Question about 2002 Chevrolet Blazer

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Can't get the black round seal cup to fit on top of the pump. Any suggestions?

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  • Charlie May 11, 2010

    What pump? Give us a clue what you are talking about.



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This is a solenoid (electrically activated) valve. It's on top of the engine, behind the throttle body. It's mounted directly behind the ignition coil. It has a 3 wire electrical connector mounted on it. It's cylindrical in shape.

Posted on Mar 04, 2009


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on the intake manifold near the throttle body there is a round in shape black in colour idle control valve held in place with 2 tiny black screws remove that valve and confirm the piston on it is in good condition its length must be adjusted to seal when fitted also the rubber seal must be on the valve when mounted to make sure it seals

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Can the water pump housing be removed?

If there's enough room for a socket - try an impact socket on the rounded off bolt. An impact socket can be hammered on to fit and grip.

The cover doesn't come off a water pump. It's a sealed unit.

26072391-5gult0ot5kkhyupfos0rfps2-1-0.jpeg Impact sockets. Hammer one onto the rounded off bolt head

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Leaking fuel pump

If the fuel is leaking into the car you will need the replace the seal on the top on the pump assembly not the seals on the pump itself but before changing the seal just double check the fuel lines are tight and the leak is actually from the fuel splashing out of the tank. The seal your after is referred to as the pump assembly oring ( big rubber oring around the top of the assembly a smear of silcone can be used as a temporary fix but erge you to get it fix properly as soon as possible and fuel fumes in the cabin can be extremely deadly)
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Need to replace the Front Main Seal

the front main seal is the one that is fitted just behind the front pulley on the crankshaft. Remove the pulley / harmonic balancer and pry out the seal carefully . Place the new seal in place and using a tube the same size as the largest dia of the seal gently tap the seal back into the case until it is flush with the case all the way round.

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What does asweep hole under the pump looks like

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2001 ford taurus 3.0-engine leak behind left rear engine head-car runs good-does not overheat-cannot find leak-no leaks in radiator or heater hoses or water pump.

It may be the freeze plug in the back of the head leaking, it looks like a small round cup about the size of a quarter it presses into the back side of the head, to remove hit the outer side of the inside of the cup with a screwdriver and hammer. To install use the apropriate size deep well socket with extension to hammer the new one in don't hit it in too far just until flush and also use permetex black sealant around the rim before installing to ensure a good seal also drain antifreeze completely before attempting job and be sure the seat where the freeze plug is going into is clean and dry.

Dec 29, 2009 | 2001 Ford Taurus

1 Answer

My transmission is leaking..plz help!

If it isn't leaking from the Input seal, (The seal where the torque converter shaft goes into), then I suggest it's leaking from the Front Pump seal. Torque converter removed, look at the large round object, that has bolts going around it, and a shaft coming out the middle. The Input seal is in the middle. The large round object is the Front Pump. There is a large rubber O-ring that goes around the Front Pump. This O-ring can deteriorate, and leak. It can also blow out partially, due to inner damage of a spring clutch.

One thing I would like to advise you on. The Inner seal installation.

You should use the proper tool to remove it. You should use a seal puller. Also, when using a seal puller, the seal puller head can dig into the Front Pump cast iron case.
This can create a gouge, in the recess where the outside of the seal sits. This will create an area to leak.
Use caution when removing an Inner seal, and only have the seal puller head just far enough in, that it catches about half, of the inner seal -> metal outer ring. Past the rubber part of the seal, past the spring, and onto the metal outer ring of the seal itself. But, not far enough that the seal puller head will touch the Front Pump case recess.

If you did gouge the recess of the Front Pump case, clean the area with a clean shop rag. Use a half round file, and carefully remove the burr that the gouge creates. When a gouge is created, it upsets the metal. The gouge makes a 'valley', and a burr is created on the top edges of this 'valley'. That burr needs to be filed down to the rounded recess surface. Follow up with sandpaper. Wipe it out with a clean shop rag. Wrap a clean shop rag around the shaft, so that no metal fillings can get inside the Front Pump, and blow that recess out with air. Wipe the recess area again, with a clean shop rag.

To install an Inner seal, lightly coat the outside metal ring of the seal, with silicone. I use high temp Red. Failure to do this may cause a leak. Do this if you have a gouge or not. If you have a gouge, put a little extra silicone in that gouge, and fill it up. Don't use too much, but make sure the gouge is filled.

Either use a seal installation tool, or fabricate one out of Schedule 80 pipe, and have one end milled flat, and the corners rounded a little. The pipe must be large enough to fit against the flat outer lip of the seal.
Put the seal in place. Push on it, try to keep it flat and even. Put the seal installation tool on the seal. Tap on one side of the installation tool, then tap on the other, until you get a good start. Good start being the seal starts to go in, and is even all the way around. Then take you hammer, and tap around the outside edge of the installation tool. Go around and around. Watch how the seal is going in. If it starts to tilt off to one side, stop. Remove the seal. Start over. It must go in even all the way around, as it's being installed.

Failure to keep it even as it's installed, will twist the seal, and the seal's spring will pop out. Now you have a twisted seal, and no spring. The seal is junk!

BE SURE, to apply a thin light coat of transmission fluid, to the inner part of the seal. The area where the torque converter shaft will spin in. FAILURE to do this, might cause the torque converter shaft to twist, the inner rubber part of the seal, and twist the seal in half. The seal is then junk!

Apr 24, 2009 | 1994 Mitsubishi Mirage

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2002 volvo s80 has leak at top of gas tank. can hear hissing sound. does the exhaust system need to be saw off to repair?

This should be repairable from the top.
Pull out the rear seat cushion and remove the two black round access covers to access the fuel pump covers. The seals for these covers tend to leak and if they are leaking, you will see it when the covers are off.

Dec 08, 2008 | 1999 Volvo S80

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