# Service bulletin 00070

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: 617620
- Published by NHTSA: 2001\-03\-19
- Manufacturer's number: 00070
- Manufacturer's date: 2000\-10\-31
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

## NHTSA's summary

GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN MEDIUM DUTY VEHICLES. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH TRANSMISSION FLUID MAY LEAK FROM A HEAT DEGRADED TRANSMISSION FLUID COOLER HOSE ONTO THE EXHAUST SYSTEM ON THE PASSENGER'S SIDE OF THE VEHICLE. \*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

- 1999 to 2000 CHEVROLET B7
- 1999 to 2000 CHEVROLET C6500
- 1999 to 2000 CHEVROLET C7500
- 1999 to 2000 GMC B7
- 1999 to 2000 GMC C6500
- 1999 to 2000 GMC C7500

## Recalls for the same vehicles and component

- [00V236000](/recalls/nhtsa/00V236000.md), 2000-08-23: POWER TRAIN:AUTOMATIC TRANSMISSION
- [99V320000](/recalls/nhtsa/99V320000.md), 1999-11-15: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [00070](/bulletins/6092584.md), 2000-12-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SUBJECT REGARDING TRANSMISSION OIL COOLER LINE DEGRADATION. \*TT

JSON: [/v1/bulletins/617620](/v1/bulletins/617620)

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