# Service bulletin 030730004B

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: 10004743
- Published by NHTSA: 2004\-01\-05
- Manufacturer's number: 030730004B
- Manufacturer's date: 2005\-09\-01
- Replaces: 030730004C
- NHTSA component: POWER TRAIN

## NHTSA's summary

REVISION OF AISIN TRANSMISSION QUALITY CENTER \(TQC\) PROGRAM BEGINNING OCTOBER 1, 2003. \*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

## Vehicles listed

- 2003 CHEVROLET W\-SERIES
- 2004 to 2006 CHEVROLET W3500
- 2004 to 2006 CHEVROLET W4500
- 2004 to 2006 CHEVROLET W5500
- 2003 GMC W\-SERIES
- 2004 to 2006 GMC W3500
- 2004 to 2006 GMC W4500
- 2004 to 2006 GMC W5500
- 2003 ISUZU NPR
- 2005 ISUZU NPR
- 2006 ISUZU NPR
- 2003 ISUZU NQR
- 2005 to 2006 ISUZU NQR

## Other bulletins for the same vehicles and component

- [SB\-09\-K\-001](/bulletins/10032488.md), 2010-04-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. ISUZU \(CHEVROLET/GMC\): THE TRANSMISSION SLIPS, WILL NOT SHIFT, OR MAY OVERHEAT. TECHNICIANS MAY FIND DTCS P0894 OR P0218 STORED EITHER CURRENT OR IN HISTORY. THESE CONDITIONS MAY BE CAUSED BY FRICTION MATERIAL DEBONDING FROM THE TORQUE CONVERTER CLUTCH. HARSH OR DELAYED SHIFTS, NO DRIVE, NO REVERSE, SLIPS AND THE SES/MIL MAY BE ILLUMINATED. \*PE UPDATED 9/15/10. \*PE
- [050730030](/bulletins/10018676.md), 2006-01-10, Service bulletin: POWER TRAIN. USE OF SHRINK TUBING AROUND TRANSMISSION FLUID LEVEL INDICATOR \(DIPSTICK\) TUBE JOINT TO AVOID WATER INTRUSION. 2006 AND PRIOR CHEVROLET AND GMC MEDIUM DUTY TILT CAB MODELS AS WELL AS 2006 AND PRIOR ISUZU COMMERCIAL MODELS. \*NM
- [05555](/bulletins/10016501.md), 2005-09-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. PROGRAM BULLETIN \(CUSTOMER SATISFACTION PROGRAM\)\-AISIN ATF LEVEL GAUGE INCORRECT LENGTH. \*SC
- [20050787](/bulletins/10016500.md), 2005-09-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. ADMINISTRATIVE MESSAGE\-VEHICLES EQUIPPED WITH A 4HK1T DIESEL ENGINE AND AISIN AUTOMATIC TRANSMISSION HAVE AN AUTOMATIC TRANSMISSION FLUID \(ATF\) LEVEL GAUGE WITH AN INCORRECT LENGTH. \*SC
- [040730008](/bulletins/10008676.md), 2004-08-14, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. AISIN AUTOMATIC TRANSMISSION FLUID SERVICE REMINDER. 2005 ISUZU NPR/NQR INCLUDED. \*TT
- [030730060](/bulletins/10005565.md), 2004-03-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION OIL COOLER FLUSHING ON CERTAIN MEDIUM DUTY TILT CAB MODELS AND COMMERCIAL MODELS INCLUDING MODEL YEAR 2004. \*TT
- [030730050](/bulletins/10004740.md), 2004-01-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. APPROVED AISIN AUTOMATIC TRANSMISSION ON\-VEHICLE REPAIRS. 2004 MODELS INCLUDED. \*TT
- [030730035](/bulletins/10004380.md), 2003-12-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. REPLACEMENT OF OUTPUT FLANGE NUT WHEN SERVICING TRANSMISSION. ALSO INCLUDES 2004 MODELS. \*TT
- [020730025B](/bulletins/10002940.md), 2003-10-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH SHIFTING, DELAYED UPSHIFTS WITH POSSIBLE CHECK TRANS LAMP ILLUMINATED, POSSIBLE DIAGNOSTIC TROUBLE CODE \(DTC\) 21 SET. TO INCLUDE 2004 MODELS. \*TT
- [030730015](/bulletins/10002444.md), 2003-08-29, Service bulletin: POWER TRAIN. RELEASE OF NEW TOOLS FOR SERVICE: J 37228 \- OIL PAN SEAL CUTTER, J 41736 \- INSTALLER \(REAR OUTPUT SHAFT SEAL\) AND DT 46717 \- REAR OUTPUT SHAFT SEAL REMOVER. \*TT

JSON: [/v1/bulletins/10004743](/v1/bulletins/10004743)

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