Both sides of the 4WD drive shaft seals were replaced. The passenger side involves removing the electric accuator in order to pull axle tube, seal, etc. Something is wrong with the accuator engagement. Dash switch works fine; hear a click and light is steady illumination (not flashing). The...
Had the shaft seals fixed, but now it seems like the 4WD does not engage (press the 4WD dash button, hear a click and the light is on, but traction feels same as 2WD). Are there any obvious reasons why this could happen? Mechanic forgot to plug in electronic controls? Fuse?
Had the coolant system pressure tested. garage said water pump is leaking, and recommended replacement. I'll probably replace H2O pump soon. Good sources?
Trying to figure out this leak on a 02 yukon with 5.3l engine. draining down between crank pulley and PS pump. PS pump? Cylinder head? Intake manifold? thx.
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