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98 blazer coolant leak, possible intake man gasket
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98blazerguy
New User
Mar 4, 2010, 8:34 AM
Post #1 of 6
(6170 views)
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98 blazer coolant leak, possible intake man gasket
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My 98 blazer is going through about a quart or so of coolant every other day. I see it leaking from under the upper rightside ac pump or under the air filter housing. If it is the intake manifold gasket, how tough would this be to fix, or how much will it cost me to have it fixed??
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 4, 2010, 8:43 AM
Post #2 of 6
(6165 views)
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Re: 98 blazer coolant leak, possible intake man gasket
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Intake manifold gaskets are too common on a couple GM engines. Try to clean it off, pressure test if needed to verify exactly where it's leaking from.
Parts are cheap. A '98 (un said what engine) could make it a lot more labor intensive. I can't guess your local labor rates but I wouldn't short cut the fix either as it's too important to your engine. Consider approving all new antifreeze, old hoses that need replacing and an oil change if this is the job needed,
T
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98blazerguy
New User
Mar 4, 2010, 8:45 AM
Post #3 of 6
(6162 views)
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Re: 98 blazer coolant leak, possible intake man gasket
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Its a 4.3 vortec.. I am 1500k past my oilchange date.. Where could i get it pressure tested?? Tires plus?? Ill have it looked at next week... Also. I have noticed it does require dex coolant and the owner before me had it switched to the green... Labor rates around me are around $75-90/hr
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 4, 2010, 9:08 AM
Post #4 of 6
(6156 views)
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Re: 98 blazer coolant leak, possible intake man gasket
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It probably uses a common radiator cap and pressure tester would just go there up to cap's rating or a tad lower. Word has it that Autozone or like places rent stuff like that for free with deposit if you wish to try yourself to locate it. Any shop that takes this work on would test it first themselves unless wildly obvious of the problem.
It certainly is a problem to fix! I personally don't care if Dextron (orange) or quality green antifreeze is used and don't think that caused a problem. Techs will disagree on that and have good points both ways. Your call.
No matter what, keep it filled and carry premixed coolant with you and check like a hawk not to allow an overheat! Don't let one problem become more than it is now,
T
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98blazerguy
New User
Mar 4, 2010, 11:57 AM
Post #5 of 6
(6149 views)
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Re: 98 blazer coolant leak, possible intake man gasket
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thanks... i plan on having it looked at next week... been filling up radiator with fluid and this alumaseal stop leak that fixes the problem temp.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 4, 2010, 12:05 PM
Post #6 of 6
(6146 views)
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Re: 98 blazer coolant leak, possible intake man gasket
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I STRONGLY suggest against using sealers of any kind! It may slow the up front issue but rarely a cure and has to be flushed out or other issues can come about. Tell a shop/tech that it's in there so they aren't fooled while verifying the leak,
T
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