Having problems with your 1999 Mercury Cougar ?
What does it mean when the engine is knocking?
How much does it typically cost to replace the engine on a 1999 mercury cougar, 5spd?
"Knocking" can be a number of things bearings, wrist pins, etc... Prices vary depending on shops' labor rate and parts supplier. Shop around and I'm sure each shop is going to want to see/hear the problem. Who knows, it might not need a new engine.
Repair Help & Product Troubleshooting for 1999 Mercury Cougar
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