Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1975 Buick Skyhawk Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Compressor Reassembly
- Slide piston assembly into first stage (large diameter) housing, install actuating arm and attach to first stage housing with arm pivot screw (tighten to 12 INCH lbs.). Connect arm tension spring to swivel arm, then rotate piston in housing to align elongated hole in diaphragm with vent port in housing.
- Install through bolts holding first and second stage housings together (housings will align only one way), position nuts in counterbores of second stage housing, and tighten to 28 INCH lbs. Install "O" ring on second stage housing, clean and dry inside of reservoir, then install reservoir on second stage housing and tighten nuts to 28 INCH lbs. Tighten reservoir retaining through bolts to 28 INCH lbs. (bolt heads should be positioned against reservoir and do not install through bolt which holds cover).
- Install "O" ring on regulator, install regulator on housing and tighten screws to 35 INCH lbs. Service valve should be on same side as first stage housing. Install cover and gasket, tightening retaining screw to 35 INCH lbs. Head of through bolt must be positioned against reservoir. Tighten through bolt to 28 INCH lbs. Install adapters and flexible mounts, test compressor output and install on car.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.