Gmc Power Train Manual Transmission Column Shift Assembly

my system is leaking really bad on my 2001 gmc 2500 was told it is a power steering hydraulic booster can not find one anywhere
is this a re call

I have a 2001 Chey Yukon XL 173,000 miles and new transmission at 170,000. my question is this, while traviling at 65 to 70 mile/hr on the highway and the vehical encounters a hill the power from the transmission does not downshift from overdrive

I have a 2002 gmc envoy and Im constantly having problems with the accelerator pedal sensor. Seems like every 3 months im having to replace this part. Is there something else that can be triggering this to come on. I get the engine power light

I own a 2001 GMC 2500HD Pickup truck with a 6.0 engine. 99,000K miles. I lost my power steering and brake function at the same time. Manuel turning of the truck was almost impossible with a snow plow attached and dangerous as the vehicle took a