Question about 2001 Chevrolet Blazer

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Coolent in oil

Blazer runs fine has all kinds of power. some one told me it must be the lower intake manafold gasket is this true if so how hard is it to change?
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If you have coolant in your oil there is 99% chance it is your intake gaskets. It is about a 6 hour job. You will need mechanical ability. This job involves removing every thing on top of the motor, including the distributor and AC pump. You will also need to remove the whole bracket assembly off the drivers side of the motor that the AC pump bolts to in order to remove the intake. Do not out off getting it fixed because the coolant will destroy the bearings in the motor. Also use the new felpro metal gaskets.

Posted on Dec 08, 2008


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I have a 2000 4x4 blazer. the intake manafold gasket went out and dumped water in the radatior.i pulled the intake off replace the upper and lower gaskets,changed the oil and now it turns over but dosent...

You have a fuel problem. Spraying ether into the intake on this vehicle is not always a sure fire way of checking for fuel like most car/trucks. If you don't have a computer to check for the timing of the spider injectors, your going to have to take the intake off to make sure that you did'nt break or unplug the "spider injector" harness connector. You'll have to have the intake off to visually check for a fuel leakage. Make sure that all of your wiring harness have been plugged back in. You can pull the codes to see if this will point you in the right direction, but with coolant in the intake, there is a stong possibilit that your spider injector was shorted out. A very common problem with these blazers.

Aug 15, 2012 | 2000 Chevrolet Blazer

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Intake manafold gasket

If you are just talking about the cost of the gaskets there is kind of an upper (plenum) and a lower intake set. If you just need the plenum gasket they are only about 30 dollars. If you need the entire set there are a couple of option. Just a regular set runs you about 70 (that's both the upper plenum and lower intake manifold but FelPro puts out a great gasket set called "permadry" and the runs about 165 dollars. If you were looking for labor cost it depends on the hourly labor rate of the shop you are using. The labor guide says that if you are replacing both upper & lower it shows 3.4 hours in labor. If it's just the plenum it says 2 hours of labor. Hope this is what you are looking for and by the way I am going by the most common engine found for the Windstar for that year and that engine is a 3.8 liter. If you happen to have the 3.0 the prices and labor hours may be different.

Mar 31, 2012 | 2000 Ford Windstar

1 Answer

My gf has a 2001 blazer with the 4.3 vortec. it is leaking antifreeze and i cannot find the leak, its not getting in the oil,and the floorboards are not wet. someone told me that it could be the intake...

Most likely the intake gasket is leaking.You can check under the ac compressor and back by the transmission bell housing these are where the intakes usually leak. If you have a uv light it will illuminate the antifreeze very brightly.

Dec 04, 2010 | 2001 Chevrolet Blazer

1 Answer

My blazer started this morning but was leaking antifreeze on the ground. I don't think its the water pump. could it be the intake manafold gasket? it seems to be leaking at the front of the intake.

It would either be the intake gasket, thermostat housing gasket,upper hose at the thermostat housing,or the heater hose that enters the intake.

Feb 09, 2010 | 1999 Chevrolet Blazer

1 Answer

1999 S10 blazer 4.3. need to replace lower intake gaskets. went and bought the kit and the kit has upper and lower intake gaskets with it. do i need to replace them all?? the kit also came with gasket...

If your going to replace the lower intake and the set came with the upper why not replace it, your removing it any way.the silicone you need to used it at the 4 corners where the heads meet the engine block or you will have leaks.

Feb 02, 2010 | 1999 Chevrolet Blazer

1 Answer

I have a 99 Blazer 4X4 LS 4.3L Overheating- coolant leak.

no, the lower intake is leaking(common fault with 4.3)will have to get lower intake gasket changed,there is an up dated gasket for ths from FEL PRO

Oct 05, 2009 | 1999 Chevrolet Blazer

1 Answer

1999 Grand Prix GPS Surpercharge

If they promised to fix it and did not go to oberdsman. trading standards its called in England. they can make them do the job right over hear. have you got the same thing for shoppers over there. selling a product that does not work.

Mar 26, 2009 | 1999 Pontiac Grand Prix

1 Answer

Replacing value cover gaskets on a 1988 Ford F150 302 engine.

hi no short cuts on changing gaskets, u have to take off the top intake, then move all the wires and vac hoses, it is a pain, when I did mine and while I was there I changed my intake gasket also, and glade I did I found other problems with vac hoses and a water leak and an oil leak, the lower intake was nasty inside, here soon i need to do the timing chain and front cover there is a water leak....
have Fun

Mar 24, 2009 | 2004 Ford F150

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