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Old 05-12-2004, 02:27 PM
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am i right ???or wrong??

My neighbor has a 96 dodge intrepid 3.5L , 24valve
He told me the car started running hot ,and he pulled into a store so it would cool off. I checked it out for him ,and his temp-sender unit was bad, so his fans never came on. I changed the temp- sender unit, and the t-stat. after filling up the rad with water ,
I ran the engine until it got hot and until the fans came on.
The man said the needel on his temp-gauge all ways read about 2 lines up from the cold-mark. now it reads about 4 marks above the cold-mark which is almost half way of the gauge. when it reaches the the 4 mark the fans comes on. I have drove the car,and it doesnt get any hotter. BUT when it is in park ,and ideling,there is water coming out of the tail pipe, not alot , but some. and when i cut the car off, steam ,and some water starts coming out of the over flow drain hose, The thermostat housing has a bleeder screw on the side of it cause there bad about trapping air in the system, I have bleed the system until nothing but water comes out,but after about a minute or two,it has alot of air in it again.. Im thinking he has a blowed head gasket ,or cracked head. am i right??? that would explan the air getting back into the engine if something is blown, cause its putting compression back into the engine, causing air... sorry for the long post,but wanted to cover eveything.
Thanks Robbie

p.s i know this aint no hot rod, but i know this isd the place to ask

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Old 05-12-2004, 02:35 PM
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It's most likely a head gasket leak due to warped heads. We do a fair amount of these heads and they are all warped .010"-.015".

tom

BIG job to R&R these heads. BIG!!
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Old 05-12-2004, 02:36 PM
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Is it steam, or white smoke? Does it have a miss while running?
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Old 05-12-2004, 02:38 PM
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the alloy heads warp when they get too hot, tell hom the good news and pull the heads... :-)
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Old 05-12-2004, 02:51 PM
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Quote:
Originally posted by deuce_454
the alloy heads warp when they get too hot, tell him the good news and (HAVE SOMEONE ELSE) pull the heads... :-)
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Old 05-12-2004, 04:10 PM
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Quote:
Originally posted by FASTCHEVY
Is it steam, or white smoke? Does it have a miss while running?
its steam that comes out of the over flow hose, and no miss while running.

Quote:
Originally posted by Jmark
im already a head of you there aint no way im pulling these heads off. its someone else nightmare

Last edited by Robbie; 05-12-2004 at 04:10 PM.
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Old 05-12-2004, 05:49 PM
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could it be a bad cap?? 4 marks up on the gague it right my dad has an intrped also. Let it run and then let it cool and see if the lower hose colapses, just a thought if your tryn to help your friend from a huge job, check the small stuff first.
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Old 05-12-2004, 08:06 PM
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Quote:
Originally posted by 71 c-10
could it be a bad cap?? 4 marks up on the gague it right my dad has an intrped also. Let it run and then let it cool and see if the lower hose colapses, just a thought if your tryn to help your friend from a huge job, check the small stuff first.
it aint no bad cap, but thanks for the thought
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Old 05-13-2004, 04:56 AM
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A sure sign is white smoke coming out of the exhaust, a small amount of water could be condensation, air in the system wouldn't cause discharge out the overflow unless it's overheating,or bad cap,and if the system is sealed correctly, it will suck coolant from the overflow tank when cooling down,if needed, Most fans come on about 210-220. If it's a small leak, most parts stores carry a block tester that will check for any exhaust gases in the coolant, very simple to use! Or, install a pressure tester, pump up to 12 or so and watch for needle rise or fluctuation while running!
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Old 05-13-2004, 05:07 AM
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LOL!

There is ALWAYS steam, or air in the coolant system. When the car heats up and if it gets too hot, the engine boils the coolant. Steam gets trapped in the heads, engine coolant passages, and in the radiator.

I would'nt jump to blown head gasket right away. Why did you replace the Thermostat?

Be sure the coolant is topped off also, and if your worried about it being a crack, or head gasket, them use some copper, or aluminum rad sealer. The sealer should find it's way to the problem spot and do a temp fix.
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Old 05-13-2004, 06:59 AM
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could be a head gasket.

Couple of other things to look at is to check the oil and look for water there. Run the engine with the cap off for a bit and look for excessive pressure pushing the water out. Smell near the exhaust for an antifreeze scent.

Is it possible the part store gave you a higher temp thermostat? I know if you go to AutoZone they list all different temp thermostats for the same vehicle. That might explain why the temp gauge is reading higher.
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Old 05-13-2004, 11:51 AM
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i replaced the t-stat because they took the old one out at the store and lost it, i put a 195 in. thats what it came with.
as far as white smoke, i dont see none coming out.
and yers lover i know there is steam or air traped in the system,but it shouldnt be coming out if its filled to the right level,and if all else is working right.. i have tried another cap,but has the same results.. i might try some kind of sealent to put in the rad Thanks robbie
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Old 05-14-2004, 10:22 PM
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well if you have tried all of that i would do what some one else already sugested, get one of those lil collent testers that can tell if there is exahust gas in your coolent, there easy to use. all you do is hook it up to a vacume port and the coolen jug since there is no accese to the rad in one of those, and run the motor, cant hurt for a few bucks.
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Old 05-15-2004, 07:56 AM
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he has already had it checked out ,and it has a blown head gasket. he took it over to a dodge dealer,and they checked it out for him for free,cause the guy told him that he will need the extra money to R-R the heads lol cause its a big job...
thanks for all the help on this. Robbie
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