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  1. #1
    Forum Moderator digitaloutsider's Avatar
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    [size=14px]Oil Pump Drive Seal Fix[/size]
    by: Shaun Ewing

    You Will Need:
    O-Ring, GM Part Number: 10477565
    Coolant
    Carb Cleaner (for cleaning the throttle body)
    Various sockets and extensions

    Step One:

    Completely remove the airbox by unbolting it and removing the intake hose, intake temperature sensor (on the airbox) and PCV tube. This will help give you more room to work.

    Step Two:
    Disconnect the vacuum lines that are on top of the throttle body (these are all grouped together. Now, remove the two coolant lines running into the TB (These are a major pain in the ass to get off. I ended up cutting mine, and bypassing the TB alltogether). Remove the connections for the Idle Air Control (IAC) and Throttle Position Sensor (TPS). Now, you have two choices. You can leave the throttle cables attached, and try to move the TB out of the way, or you can disconnect those cables and remove the TB completely. I took mine out all the way because it made it easier to clean.

    Step Three:

    Release fuel system pressure by using this valve. Unscrew the protective cover, and using a rag to catch the fuel, press it down until there is no more pressure left in the system. Be careful, the fuel in this line is under a moderately high pressure, and can come up and spray into your eye. Not fun. Disconnect the two fuel lines that are connected to the fuel rail. Move these out of the way.

    Step Four:

    Remove the bolt from the C-clamp holding the drive assembly down. Remove the C-clamp. To remove the oil pump drive assembly, you have two options. You can use a sharp chisel and wiggle it under the lip (what I did) or try your luck at using pliers. Whatever you find easier. Remove the old O-ring. (It will be old and brittle and will probably fall into pieces)

    Step Five:
    Coat the O-ring in motor oil and slide it on into the drive shaft. It fits directly into the grove that the old one came out of. The new GM o-ring is made of silicone and will stretch without breaking (but put it on FROM THE BOTTOM, not the top, It doesn't stretch that much)

    Step Six:
    Push the oil pump drive assembly back into the hole. It probably won't go all the way in on the first try. Try and try again. Pick it up and rotate it until it goes down far enough to replace the c-clamp (It won't go down ALL the way because of the new o-ring. The c-clamp pushes it the rest of the way down) Reattach the fuel line. Replace the TB and all associated cables, vacuum lines, and wiring. Reattach the airbox and all hoses.

    Enjoy your new non-leaking W!
    2006 Nissan Altima SE-R 3.5L 214ci VQ35DE DOHC 60 V6 | 6MT
    Raclingline HFPCs and Y-pipe, NWP VIAS delete, Goodridge SS brake lines, removed airbox snorkel, deburgered.

    1998 Jeep Grand Cherokee 5.9 Limited 5.9L 360ci Magnum Pushrod 90 V8 | 46RE | NV249
    Flowmaster 50 SUV muffler, 180 t-stat, CAI, does sick burnouts.

    1994 Ford Thunderbird SC Supercharged Intercooled 3.8L 231ci Pushrod 90 V6 | M5R2
    180 t-stat, intake, ASP UDPs, 10% S/C pulley.

  2. #2

    Join Date
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    Ok, this either needs to be a sticky, or put on the w-body.com website.
    Chris D.-
    '02 Buick Century- Wife's
    2012 Jeep Grand Cherokee- Company Car/DD

  3. #3

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    And for those of you who would like the opportuinty to really clean out your TB, purchase GP Sorensen kit # 96-3004 (Fuel Injection repair kit) This kit has all the o-rings and gaskets for the TB. You can disassemble the TB and clean it out very good. Then reseal it with all new gaskets and O-rings.

    You can also do the TB Coolant Bypass Mod while repairing the O-ring seal. Maybe Shaun can get the right hose P/N for the TB Bypass.. I had them at one point but misplaced it.

    Shaun,

    it might also be a good idea for folks to disconnect the CTS pigtail and swing the wires out of the way... Just have to remember to recoonet it when finshing up or you will get a check engine light.
    Dave<br />Grand Prixs of North America<br />

  4. #4
    Forum Moderator digitaloutsider's Avatar
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    When the GM dealer wants $15 for a 4 inch piece of hose, there's no point to it. Just use the same L hose and clamps from the TB, and make your own TB bypass. That's what I did.
    2006 Nissan Altima SE-R 3.5L 214ci VQ35DE DOHC 60 V6 | 6MT
    Raclingline HFPCs and Y-pipe, NWP VIAS delete, Goodridge SS brake lines, removed airbox snorkel, deburgered.

    1998 Jeep Grand Cherokee 5.9 Limited 5.9L 360ci Magnum Pushrod 90 V8 | 46RE | NV249
    Flowmaster 50 SUV muffler, 180 t-stat, CAI, does sick burnouts.

    1994 Ford Thunderbird SC Supercharged Intercooled 3.8L 231ci Pushrod 90 V6 | M5R2
    180 t-stat, intake, ASP UDPs, 10% S/C pulley.

  5. #5

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    AutoZone Carries the hose for the TB mod..... $4.99 Its classified as a Heater hose.
    Dave<br />Grand Prixs of North America<br />

  6. #6
    93CutlassSupreme's Avatar
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    someone get a part number
    1988 Oldsmobile Cutlass Supreme International 5-speed - RIP
    1993 Oldsmobile Cutlass Supreme SL - 3.1L - RIP
    1997 Pontiac Sunfire SE - 2.2L
    1997 Pontiac Grand Prix SE - 3.8L - Ravaged
    1982 Kawasaki KZ550 LTD - 550CC DOHC I-4 - 50 HP @ 8,500 RPM - 6-speed

    "Cocaine is a hell of a drug." -Rick James


  7. #7

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    There is already a write-up on the .com, it just doesn't have pics (which I have offered to Shawn, I have them around somewhere) I also have a P/N for a hose I used from Advance Auto parts, but it's just a hose from something else. I'll have to find it.
    Sonic Yellow Snow Cone<br />My WRX pics<br />My Mods

  8. #8

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    Quote Originally Posted by Gearhead43
    purchase GP Sorensen kit # 96-3004 (Fuel Injection repair kit) This kit has all the o-rings and gaskets for the TB. You can disassemble the TB and clean it out very good. Then reseal it with all new gaskets and O-rings.
    where can i purchase this kit?
    Paul<br />2002 Chevy Camaro SS<br />1998 Oldsmobile Cutlass<br /><br />Http://www.ls1tech.com<br /><br />[quote author=Brian P link=topic=63948.msg779619#msg779619 date=1194535851]<br />I&#39;m a ricer<br />[/quote]

  9. #9

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    AutoZone has it....

    I think PepBoys and Advanced have it too
    Dave<br />Grand Prixs of North America<br />

  10. #10

    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    thank you thank you

    will need the right up next time as this time the heads are already off.
    so it should be a piece of cake.

    Monty
    90 Cutlass 3.1 4spd auto sapphire blue/lt grey or is it lt blue?
    <br />93 GP 3.1 3spd auto maroon/charcoal
    <br />
    <br />http://www.dbfanatics.com/forum/photo_album_cat.asp?sqldtl=16

  11. #11

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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    I'd like to add... that I always install an extra gasket on the drive gear, a paper one intended for older vehicles, as a back up in case the proper one fails someday.
    You can get this suggested gasket by purchasing a distributor drive gasket for a 1978 chevy impala with a V6 motor.


    BUILDER AND DESTROYER OF FINE(?) AMERICAN CARS.

  12. #12
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    so like, could pictures ever come back?

  13. #13
    Forum Moderator digitaloutsider's Avatar
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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    They're long gone. I'll try and take the 3.1 apart again and get some pictures tomorrow.
    2006 Nissan Altima SE-R 3.5L 214ci VQ35DE DOHC 60 V6 | 6MT
    Raclingline HFPCs and Y-pipe, NWP VIAS delete, Goodridge SS brake lines, removed airbox snorkel, deburgered.

    1998 Jeep Grand Cherokee 5.9 Limited 5.9L 360ci Magnum Pushrod 90 V8 | 46RE | NV249
    Flowmaster 50 SUV muffler, 180 t-stat, CAI, does sick burnouts.

    1994 Ford Thunderbird SC Supercharged Intercooled 3.8L 231ci Pushrod 90 V6 | M5R2
    180 t-stat, intake, ASP UDPs, 10% S/C pulley.

  14. #14

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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    Isnt this really the only pic needed. Once you have it off you should be able to get er done.


  15. #15

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    O-Ring (Oil Pump Drive Seal) Fix (Pictures)

    digital: is that the part number for the silicon o-ring?
    -Tony
    gtsdurango.net
    '04 Dakota SLT Quad Cab 4x4
    ​ - teh gas guzzling daily
    '90 Turbo Grand Prix STE - Crane H260 Cam, Getrag 282 Swap, 1.6 Rockers, Intrax Front Lowering Springs, KYB GR2s, 34mm Sway Bar, CS FSTB, AWeb RSTB, ES Poly Sway Bar Bushings, Cooper Cobra 245/50s, Speed Primer, Hail Speed Dents, NFG Keyless Entry, Lots of Extra Wiring - Running once again! Sorta! Not really...
    '92 Gutless Supreme SL - RIP 5-10 | '90 Turbo Grand Prix - RIP 6-15-05

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