - RevBase - Chevrolet Bulletin RE: Procedure to confirm that shudder in Chevy Colorados and GMC Canyons is transmission related and if confirmed, directive to effect ...If your car is a 2018, it has the A8 and not the A10. The latest transmission fluid (Mobil 1 Synthetic LV ATF HP, part number 19417577, blue stripe on the bottle and not black) that actually fixes the problem came out in Jan 2019 as part of TSB 18-NA-355, so unless your A8 was flushed with this specific fluid, it can develop the shudder. After implementing several fluid revisions, GM’s latest solution (TSB 18-NA-355) is lengthy, complicated and expensive. It requires 20 quarts/19 liters of costly ATF (the average retail, online price for this fluid is $18.10 per quart ) be flushed through the system to replace as much fluid as possible, yet, it still has not corrected the ...Jan 17, 2019 · Chevrolet TSB 18-NA-355 Make: Chevrolet Number: 18-NA-355 Title: Shake And/Or Shudder During Light Throttle Acceleration Between 25 And 80 Mph (40 And 128 Km/H) At Steady Speed Date: 1/17/2019 Models: 2017-2019 Camaro LS; 2016-2019 Camaro LT; 2016-2019 Camaro SS; 2017-2019 Camaro ZL1; 2017-2019 Colorado; 2017-2019 Colorado LT; 2017-2019 ... Hi John. My local GM dealer recently (1/24/19) diagnosed my 2016 Camaro SS with the same code as your Corvette (18-NA-355). I google searched it and found your post. They flushed and changed my transmission oil (13K miles) and the shudder has greatly improved. However, I am noticing some new hesitations as the transmission shifts in lower gears.TSB 18-NA-355. Note: Required tool kit DT-52263 is shipping from Bosch. All DT-52263 tool kits will ship from Bosch no later than February 14, 2019. If you encounter a vehicle with Torque Converter Clutch (TCC) Shudder prior to receiving tool kit DT-52263 please postpone the repair until you receive your tool kit. Performing repairs other Page 4 April, 2020 Bulletin No.: 18-NA-355 5180563 4. Remove the transmission oil cooler pipe assembly from the transmission. 5. Install the DT-52263-1 Adapter Block Assembly (1), reusing the seal from the transmission oil cooler pipe assembly. 6. Tighten the bolt (2) to 22Y (16lbft). 7. Place the hose (3) in the GE-47716-2 GraduatedDrives: 2018 2SS. Join Date: Aug 2017. Location: Western PA. Posts: 133. July Update #18-NA-355. Anyone have a copy or link to the most recent shudder TSB? Looks like no diagnosis required if built before March 2019 based on the July update. Only customer complaint needed for dealers to perform the flush. I think I may have the start of the ... Chevrolet TSB 18-NA-177. Some customers may comment on any of the following conditions: A shake and/or shudder during light throttle acceleration between 25 and 80 mph (40 and 128 km/h) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement.It's also possible you will have some warranty left on the 2018. If it was a certified pre-owned, the powertrain warranty covers transmission/TC for 6 years 100k miles, otherwise I think the 2018 was 5 years 60k miles. I would personally get the '18 with zero hesitation. Just make sure you insist on them doing the flush per TSB 18-NA-355.It's also possible you will have some warranty left on the 2018. If it was a certified pre-owned, the powertrain warranty covers transmission/TC for 6 years 100k miles, otherwise I think the 2018 was 5 years 60k miles. I would personally get the '18 with zero hesitation. Just make sure you insist on them doing the flush per TSB 18-NA-355.Page 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below. Aug 5, 2021 · Noticed the shudder at just under 1200 miles, Dec '18, purchased car new 2/18. Had oil change and 18-na-355 done 2/19 at about 1400 miles. 5575 miles now, still no shudder. Shifts perfectly, quick, crisp. Jun 13, 2019 · Join Date: Jun 2013. Location: Hackettstown, NJ. Posts: 209. After TSB 18-NA-355 Was Performed. 2018, 2SS Camaro with K&N cold air intake, flowmaster american thunderaxle back exhaust and AFM range finder. I just had the Transmission flush TSB 18-NA-355 performed today. I swear my engine and exhaust sound noticeably quieter after the flush. TSB #18-039-20 Date Announced: APR 21, 2020 NHTSA ID: #10175733. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season Read More » TSB #18-089-19 Date Announced: NOV 01 ...Page 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below.In January 2019, GM issued TSB 18-NA-355 entitled, “Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed.”TECHNICAL. Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed. Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO). Mexico and Export Regions should follow Bulletin 19-NA-018. Brand:Page 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below.According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90” eight-speed automatic transmissions, RPO codes M5N, M5T, M5U, and M5X. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows.TSB 18-NA-355. Note: Required tool kit DT-52263 is shipping from Bosch. All DT-52263 tool kits will ship from Bosch no later than February 14, 2019. If you encounter a vehicle with Torque Converter Clutch (TCC) Shudder prior to receiving tool kit DT-52263 please postpone the repair until you receive your tool kit. Performing repairs otherApr 13, 2020 · Has the TSB 18-NA-355 Transmission Fluid Exchange fix your transmission shutter issues. We've linked to so many versions of TSBs it's easy to be looking at one when you think it's the other. I believe the one dated August 2019 is the most recent, with the last revisions in July, unless someone has found one that's even more recent. Page 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below. 18-NA-355 TSB (Technical Service Bulletin) which I think is for the transmission fluid flush, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90 ” eight-speed automatic transmissions, RPO codes M5N, M5T, M5U, and M5X. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows.According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90” eight-speed automatic transmissions, RPO codes M5N, M5T, M5U, and M5X. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows.GM issued a Technical Service Bulletin TSB 18-NA-355, with updates that address the “torque converter clutch (TCC) shudder conditions.” The problem was identified by many customers who reported the transmission shuddering frequently and shifting harshly between first and second gear.Sep 12, 2021 · According to the Technical Service Bulletin (TSB 18-NA-355), flushing factory-used transmission fluid and swapping it for Mobil 1 Synthetic LV ATF HP fluid may improve the situation. If there is no noticeable improvement after transmission fluid flush, the torque converter could be glazed, especially if it was used with this issue for a long time. May 20, 2019 · Repeat steps 2 and 3, clean the transmission oil pan and magnet....." (3rd time the pan gets dropped) Version 1 dtd Jan 17, 2019: View attachment TSB # 18-NA-355 Part 1.pdf View attachment TSB # 18-NA-355 Part 2.pdf (this is the one with Corvette specific procedure, pg 25) TSB #18 NA 355 was Took to Chevy dealership in Dec. of 2019 (@30,000 mi.) to have TSB 18-NA-355 performed. The. Mobil 1 Synthetic LV ATF HP transmission fluid swap was successful until last week when I hit around 52,000 mi. and the same problems began to emerge.. Just took the truck back in for service today.Chevrolet TSB 18-NA-355 Make: Chevrolet Number: 18-NA-355 Title: Shake And/Or Shudder During Light Throttle Acceleration Between 25 And 80 Mph (40 And 128 Km/H) At Steady Speed Date: 1/17/2019 Models: 2017-2019 Camaro LS; 2016-2019 Camaro LT; 2016-2019 Camaro SS; 2017-2019 Camaro ZL1; 2017-2019 Colorado; 2017-2019 Colorado LT; 2017-2019 ...The issue about the TCC shudder that many of us have experienced, and apparently carried over to a variety of GM models with the same trans assembly, seems to pretty accurately described in TSB #18-NA-355 (22 pages). I got the TSB number, because the dealer printed it in my service invoice (N/C, since I am under the powertrain warranty).Service Bulletin Bulletin No.: 18-NA-355 Date: August, 2019 TECHNICAL Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO). Feb 24, 2021 · This video is just a walk through of what you might be dealing with if you feel an unusual shudder.Subject: Shake and/or Shudder During Light Throttle Acce... TSB 18-NA-355. Note: Required tool kit DT-52263 is shipping from Bosch. All DT-52263 tool kits will ship from Bosch no later than February 14, 2019. If you encounter a vehicle with Torque Converter Clutch (TCC) Shudder prior to receiving tool kit DT-52263 please postpone the repair until you receive your tool kit. Performing repairs other18-NA-355 TSB (Technical Service Bulletin) which I think is for the transmission fluid flush, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90 ” eight-speed automatic transmissions, RPO codes M5N, M5T, M5U, and M5X. Affected vehicles include Chevrolet, GMC and Cadillac vehicles, as follows.
Page 2 March, 2019 Bulletin No.: 18-NA-355 Shudder Test Refer to the table below for conditions pertaining to specific applications. In each vehicle, constant throttle input on a smooth grade is desirable. PicoScope Measured Frequency is the approximate vibration frequency where TCC Shudder can be found, discussed in detail below.. Bikini victoria
My car was due for an oil change so I thought I would get the Thunk taken care of. I went in armed with the TSB #18-NA-355 dealing with the triple flush of fluids. However, the Corvette Tech specialist at the dealer said he would perform a complete diagnostic test before considering the TSB.Sep 1, 2020 · #18-NA-355 is the procedure that fixed my shudder issue. It took me three trips to the Dealership, and a test drive by the Service Manager for them to perform the TSB. 2017 Colorado Z71 V6 4WD Crew Cab -Leer bed cap. For further information and the fluid exchange procedure, refer to GM corporate Technical Service Bulletin (TSB) 18-NA-355, available in Service Information. The Kit includes: • DT-52263-1 Block Assembly (with 10 foot long fluid drain hose and spring clamp)Jan 17, 2023 · For example, the GM service bulletin 18-NA-355 for the 8-speed 8L90 transmission recommends flushing the transmission to fix 'Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH'. If you have the 6-speed transmission check if the TSB 21-NA-199 has been done to your truck, as it helps to keep the transmission cooler. Oct 16, 2022 · Cost to replace the torque converter in a Camaro SS with the 8-speed automatic transmission. It was replaced due to the shudder as per TSB 18-NA-355💠My Inst... Illinois. Oct 25, 2021. #16. AngryScientist said: 18 Chevy Colorado V6/8-sp trans. 29000 miles. Just developed the dreaded, well known shudder issue on light acceleration. There is a TSB out there to flush the trans with new Mobil 1 Synthetic LV ATF HP fluid; which allegedly corrects the issue in the torque converter clutch area if the wear is ...Apr 13, 2020 · Has the TSB 18-NA-355 Transmission Fluid Exchange fix your transmission shutter issues. We've linked to so many versions of TSBs it's easy to be looking at one when you think it's the other. I believe the one dated August 2019 is the most recent, with the last revisions in July, unless someone has found one that's even more recent. mitch22 Discussion starter · Sep 20, 2020. Cadillac Dealership here in AZ is wanting to do a full transmission service, flush, change the filter and reflush the trans on my 2016 escalade. He said it'd be about 20qts of the new Mobil 1 oil, pan gasket and filter.Assuming the A8 (not the A10 because your sig says you have a 2016 Camaro), it did receive a service bulletin about the first shift after a cold start, see below. Also make sure you have the latest transmission fluid that introduced in Jan 2019 to prevent transmission shudder, the service bulletin for that issue is 18-NA-355, flushing the A8 ...Apr 13, 2020 · Has the TSB 18-NA-355 Transmission Fluid Exchange fix your transmission shutter issues. Got the transmission service done last fall by the dealership at approx 71,000 km's. Now, about 7000 km's (approx 4500 miles) later, my 2017 Colorado still shifts very smooth. The big test will be towing, assuming it's even worth getting the trailer out of ... It's also possible you will have some warranty left on the 2018. If it was a certified pre-owned, the powertrain warranty covers transmission/TC for 6 years 100k miles, otherwise I think the 2018 was 5 years 60k miles. I would personally get the '18 with zero hesitation. Just make sure you insist on them doing the flush per TSB 18-NA-355.If you do not get it done by then, you will have to pay for the repair yourself. Bottom Line: Free if you get the work done before the expiration date. Recalls. When cars come in for service, shops keep track of what the problems are and what customers are saying about their vehicles. When enough safety- or emissions-related problems have been ....
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