Question about 1984 Toyota Pickup Deluxe

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Pulled head off and found antifreeze inside

Number two intake manifold is sucking in antifreeze
the head gasket looks fine what else could be wrong?

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The intake gasket is leaking.

Posted on May 26, 2009

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Posted on Jan 02, 2017

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2 Answers

White smoke from exhaust


Head or intake gasket is bad check oil and see if it is milky looking.if yes antifreeze is getting in oil. Check antifreeze is it milky or oily . if yesoil getting in antifreeze. Both will be over full.or the head or engine block itself could be cracked.

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White smoke in exhaust 1999 lincoln after replacing intake manifold


Sounds like antifreeze leaking in to me. Ports at rear of intake are trick and easy to get that gasket mis-aligned. Hate to say it but when you take the intake back off I imagine the culprit will be obvious. Only other thing is that the intake wsa fine and you actually had a blown head gasket.

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2002 land rover discovery II overheated, it will start but won't keep running


Honestly it sounds like you eighter blow a head gasket or the intake manifold gasket. Do you see white steamy smoke coming out the tail pipe or if you pull the dip stick out do you see white fomey yellowish **** on the stick .Or if you look inside the antifreeze reseveor or radiator cap oil floating on top of the antifreeze. If any of these things are happening then the problem is antifreeze is leaking into one or more of the cylinders and the vehicle will not run good and this will reck the engine fast if not repaired quickly. So look for oil in the antifreeze or antifreeze in the engine oil

Apr 07, 2012 | 2002 Land Rover Discovery Series II

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1994 thunderbird. has been running fine past few weeks. made it to florida for a week and back. no problems. several weeks before, possible stuck thermostat. had a couple of backyard mechanics change...


Hello, Probably the easiest thing to do is drain the oil and see what it looks like. If it is okay, then invest in a new oil pressure sending unit and change the oil filter. For awhile there were bad Fram filters and others with bad relief valving in the oil filter.

If the oil has Antifreeze in it, then it is pretty much a given that a head gasket is bad. You should check your sparkplugs anyway for signs of water/antifreeze contamination if the engine is blowing the Antifreeze out of the exhaust. This can help show you if only one head gasket is bad or if both are bad.

I hope you either bypassed the heater core or fixed it. Another gasket that can get Antifreeze into a cylinder is the Intake manifold gasket. The newer cars usually have only air coming into the engine through this manifold. You need to look at where the top Radiator hose enters the engine. If the hose enters on the block, you are probably good for the Intake gasket.

But if the top Radiator hose attaches to the Intake manifold, a loose Intake can leak Antifreeze into the heads through the ports on the Intake. It can also cause a lack of power and poor idle. If the Intake gasket IS your problem, the head gaskets can be fine. The Intake gasket is reasonably inexpensive.

I can tell you that a loose Intake can be checked for air leaks by running the engine and spraying a water mist from an old detergent bottle around the seams of the Intake. The engine speed will change or stall if the water is drawn in. The Antifreeze leak can not be checked by this method.

I hope my solution helps you find your problem.

Jul 25, 2011 | 1994 Ford Thunderbird

1 Answer

I have a 99 olds 88 LS with a 3.8 and one day when leaving work I noticed white smoke out of the exhaust which turned out to be steam. I have removed the intake top half and found antifreeze all over this...


Yes, I think that is exactly the problem. This engine is known for bad original equipment lower manifold gaskets (use a fel-pro set) and for those upper manifolds to go bad, and especially there is an EGR tube in that upper manifold that you will probably need to replace.
I have seen this a lot on a forum for Buicks (same engine as your olds), and a lot of help can be found there or at an Oldsmobile forum. Probably lots of videos on you tube regarding this engine and how to replace the upper and lower intake gaskets, and that troublesome egr tube. This is well known- you will not have to mess with the heads anymore, just the intake manifolds.

May 01, 2017 | 1999 Oldsmobile 88

3 Answers

Whats wrong if u see oil in the antifreeze tank and it keeps overheating


Maybe a blown head gasket,cracked head or a cracked block.... A mechanic can probably tell by doing a compression test

May 26, 2010 | 2002 Buick Rendezvous

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I just changed the thermostat on 3.4 L 1999 Pontiac Gr Am GT THINKING IT WOULD FIX THE OVER HEATING. But there is white steam coming out the exhaust! The oil is not milky so it's not a head gasket. There's...


Are you adding coolant?
Yes ......means it's going somewhere.
Fill the coolant tank to the top...right to the top....leave the cap off and run the engine.
If you see bubbles you need a head gasket.
The intake gasket is another source of coolant leaks and at this area the coolant can be sucked into the engine and produce a white smoke.
Does the car run rough at the first start in the morning....could be antifreeze burning off in the cylinder or area that was leaking overnight meaning cyl gasket or intake gasket.
Look at the rear head to block area below the exhaust manifold.
Is there any trace of coolant or stains of coolant......yes means head gasket time.
Pressurizing each cyl at a time with air with the valves closed in that cyl will quickly show the location of the bad head gasket with bubbles coming out of the fill tank on the bad cyl (s).
Head gasket leaks don't always mean milky oil.

Aug 12, 2009 | 1999 Pontiac Grand Am GT

1 Answer

I have an external antifreeze leak at the head gasket ,driver side, kind of greenish stain, small drips, would this just need a new head gasket? oil looks fine. radiator is wet inside , but not full to...


This is a common problem on these motors. They leak between the intake manifold and the head, in the corners where they meet the block. You will need to replace the manifold gaskets and felpro makes a kit with everything in it.

May 05, 2009 | 2001 Buick Century

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