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The Terminator
Engine/Tuning
Help me diagnose this cooling problem.
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<blockquote data-quote="TroyV" data-source="post: 7027705" data-attributes="member: 28469"><p>Ok.. I thought long and hard about it, and I've come to a very definite conclusion. I, am a serious D I P S H I T....</p><p></p><p>It still doesn't all add up yet, but here's what is going on so far. All the shop did was that res headspace solvent test, no leak down or compression test have been performed as yet. The shop tech is convinced there is exhaust gasses in the coolant, but they didn't want the job to replace the gasket, so they didn't bother to continue with the dianosis.</p><p></p><p>I pre-priced a head gasket job with another shop, but I didn't want to bring the car to them until I had some time to run my own investigation. I finally got to start that investigation today. The car started fine, ran fine, idled fine.....I drove the car into the trailer, then I pulled all the plugs, and they look perfect......every one of them. I dropped a scope down each chamber and there were no signs of any debris or damage of any kind. The pistons looked very clean.</p><p></p><p>As I was working I looked over the res, the level of which was a little on the low side. I filled that with less than a quart of 50/50 mix coolant/water.....but I still noticed the hoses offered very little resistance to squeezing. </p><p></p><p>This is when I cracked open the cross over tube plug......it was BONE DRY in there. I pulled a funnel out and filled with coolant. All said and done, the car took 1.75 gallons of 50/50.</p><p></p><p>Ok...so here is where I am an asshat. I have never added coolant in the years I have had this car. I have always looked at the line on the res. The cap has puked coolant since day one at events, but I never really thought it amounted to much. I guess it adds up.</p><p></p><p>It makes perfect sense in retrospect that once coolant starts to leave that it would leave quicker and quicker as more boils in the air pockets and turns to steam.</p><p></p><p>I am still going to do a leak down, and compression tests on saturday before I do any serious driving. There is still the test result of the solvent test that has me wondering if I still have a head gasket leak. Better to be safe than sorry. I have all the tools to do the tests.</p><p></p><p>I'm very hopeful that I may have dodged a bullet....I'll post the test results and see what you guys think.</p><p></p><p>Thanks so much for the replies.</p></blockquote><p></p>
[QUOTE="TroyV, post: 7027705, member: 28469"] Ok.. I thought long and hard about it, and I've come to a very definite conclusion. I, am a serious D I P S H I T.... It still doesn't all add up yet, but here's what is going on so far. All the shop did was that res headspace solvent test, no leak down or compression test have been performed as yet. The shop tech is convinced there is exhaust gasses in the coolant, but they didn't want the job to replace the gasket, so they didn't bother to continue with the dianosis. I pre-priced a head gasket job with another shop, but I didn't want to bring the car to them until I had some time to run my own investigation. I finally got to start that investigation today. The car started fine, ran fine, idled fine.....I drove the car into the trailer, then I pulled all the plugs, and they look perfect......every one of them. I dropped a scope down each chamber and there were no signs of any debris or damage of any kind. The pistons looked very clean. As I was working I looked over the res, the level of which was a little on the low side. I filled that with less than a quart of 50/50 mix coolant/water.....but I still noticed the hoses offered very little resistance to squeezing. This is when I cracked open the cross over tube plug......it was BONE DRY in there. I pulled a funnel out and filled with coolant. All said and done, the car took 1.75 gallons of 50/50. Ok...so here is where I am an asshat. I have never added coolant in the years I have had this car. I have always looked at the line on the res. The cap has puked coolant since day one at events, but I never really thought it amounted to much. I guess it adds up. It makes perfect sense in retrospect that once coolant starts to leave that it would leave quicker and quicker as more boils in the air pockets and turns to steam. I am still going to do a leak down, and compression tests on saturday before I do any serious driving. There is still the test result of the solvent test that has me wondering if I still have a head gasket leak. Better to be safe than sorry. I have all the tools to do the tests. I'm very hopeful that I may have dodged a bullet....I'll post the test results and see what you guys think. Thanks so much for the replies. [/QUOTE]
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Help me diagnose this cooling problem.
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