1991 Ford Aerostar engine and engine cooling problems

13 owner complaints filed with NHTSA name the engine and engine cooling on the 1991 Ford Aerostar — 6% of all complaints for this model year.

Engine and Engine Cooling complaints

share of all complaints

—

median reported incident mileage

0 / 6

crash / fire reports

What owners report

“1) replaced both head gaskets and bolts! 2) replaced extension housing gasket 3) replaced both valve cover gaskets, oil pan gasket, oil filter adapter o-rings”
filed Apr 22, 2004
“While traveling at any speed or stopping at light vehicle would stall without any indication. Please provode further information. *ak”
filed Nov 21, 2001

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Some vehicles equipped with an automatic transmission and a 4.0l ohv engine may exhibit a noise / vibration, no drive, unusual noise during cranking or a no crank condition. *tt
02142 · Service Bulletin/Repair Instructions · issued Jul 22, 2002
Some vehicles equipped with the 4.0l ohv engine may exhibit an engine noise which may be perceived by the customer as a piston / onnecting rod bearing knock. *tt
01197 · Service Bulletin/Repair Instructions · issued Oct 1, 2001
On some vehicles, engine oil may continue to leak from the engine oil pan gasket area after an engine oil pan gasket repair has been performed. *tt
01124 · Service Bulletin/Repair Instructions · issued Jun 25, 2001
Service tip information on revised oil pan gasket replacement procedure. *tt
99183 · Service Bulletin/Repair Instructions · issued Sep 6, 1999