Question about 2003 Mercury Mountaineer
There is a noticeably loud whinning when accelerating starting from about 30mph through 70-80mph. The coise stops when you let off the accelerator. It is hard to tell but sounds like it is comming from the rear axle.
Sound like transmission oil pump noise if you hear noise when vechicle accelerating moving.
Posted on Jul 29, 2013
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Posted on Jan 02, 2017
Sounds like a vacuume leak, use some carb cleaner in a spray can and gently spray the engine. When you find the leak the engine will stumble, check in that area for the leak.
Posted on Apr 26, 2010
Sounds to me like the differential. Check and add fluid, the driveline t's off at the rear axle, and there is a nut that your socket wrench should fit into (without a socket). Stick your finger in there and the fluid level should be to hole level.
Posted on Jul 29, 2010
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