4.0L equipped vehicles may experience temperature gauge fluctuation that may be accompnied with a thumping...
Ford technical service bulletin BC1019997230 for 1991-1997 Ford Explorer, 1991-1997 Ford Ranger and 1991-1997 Ford Aerostar.
- Bulletin number
- BC1019997230
- Component
- Engine and engine cooling: cooling system: hoses/lines/piping/fittings
- Summary
- 4.0l equipped vehicles may experience temperature gauge fluctuation that may be accompnied with a thumping noise or feel in the coolant hoses with the engine at normal operating temperature. Jd
Owners of these vehicles have filed 817 complaints in the engine category.
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