Rear axle locking on 2002 Merc Mountaineer AWD

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swmachinery@gmail.com - 27 Jan 2007 17:44 GMT

On My 2002 Mountaineer AWD: During moderately sharp turns in parking
lots the inside rear tire spins and when backing up and turning sharp
it feels as if the brakes are on. I have had all the bearings in the
rear end changed (by an independent shop) and the problem is is still
the same.
They have tryed the new additive from Ford to no help. It is like the
limited slip is not slipping.

PKD

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David M - 27 Jan 2007 18:13 GMT

On Sat, 27 Jan 2007 09:44:55 -0800, swmachinery rearranged some electrons
to form:

> On My 2002 Mountaineer AWD: During moderately sharp turns in parking
> lots the inside rear tire spins and when backing up and turning sharp
[quoted text clipped - 5 lines]
>
> PKD

It sounds like the clutch packs are locked.

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Marlin Singer - 27 Jan 2007 19:50 GMT

> On My 2002 Mountaineer AWD: During moderately sharp turns in parking
> lots the inside rear tire spins and when backing up and turning sharp
[quoted text clipped - 5 lines]
>
> PKD

I am going to assume it has rear disc brakes. If so pull the rotors and
check the emergency brake. One of the pads

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Mike H - 27 Jan 2007 21:11 GMT

On Jan 27, 11:44 am, swmachin...@gmail.com wrote:

> On My 2002 Mountaineer AWD: During moderately sharp turns in parking
> lots the inside rear tire spins and when backing up and turning sharp
[quoted text clipped - 3 lines]
> They have tryed the new additive from Ford to no help. It is like the
> limited slip is not slipping.

Find a new shop. Rear differentials are too simple for them to be
struggling figuring this out. Best bet if you want to go to an
independant shop is to find a driveline shop to take a look. Look for
a place that does work on trucks and clutch, driveshaft. A good 4x4
shop. Most likely either the clutch pack is preloaded too much, or
something has come apart in there. If they replaced all the bearings,
the should have noticed that, so it makes me wonder if they did change
any bearings.

As someone else metioned, if you feel that the shop you brought it to
did a good job and is likely to have done their job right, the other
item that could cause this is a brake dragging. Check the rear brakes.

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