Question about 2007 Chevrolet Silverado 1500 2WD

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Automatic transmission/engine noise

Warmed engine as normal, eased onto roadway, at first stop, trans put into park & starts making noise (Bad Noise/ sounds like failing bearing) Noise is (Whirring Intermitently yet consistent with RPM. Each time trans is put in either reverse or drive noise stops at once but trans slips a little before normal engagement. No further driving after returning home with about 2 miles total travel. No progression of noise or drive engagement during return. Possible Torque Converter?? I don't know & hope you do because my nephrew lives for his truck ** Note: recently rear differential failure (replaced ring/pinion/spiders, shafts/everything except axles) ( mechanic blames damage on rear end alignment after truck lowered 3 to 4 inches. Truck is cared for but not babied, however, have experience with several other trucks with same lowering kit w/o any differential failure but have read about possibility of damage because of torque twist.

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Damage is possible if driveshaft does not have room for movement and slams in transmission. sounds like your pump is going bad

Posted on Oct 21, 2008

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