Chevrolet Equinox Service Manual: Bushing and Mating Shaft Inspection Automatic Transmission Unit

Note:Proper bushing and corresponding mating shaft inspectionshould be performed before replacing the bushing, shaft, and insome cases, the component which houses the bushing. Thoroughlyclean and dry the bushing and shaft surfaces before inspecting fordamage.

Any of the following bushing conditions require replacementof the bushing and/or housing:

Discoloration due to heat distressMisalignment or displacement of bushing as a result ofspinning in housingMedium to heavy scoring that can be easily detected withfingernail. Light scoring is a normal condition.Debris embedded into the bushing lining materialObvious damage, including excessive and uneven wearExcessive polishing. Minor polishing of the bushing is anindication of normal wear and does not require replacement.

Any of the following conditions require replacement of thebushing's mating shaft:

Discoloration due to heat distressRough surface finish that can be easily detected withfingerObvious shaft abnormalities, including warping or unevensurfacesObvious damage or cracking