FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Overrev Damage in Vehicles with Auto. Trans.

05-90041 Engine Overrev Damage (Numerous Exhaust Engine 102, 103 4/90
Valves Have Contacted Piston Crown) in
Vehicles with Automatic Transmission

Note:
If a number of exhaust valves have contacted the piston crown, i.e. the engine was overrevved, then the total height engine of the torque converter must be measured when repairing or replacing the engine.

The total thickness end to end is approx. 137.0 mm. If this dimension is 137.5 mm, then the torque converter and the radial seal ring for the primary pump must be replaced.