M62 Rebuild with PICS this time - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 02-16-2003, 08:44 PM   #1
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Default M62 Rebuild with PICS this time

Okay, here it is (I posted links so I wouldn't overload everyone, and for those rookies out there, notice I put the bolts back in the holes they came out of before I could lose them) Formatting all screwed up because of the servers software problems. Many duplicate pics. (This was happening to everyone back then) Sorry:

Before:
http://home.comcast.net/~bonnevilleclub/01.JPG

Fuel rail off, harnesses disconnected:
http://home.comcast.net/~bonnevilleclub/02.JPG

Same pic again. Go figure:
http://home.comcast.net/~bonnevilleclub/03.JPG

EGR inlet removed, TB and exhaust heat shield removed:
http://home.comcast.net/~bonnevilleclub/04.JPG

Exposed lower intake manifold:
http://home.comcast.net/~bonnevilleclub/05.JPG

M62 removed, underside view:
http://home.comcast.net/~bonnevilleclub/06.JPG

Business end of a fuel injector:
http://home.comcast.net/~bonnevilleclub/07.JPG

Why you should change your injector O-rings (do both on each):
http://home.comcast.net/~bonnevilleclub/08.JPG

Careful gasket cleanup. Note the paper towels to prevent
debris from entering the lower intake manifold:
http://home.comcast.net/~bonnevilleclub/09.JPG

Parts removed besides the SC (your engine cover may look different ):
http://home.comcast.net/~bonnevilleclub/10.JPG

The shopping list (SC outlet gasket, SC coupler, Thermostat gasket if needed, injector O-ring kit, SC oil, SC nosedrive sealant in the little red tube, TB gasket):
http://home.comcast.net/~bonnevilleclub/11.JPG

Spectator (not my dog, I wouldn't let my Boxers up there):
http://home.comcast.net/~bonnevilleclub/12.JPG

Rotor assembly removed from the SC. Before cleanup (use brake cleaner):
http://home.comcast.net/~bonnevilleclub/13.JPG

Pulley half of the nosedrive assembly, after cleanup. Note the stock Coupler (black):
http://home.comcast.net/~bonnevilleclub/14.JPG

Lower intake cleaned up, ruler for reference (for intercooler design!):
http://home.comcast.net/~bonnevilleclub/15.JPG

Housing side of the nosedrive assembly, with gears (after cleanup):
http://home.comcast.net/~bonnevilleclub/16.JPG

Ditto:
http://home.comcast.net/~bonnevilleclub/17.JPG

Ditto again:
http://home.comcast.net/~bonnevilleclub/18.JPG

Freshly gooped with sealer, ready to go back togetherome.comcast.net/~bonnevilleclub/09.JPG

Parts removed besides the SC (your engine cover may look different ):
http://home.comcast.net/~bonnevilleclub/10.JPG

The shopping list (SC outlet gasket, SC coupler, Thermostat gasket if needed, injector O-ring kit, SC oil, SC nosedrive sealant in the little red tube, TB gasket):
http://home.comcast.net/~bonnevilleclub/11.JPG

Spectator (not my dog, I wouldn't let my Boxers up there):
http://home.comcast.net/~bonnevilleclub/12.JPG

Rotor assembly removed from the SC. Before cleanup (use brake cleaner):
http://home.comcast.net/~bonnevilleclub/13.JPG

Pulley half of the nosedrive assembly, after cleanup. Note the stock Coupler (black):
http://home.comcast.net/~bonnevilleclub/14.JPG

Lower intake cleaned up, ruler for reference (for intercooler design!):
http://home.comcast.net/~bonnevilleclub/15.JPG

Housing side of the nosedrive assembly, with gears (after cleanup):
http://home.comcast.net/~bonnevilleclub/16.JPG

Ditto:
http://home.comcast.net/~bonnevilleclub/17.JPG

Ditto again:
http://home.comcast.net/~bonnevilleclub/18.JPG

Freshly gooped with sealer, ready to go back together. Keep this sealer in your pocket, cuz it'* too hard to squeeze when cold:
http://hom may look different ):
http://home.comcast.net/~bonnevilleclub/10.JPG

The shopping list (SC outlet gasket, SC coupler, Thermostat gasket if needed, injector O-ring kit, SC oil, SC nosedrive sealant in the little red tube, TB gasket):
http://home.comcast.net/~bonnevilleclub/11.JPG

Spectator (not my dog, I wouldn't let my Boxers up there):
http://home.comcast.net/~bonnevilleclub/12.JPG

Rotor assembly removed from the SC. Before cleanup (use brake cleaner):
http://home.comcast.net/~bonnevilleclub/13.JPG

Pulley half of the nosedrive assembly, after cleanup. Note the stock Coupler (black):
http://home.comcast.net/~bonnevilleclub/14.JPG

Lower intake cleaned up, ruler for reference (for intercooler design!):
http://home.comcast.net/~bonnevilleclub/15.JPG

Housing side of the nosedrive assembly, with gears (after cleanup):
http://home.comcast.net/~bonnevilleclub/16.JPG

Ditto:
http://home.comcast.net/~bonnevilleclub/17.JPG

Ditto again:
http://home.comcast.net/~bonnevilleclub/18.JPG

Freshly gooped with sealer, ready to go back together. Keep this sealer in your pocket, cuz it'* too hard to squeeze when cold:
http://hom may look different ):
http://home.comcast.net/~bonnevilleclub/10.JPG

The shopping list (SC outlet gasket, SC coupler, Thermostat gasket if needed, injector O-ring kit, SC oil, SC nosedrive sealant in the little red tube, TB gasket):
http://home.comcast.net/~bonnevilleclub/11.JPG

Rotor assembly removed from the SC. Before cleanup (use brake cleaner):
http://home.comcast.net/~bonnevilleclub/13.JPG

Pulley half of the nosedrive assembly, after cleanup. Note the stock Coupler (black):
http://home.comcast.net/~bonnevilleclub/14.JPG

Lower intake cleaned up, ruler for reference (for intercooler design!):
http://home.comcast.net/~bonnevilleclub/15.JPG

Housing side of the nosedrive assembly, with gears (after cleanup):
http://home.comcast.net/~bonnevilleclub/16.JPG

Freshly gooped with sealer, ready to go back together. Keep this sealer in your pocket, cuz it'* too hard to squeeze when cold:
http://home.comcast.net/~bonnevilleclub/19.JPG

SC outlet gasket installed, Therm and gasket installed:
http://home.comcast.net/~bonnevilleclub/20.JPG

Lower intake water outlet and supply seals installed:
http://home.comcast.net/~bonnevilleclub/21.JPG

What fresh and clean sc oil looks like through the plug hole. Yes, you are actually looking at oil. Should be as clear as water:
http://home.comcast.net/~bonnevilleclub/22.JPG

Advice? Have some extra vacuum hose handy. Several different sizes. You'll break some in the process of tearing this down.

Any questions?
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Old 02-16-2003, 08:54 PM   #2
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great job
also loved the cover too. i have some mess at work from my talon. just may have to do that
 
Old 02-16-2003, 09:30 PM   #3
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Sony DSC-S50, 2 megapixel. Those are 640x480 format, but it'll shoot 1600x1200
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Old 02-16-2003, 11:30 PM   #4
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Wow...excellent work Will

I'm just going to sit quietly in corner over here and WISH my engine could look like that.

Congrats on a job well done, and nice pics!! Time to beg daddio to get a new camera for us...heheh
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Old 02-17-2003, 12:33 PM   #5
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wow, that engine is clean
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Old 02-17-2003, 01:24 PM   #6
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There'* a few here that are as clean as mine. It'* worth a couple cans of gunk. If you ever get a leak, you know it. It'* actually easy to get them that way. JSeabert next door is as clean as me, and he'* got 180,000 on his car.
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Old 02-19-2003, 03:41 PM   #7
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So did you service the supercharger just because the coupler caused it to make noise at idle? Or was something else wrong with it too? DId you consider replacing the bearings and nose oil seal while you were at it?

I hope you have better luck than I did - within a few hundred miles after I took mine apart and replaced the coupler (with a black OEM coupler), the nose seal began leaking oil badly. I can only conclude that simply replacing the old supercharger oil with new supercharger oil caused the seal on mine to fail. It was filled to the base of the threads, so it didn't rupture due to excessive pressure...when I took it apart again and replaced the nose oil seal, it was obvious that the teflon portion of the seal was freely spinning with the shaft when the shaft was rotated. The teflon is sandwiched between the 2 metal layers of the seal.

This same type of seal failure happened on another of my superchargers too - this one only had 30,000 miles but the seal failed after the oil was replaced. What rotten luck, huh?
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Old 02-19-2003, 06:09 PM   #8
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Default Re: M62 Rebuild with PICS this time

Quote:
Originally Posted by willwren

Any questions?

[/img]
Yea, wanna trade cars??? And how long is it going to take to fix this [edited] problem with the server???
 
Old 02-20-2003, 02:01 AM   #9
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Quote:
Originally Posted by billha
So did you service the supercharger just because the coupler caused it to make noise at idle? Or was something else wrong with it too? DId you consider replacing the bearings and nose oil seal while you were at it?
I did this for strictly documentation purposes and because I wanted to. We've got a couple couplers going out here (and my Boss'* 95 SC Buick Riv), and nobody had documented this procedure yet. Mine had a TINY amount of noise at idle, and it turned out to be a slight amount of wear on the coupler. I also wanted to change the coupler before the smaller pulley goes on. I'll worry about the seals when they start pissing. It doesn't take that long to do this. I don't mind doing it again. This also gave me the chance for a good complete flush of the old oil. It'* the only way to do it.

I'm not expecting any problems with only 80k on the car. I'll deal with them when I do!
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Old 02-20-2003, 01:52 PM   #10
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Did anyone catch the bearing numbers in the nose cone? Come spring im looking at doing a complete tune up and serviceing the super charger at the same time.
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