Finally got around to doing the supercharger coupler and oil change. I'd been dreading it as the last time I went to do the job, the four 6mm Allen head bolts holding the s/c to the manifold wanted to strip. This time, I gently tapped on my extension to set the Allen socket into the bolt better and all four came loose, so proceeded forward as such:
Removed the two 10mm bolts holding the 'Supercharged" plastic plate over the fuel rail.
Removed the s/c pulley belt
Unplugged the sensor by the s/c snout
Unplugged the brake booster vacuum hose
Removed the intake tube with a 7mm socket
Removed the throttle body with four 10mm bolts
Pulley the s/c out of the bay and onto a table to work.
From here was the actual servicing of the s/c and replacing the coupler. You could do this on the vehicle but the oil coming out of the s/c snout smells like a mixture of wet dogs and rotten eggs which you could smell as soon as opening the 3/16 inch Allen filler port plug. So, to the table for me so I could keep the oil out of my garage and brake clean everything thoroughly. There were about ten to twelve 10mm bolts to remove from the snout and gently tapped the snout off the main s/c body. Once I did this and the snout came loose the old coupler just fell out. To service this part I did follow ZZP's supercharger coupler video a bit. Cleaned off the old GM gasket material and brake cleaned the whole unit thoroughly. To install the new coupler I liberally applied the new s/c oil into the three posts on both the rotor gear and the snout gear along with in the holes of the new coupler. I also used the Permatex water pump and thermostat gasket material that came with the ZZP servicing kit and torqued the bolts to 10 ft-lbs. and then did a 18 ft-lbs pass. To reinstall everything I did the opposite of removal except for:
Torqued the s/c to the manifold: snug, 10 ft-lbs pass and then a 18 ft-lbs pass
Torqued the four throttle body 10mm bolts to 10 ft-lbs. The torque should be 89 in-lbs (7.5 ft-lbs) but I do not have one of those torque wrenches. That's the lowest my torque wrench will go.
Tomorrow I can pour in the new oil since the gasket material needs 24-hours to cure and then this task will not be needed for a long bit. My s/c was starting to make the 'rocks in a bag' sound mentioned in the ZZP video, so this was needed. Also, the old oil was black and stinky (mention previously). The new oil didn't stink like the old oil. Those procrastinating on this, it's easier than you think so get after it.
GoblinFest Items (October 4th-6th)
- Alignment
- Make rear camber adjustable
- Cut and tint new screen
SC Coupler/Oil change
- Engine oil change - right before we go.
- Clean laminova cores/new O-rings
- Flush brake/clutch fluid
- Check all torque items
Long-term items
- Pusher fan and duct install
- Connect AFR to A/C wire