Some vehicles may exhibit an exhaust moan / roar heard on slight acceleration and at speeds near 42 mph...
Mercury technical service bulletin 6506 for 1998-1999 Mercury Grand Marquis and 1998-1999 Ford Crown Victoria.
- Bulletin number
- 6506
- Component
- Engine and engine cooling: exhaust system
- Summary
- Some vehicles may exhibit an exhaust moan / roar heard on slight acceleration and at speeds near 42 MPH for single exhaust and near 62 MPH on dual exhaust cars. Tt
Owners of these vehicles have filed 119 complaints in the engine category.
Vehicles covered
- Mercury Grand Marquis 1998-1999 19981999
- Ford Crown Victoria 1998-1999 19981999
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