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NHTSA ID Number: 10137883
Manufacturer Communication Number: PI1201A
Summary
This preliminary bulletin provides a procedure to replace the exhaust systems with a noisy PEV to correct a cutomers concern of the exhaust rattle, buzz, or pop.
2 Affected Products
Vehicles
MAKE | MODEL | YEAR |
CHEVROLET | SILVERADO 1500 | 2014 |
GMC | SIERRA 1500 | 2014 |
Parts
Description | Usage | Part Number |
MUFFLER, EXH (W/EXH PIPE) | CK155 (43) 4.3 (LV3), 5.3-C (L83), CK157 (53) 4.3 (LV3) , 5.3-C (L83) | 20757703 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (03) 4.3 (LV3), 5.3-C (L83), 6–SPD AUTO TRANS (MYC) | 20757704 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (43) 4.3 (LV3), 5.3-C (L83) | 20757702 |
MUFFLER, EXH (W/EXH PIPE) | CK159 (03) 4.3 (LV3), 5.3-C (L83) | 20757701 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (43) 6.2 (L86) | 23199937 |
MUFFLER, EXH (W/EXH PIPE) | CK155 (43) 6.2 (L86), CK157 (53) 6.2 (L86) | 23440153 |
SEOCONTENT-START
Bulletin No.: PI1201A
Date: April, 2014
Subject: | Exhaust Rattle, Buzz, Pop or Whistle |
Models: | 2014 Chevrolet Silverado 1500 |
2014 GMC Sierra 1500 | |
Equipped with 4.3L, 5.3L or 6.2L Engine (RPOs LV3, L83, L86) | |
Built Prior to December 8, 2013 or Muffler Julian Date of 352 2 (See Below) |
This PI has been revised to add the 6.2L Engine. Please discard PI1201.
Condition/Concern #1
Some customers may comment on a rattle, buzz and/or pop (oil canning) noise heard coming from the exhaust system under different conditions.
Recommendation/Instructions #1
The correction of the muffler pop or oil canning noise will require the replacement of the cold end or back half of the exhaust system.
Note: The exhaust system rattle can also be diagnosed by tapping on the bottom of the muffler.
Condition/Concern #2
Some customers may comment on a whistle type noise that can be heard coming from the muffler area.
Recommendation/Instructions #2
- Temporarily lock the Passive Exhaust Valve (PEV) in the open position, located behind the muffler, as shown in the illustration above.
- Rotate the Passive Exhaust Valve (PEV) counterclockwise as shown in the illustration above.
- For testing purposes only, obtain a 1/4″ x 20 x 2” steel bolt, nut, lock washer and two large standard 1/4″ x 1” outside diameter washers (body washer), and install the bolt as shown in the illustration above.
- If the condition is reduced or changes greatly in severity, replace the exhaust system.
Condition/Concern #3
Some customers may comment on a vibration in the seat or steering wheel felt when the truck engages V4 mode (Active Fuel Management).
Recommendation/Instructions #3
- Verify the condition.
- Review exhaust system for Ground Outs at the mounts and repair as necessary.
- For testing purposes only, obtain a 1/4″ x 20 x 2” steel bolt, nut, lock washer, and two large standard 1/4″ x 1” outside diameter washers (body washer), and install the bolt as shown in the illustration above.
- If the condition is reduced or changes greatly in severity, replace the exhaust system.
Parts Information
Description | Usage | Part Number |
MUFFLER, EXH (W/EXH PIPE) | CK155 (43) 4.3 (LV3), 5.3-C (L83), CK157 (53) 4.3 (LV3) , 5.3-C (L83) | 20757703 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (03) 4.3 (LV3), 5.3-C (L83), 6–SPD AUTO TRANS (MYC) | 20757704 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (43) 4.3 (LV3), 5.3-C (L83) | 20757702 |
MUFFLER, EXH (W/EXH PIPE) | CK159 (03) 4.3 (LV3), 5.3-C (L83) | 20757701 |
MUFFLER, EXH (W/EXH PIPE) | CK157 (43) 6.2 (L86) | 23199937 |
MUFFLER, EXH (W/EXH PIPE) | CK155 (43) 6.2 (L86), CK157 (53) 6.2 (L86) | 23440153 |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
4051980 | Exhaust Muffler Replacement | Use Published Labor Operation Time |
SEOCONTENT-END
Bulletin No.: PI1201A
Date: April, 2014
https://www.nhtsa.gov/recalls?nhtsaId=10137883
https://static.nhtsa.gov/odi/tsbs/2014/MC-10137883-9999.pdf
To View or Download this Document Click Here
Bulletin No.: PI1201A
Date: April, 2014
https://www.nhtsa.gov/recalls?nhtsaId=10070919
https://static.nhtsa.gov/odi/tsbs/2014/SB-10070919-9133.pdf
To View or Download this Document Click Here
Bulletin No.: PI1201
Date: March, 2014
https://www.nhtsa.gov/recalls?nhtsaId=10070918
https://static.nhtsa.gov/odi/tsbs/2014/SB-10070918-9133.pdf
To View or Download this Document Click Here
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- Dual Cat Back Design with Rear Exit.
- Corrosion Resistant 409 Stainless Steel | 16 Gauge Tubing | 304 Stainless Black Muffler and Clamps.
- Dual Wall Stainless Steel 304 Black Tips | Can Retain your OEM Dual Tips.
- Installs into OEM Hangers | No Welding | Easy at Home Installation.
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- Dual Conversion Exhaust Kit: Upgrade your 1989-2002 Chevy/GMC C and K pick-up trucks 1500/2500 with this dual conversion exhaust kit for enhanced performance and style.
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- This Exhaust Manifold Repair Clamp Kit is used to repair Driver's Side Rear and Passenger Side Front. Compatible with 1999-Current 4.8 5.3 6.0 6.2L V8 GM Trucks, Sierra, Silverado, G-Series Vans, Pontiac G8, Envoy V8, Hummer, GM SUVs and more.
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- The Exhaust Manifold Bolt Repair Kit Compatible with L20, L31, L33, L59, L76, L77, L83, L86, L8T, L92, L94, L96, L98, L99, L9H, LC9, LFA, LH6, LH8, LM4, LM7, LMG, LQ4, LQ9, LR4, LS1, LS2, LS3, LS4, LS6, LS7, LS9, LSA, LSX376, LSX454, LSX454R, LT1, LT2, LT4, LT5, LY2, LY5, LY6, LZ1.(Fits these GM Vehicles: Silverado, Sierra, Yukon, Denali, Escalade, Hummer )
- 【Vehicle Fitment】Stainless Steel Exhaust Manifold Fit for Stainless Steel Exhaust Manifold Fits for 1992-1994 Chevrolet Blazer, Replacement for 1988-1995 Chevrolet C1500/ C2500/ C3500/ K1500/ K2500/ K3500, for 92-95 Chevrolet C1500/ C2500/ K1500/ K2500 Suburban,for 1988 Chevrolet R30/ V30, for 1989 Chevrolet R3500/ V3500,for 1995 Chevrolet Tahoe,for 1988-1995 GMC C1500/ C3500/ K1500/ K2500/ K3500, for 1988-1997 GMC C2500, for 1992-1995 GMC C1500/ C2500/ K1500/ K2500 Suburban, for 1988-1989 GMC R3500/ V3500. (Please select a suitable model before purchasing).
- 【Quality materials】Exhaust Headers made from high-strength steel, heavy duty tubes and collectors, High-quality 304 stainless steel with shock absorption, noise reduction and convenient installation for superior stability.
- 【Production Process】Racing Exhaust Manifold Kits All joints TIG welding process for great resistance against cracking and wearing; surface polishing treatment, and not easy to deformation, with good corrosion resistance and sealing for extra resistance against rusting, exhaust silencing system long service life, high safety and promote the maintenance of the interior of the car.
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- 【Great Service】This Exhaust Manifold with Gasket Kit Replacement for 1988-1997 Chevy/GMC C/K1500 2500 5.0L/5.7L V8 Pickup Engine, Easy to Install - precisely positioned to ensure the precision of products and suitable for loading, If you have any problems during use, please feel free to contact us, we will give you a reply within 24 hours to provide you good shopping experience.
- 【Function】The Exhaust Rubber Hanger is Essential for Hanging the Exhaust Pipe From the Chassis,And Replacing the New Hanger to Fix the Exhaust Pipe can Reduce Vibration,Thus Solving the Problem of the Exhaust System Rattling. Our Exhaust Rubber Hangers Have a Built-In Iron Frame for Durability and Wear resistance.
- 【Replaces#】15092802, 15740212, 25956663.Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying!
- 【Compatible】Fit on Selected Chevry GMC Cadillac Buick Hummer Pontiac And More Vehicles.
- 【Premium Quality】Tested & Certified to Meet or Exceed OEM Quality Standards.All Products are 100% Tested Before Leaving the Factory.Made of High Quality Material.
- 【Warranty】The Exhaust Muffler Hanger come with 12 Month Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence.
- Made of high quality T-304 stainless steel with flex.Material:Stainless Steel
- TIG welded CNC machine flange for resistance against pressure and corrosion
- Flanged to bolt to factory manifold
- Slips over factory exhaust pipe to be clamped or welded to repair broken flex section
- 2. 25"diameter 3-bolt inlet to 2. 25" factory sized pipe outlet
- COMPATIBILITY – Fits 1992-1992 Chevrolet Blazer; 1993-1993 Chevrolet Blazer; 1994-1994 Chevrolet Blazer; 1988-1988 Chevrolet C1500; 1989-1989 Chevrolet C1500; 1990-1990 Chevrolet C1500; 1991-1991 Chevrolet C1500; 1992-1992 Chevrolet C1500; 1993-1993 Chevr
- GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
- INHIBITS CORROSION -- Durable aluminized-steel construction to inhibit corrosion and promote performance
- EASY TO INSTALL -- Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
- OE-STYLE PERFORMANCE -- Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
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