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

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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

2 Answers

Just put new spark plugs in 97 buick lasabre. Car now starts and runs, but is blowing out white smoke. Is this blown head gaskets? Does it have anything to do with the fuel pump put on 3 weeks ago?


these cars have issues with coolent getting into the intake... headgaskets are not one of the issues . check plugs for coolent. upper plastic intake has coolent flow in to chambers if u will, and over time they get micro cracks and brittle ...lower intake manifold gaskets are plastic also. ..cyl. heads are cast iron not alluminum . lower intake manifold is alluminum and upper intake is plastic .. on my lesabre a plastic 90 degree elbow connected to the lower intake manifold to the heater hose housing. the belt tensioner is connected to this housing im refering to. not saying for sure, but if it is this is usually why...

Jun 26, 2009 | 1997 Buick LeSabre

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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

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Poor to no acceleration


Hi, you may have a plugged up converter. When a converter plugs up, the exhaust has no where to go but stay in the engine. This will cause the engine to get hot in a short period of time. Do a pressure test on your cooling system. If it holds pressure, this would be a good thing, if not, this means the water is going somewhere. It still could be a sign of a leaking head or intake gasket. I'm willing to bet you may have a leaking intake gasket and your water is entering the head and going out the exhaust causing your tailpipe issue and the water has loosened the carbon in the exhaust system plugging the converter. The engine will loose all kinds of power with a plugged exhaust. If that checks out, check out you MAF (Mass Air Flow) sensor. This tells the computer how much air is entering the engine in which the computer tells the injectors how much fuel to give the engine.

Jul 04, 2008 | 2001 Chevrolet Blazer

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