# Service bulletin 091993

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: 39528
- Published by NHTSA: 1995\-11\-01
- Manufacturer's number: 091993
- Manufacturer's date: 1993\-11\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

NEW COATED PISTONS. \*TW

## 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

Engine

## Vehicles listed

- 1994 JEEP CHEROKEE
- 1994 JEEP WAGONEER
- 1994 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [R2118796A](/bulletins/10191460.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
- [070397](/bulletins/6088786.md), 2000-01-07, Service bulletin: ENGINE AND ENGINE COOLING. CONCERNS WITH ENGINE COOLANT USAGE. \*NLM
- [110798](/bulletins/603108.md), 1999-02-02, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE/BREAK. \*AK
- [110798](/bulletins/602327.md), 1998-10-26, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. THE OUTER EXHAUST MANIFOLD STUDS MAY FATIGUE AND BREAK. \*YC
- [070397](/bulletins/52963.md), 1997-11-13, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. VARIOUS CAR OWNER'S HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL. \*YC

JSON: [/v1/bulletins/39528](/v1/bulletins/39528)

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