Question about 2002 Chevrolet Silverado

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Keeps needing antifreeze and no leaks

My pickup continually needs anti freeze. It does not leak anything on the ground while parked. When the engine is running if I rev the engine and look at the tail pipe there is no smoke or anything. When the engine almost returns to the idel mode a little white smoke come out of the pipe. I thin the intake manifold gaskets are leaking. Can a dumb guy like me replace these gaskets at home in my garage?

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  • Chevrolet Master
  • 2,517 Answers

You didnt state year make or model of it. But if you take pictures and mark everything you should be fine.when taking things apart be aware of bolt lengths.take cardboard and trace the part pop a screwdriver thrue the bolt holesand put the bolts thrue cardboard cutout.

Posted on Jul 29, 2017

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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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tripletauto

TripleTauto

  • 1450 Answers

SOURCE: 98 tahoe antifreeze leak

IT IS MOST LIKELY THE INTAKE GASKET LEAKING THIS IS A COMMON PLACE ON OLDER MODELS.

Posted on Jan 22, 2009

Carburetor1

Carburetor1

  • 32 Answers

SOURCE: 1999 chevy suburban 4x4 is leaking cooling from

replace the gasket but I would take it to a shop if you are not familiar with that engine the injection system will have to come out and it is delicate.

paul
www.carburetorexchange.com

Posted on Sep 02, 2009

john h

  • 22486 Answers

SOURCE: My 1999 chevy tahoe is leaking antifreeze. I

it could but- check passenger side front where heater core line go into manifold right behind alternator the hose line is connected by a press clip into an alloy fitting this fitting gets eaten away by anti freeze and hose angle pulls back on fitting the part is $18 at dealer and is screwed into manifold use caution if ur r going to replace at very edge of aluminum manifold---and check ur water pump bolts the 2 longer ones should have a lock sealant on them they bolt in thru a water jacket

Posted on Oct 24, 2009

Anonymous

  • 83 Answers

SOURCE: My 1999 2-Door Tahoe 5.7L 4x4 is leaking antifreeze

There is a water port there. So it is possible. If you try cleaning the area as good as possible and then start the truck and let it run and watch that area. More then likely it is the intake gasket.

Posted on Oct 24, 2009

Ted Schore

  • 7353 Answers

SOURCE: Anti-freeze leaking from either the freeze plug or

Without knowing what year or engine size is, I/m just guessing??????? But the 3.1L engines are FAMOUS for intake maniflod gaskets leaking. Look where the intake bolts to the heads. A freeze plug is in the block. Freeze plugs dont leak unless you have been running pure water or weak/cheap anti-freeze. They will rust out from behind and its BIG BUCKS to replace them all.

Posted on Dec 18, 2009

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2 Answers

My 04 Tahoe is blowing out white smoke when I crank it. I seem to be using a lot of oil and antifreeze but I don't see a leak on the ground. Will it harm the engine if I continue to drive?


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My 01 Blazer is completely will not start. There is no turn over sound; Absolutely no sounds at all.


You could have serious trouble with the engine losing that much anti-freeze. If it is not leaking out somewhere onto the ground, it may be from a bad head gasket that is letting coolant burn in the cylinders (you would see white smoke out the exhaust), or it may let the coolant get mixed into the oil in the lower engine's crankcase.
Pull the oil dipstick and look at it. If the level is way high, or if the oil color is milky brown looking, then you have water (anti-freeze) in the oil-a bad head gasket, and a big expense to fix it. That would explain the rattling: water in the oil stops the oil from lubricating properly, and the engine bearings and other moving parts inside the engine can be damaged. If this is the case, and the reason for the rattling, then the engine is shot and needs a total overhaul, or you need a different engine.
If the coolant was leaking outside, post back. Has the engine ever overheated from low coolant? The rattling is worrisome-have a mechanic listen to it if you get it started. If it won't crank over, have someone see if the engine can be turned by hand-if it still turns freely (not siezed up), then the starting circuit needs to be checked for why the starter won't work. Good luck. Check the oil first thing.

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1 Answer

I have a 1997 Chevy lumina anti freeze is leaking from picture what might it be


It might be an antifreeze leak. Does the engine running hot? Does it stink? Are there drip marks on the ground below the engine? Then it's probably a leak.

Hope this helps.

Nov 02, 2012 | Cars & Trucks

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I have water - I think - leaking from just behind the belts on the main engine (not part of the belt pulley system). When I rub my finger in the liquid, there seems to be no oil in it. There does look to...


This sounds like a water pump leaking. Get a mirror and see if you can see the place where the leak is coming from. On the water pump is a small hole, this hole is called a "weep hole". it is there to warn that the water pump is getting worn and may fail soon. Anti-freeze, once it leaks on to the engine and gets warm enough to dehydrate then gets some road dirt stuck to it, it does looks a lot like oil and feels a lot like oil. I think your are looking at a coolant leak coming from your water pump. A shop can pressure test the coolant system and find out if it is the water pump or a head gasket. Hope this helps FixYa up.

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Tempature light on H and engine runs HOT and leaking Anti-Freeze underneath. oil light comes on, oil level is full


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My 07 impala is losing anti freeze but nobody can find a leak anywhere how can i solve this problem


if cant find any spots on the ground an you're still losing anti-freeze, from my experience its always been the headgasket, if the headgasket isnt fully blown out your car will seem like its running fine an burn the antifreeze up during the combustion stroke of the engine, or it could be leaking onto the exhaust. check to see if theres any puddles of anti-freeze on top of the engine an check for leaks around the heads. if there is no puddles of leaks it could be your antifreeze is leaking into the engine an burning up during the combustion stroke

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