# Service bulletin 030730056 A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned. - Type: Service bulletin - NHTSA id: 10005566 - Published by NHTSA: 2004\-03\-04 - Manufacturer's number: 030730056 - Manufacturer's date: 2003\-11\-01 - NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION ## NHTSA's summary 4L60\-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. \*TT ## The document No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number. ## Components Transmission and driveline, Automatic transmission ## Vehicles listed - 2002 to 2004 CADILLAC ESCALADE - 1997 to 2004 CHEVROLET ASTRO - 2002 to 2004 CHEVROLET AVALANCHE - 1997 to 2004 CHEVROLET BLAZER - 1997 to 2002 CHEVROLET CAMARO - 2004 CHEVROLET COLORADO - 1997 to 2004 CHEVROLET CORVETTE - 1997 to 2004 CHEVROLET EXPRESS - 1997 to 2004 CHEVROLET S10 - 1999 to 2004 CHEVROLET SILVERADO - 2004 CHEVROLET SSR - 1997 to 2004 CHEVROLET SUBURBAN - 2000 to 2004 CHEVROLET TAHOE - 2002 to 2004 CHEVROLET TRAILBLAZER - 2004 GMC CANYON - 1999 to 2003 GMC DENALI - 1997 to 2001 GMC ENVOY - 2002 to 2004 GMC ENVOY - 1997 to 2001 GMC JIMMY - 1997 to 2004 GMC SAFARI - 1997 to 2004 GMC SAVANA - 1997 to 2004 GMC SIERRA - 1997 to 2004 GMC SONOMA - 1997 to 1999 GMC SUBURBAN - 2000 to 2004 GMC YUKON - 2003 to 2004 HUMMER H2 - 1997 to 2004 OLDSMOBILE BRAVADA - 1997 to 2002 PONTIAC FIREBIRD ## Recalls for the same vehicles and component - [04V320000](/recalls/nhtsa/04V320000.md), 2004-07-06: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT - [03V075000](/recalls/nhtsa/03V075000.md), 2003-03-06: POWER TRAIN:AUTOMATIC TRANSMISSION ## Other bulletins for the same vehicles and component - [06\-00\-89\-031D](/bulletins/10201098.md), 2021-09-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification - [06\-00\-89\-031D](/bulletins/10190503.md), 2021-04-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification - [PIP3330D](/bulletins/10160997.md), 2019-06-10, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel injectors and addressing fuel quality. - [PIP3366C](/bulletins/10143757.md), 2018-08-20, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low \(4LO\) range. Dealers technician\&\#39;s are advised this condition should be deemed a normal characteristic of 4WD low operation. - [01\-00\-89\-010J](/bulletins/10138197.md), 2018-05-21, Service bulletin: ENGINE; SERVICE BRAKES; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides a revision for 01\-00\-89\-010I to add the 2013 model year. - [PIP5346](/bulletins/10115081.md), 2017-08-15, Service bulletin: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance. - [PIP3161H](/bulletins/10114778.md), 2017-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicle with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission. - [02\-07\-30\-052J](/bulletins/10113664.md), 2017-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J\-45096 TransFlow®. - [PIP3161F](/bulletins/10113108.md), 2017-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission. - [PIP3497B](/bulletins/10112845.md), 2017-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician about vehicles that have no forward or reverse. Technician will need to check for metal debris in torque converter clutch valve. 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