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94 940T NOx fail 900

posted by  spook on  Sun Feb 24 19:31 CST 2013
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last visit: Fri Oct 24 08:06 CST 2014
[RELATED]

Dear rjk2,

Hope you're well. When motor mounts are new, there's at least 3/8" (10 mm) space between the underside of the oil pan, and the cross-members. When that gap narrows to 1/8", it is time to replace the mounts. If the engine rests on the cross-member, there surely will be more noise in the cabin.

If the in-tank pre-pump has failed, you'll also get noise from the main pump, which strains to deliver enough fuel, especially under strong acceleration.

Hope this helps.

Yours faithfully,

Spook






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