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[quote=”nightflyr” post=188050]No debris in the condenser or radiator, and the temp I saw was 195ish to 210ish that temp was taken from the inlet hose or upper hose before going into the radiator.. the scan tool was saying 212 and 213. could it be a temp sensor that is not throwing a code but is not reading right? I sorta ruled out the temperature sensor since the fan kicked on
A faulty reading temp sensor…. could be the issue.
But I would think a 10% variant is acceptable.
I run a 170 thermostat and see temps in hot weather @ 186If I remember correctly there are 2 coolant devices on that engine :
A coolant temp sensor which talks to the ECM and controls the fan(s) operation and a coolant temperature sender to gauge.
It may be that the fans are being signaled on and off at a higher temp.
That can be tested though.[/quote]Yes that is correct there are 2. I’ll test them this coming weekend when I get back in town. I definitely appreciate the help man!
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If you have the throttle position at say .08 to 1.5 or just pressing the gas a little does it idle nice? And when you have the foot off the gas or the throttle position at 0.0 is that when it only runs bad and stalls?
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Try to clean the throttle body with some some TB or carb cleaner and a toothbrush… or you could use that intake sea foam stuff. But a dirty throttle body is 80 percent of stalling and rough idle.
If not that it could be a iac valve, dirty egr. But I would try a simple TB cleaning first
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[quote=”nightflyr” post=188043]Do you mean a camera that is like a snake and water proof? I do have a few of those I can use.
A FLIR camera is a thermal imaging camera.
Use to see temperature differences.Might also check for a slipping or loose fan belt.[/quote]
Unfortunately I don’t have one of those, my cat does not have a fan belt but the belt that runs the water pump is newer and tight, no slipping or anythingSent from my SAMSUNG-SM-G900A using Tapatalk
No debris in the condenser or radiator, and the temp I saw was 195ish to 210ish that temp was taken from the inlet hose or upper hose before going into the radiator.. the scan tool was saying 212 and 213. could it be a temp sensor that is not throwing a code but is not reading right? I sorta ruled out the temperature sensor since the fan kicked on
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[quote=”nightflyr” post=188031]Well wetter water happens to be a good product..
Been using it for a number of years.
According to spec you should be running a 190*F thermostat.
So lets go thru the possibilities.
Faulty or incorrect thermostat
Faulty or failing water pump.
Partial blockage in the radiator or block.Now b4 you go off on a “i just replaced ….” torrent
A radiator can look “clean” from what little you can observe through the filler neck.
But unless you perform a flow test you can never really tell, unless you happen to have a FLIR camera available.
As to the parts you replaced……
These days, there is no promise.
A incorrect marked thermostat or partially functioning or stuck one is possible.
A slipping or damaged impeller is also a possibility.FYI, my niece owned the exact same vehicle for 14 years ( and she is not easy on a car ) and never had any type of over heating issue even when it was close to 100 outside.
Best suggestion would be go through each part and confirm that it is functioning correctly[/quote]
Well the radiator is brand new as of last November and the issue never changed so that’s why I am sure it’s not the radiator. I get good heat in the winter, I am using a 190 thermostat the 2nd one that been changed out. I even boiled it on the stove. Also the water pump was changed its a duralast and it was the same type propeller as the oem one.
I’m gonna get my infrared thermometer in a few min and take the temperature by the temp sensor and see if it’s close, also I’m gonna see if there is crap in the condenser..
Do you mean a camera that is like a snake and water proof? I do have a few of those I can use.
Anyways I definitely appreciate the help
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Auto
Only the radiator has a built-in transmission cooler
I’m using a scan tool in the past I’ve use an infrared thermometer
I flushed it about a year ago, cooling system actually really clean
No signs of any hose collapsing.
I am iffy about using products like that, I never heard of this Wetter Water. I’ll have to read up on it.
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One more thing, when the temperature is high the dummy temperature gauge gets close to the H before dropping near the middle, so I guess that 220ish is hot for this car?
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Also as soon as I go back down hill or on flat ot will run 200, 203, 210, 215 again in that range. I winter ot runs 203. It seems like when going up hill, under load, high rpms it shoots up. But if I rev it in park it stays around 203 to 210
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[quote=”nightflyr” post=179486]Just tell him it’s cheaper to do it now while your this deep, then in a year, having to tear it all down again and pay for it twice.[/quote]
He passed on doing the head gasket. We have fixed 7 coolant leaks. 2 more leaks to go. Thank god for a pressure tester. The one leak is a easy fix I think some Teflon tape will solve that leak. It’s that small pipe near the front of the thermostat housing that leads to the coolant reservoir. the other is very small somewhere. The drip is somewhere in bottom, haven’t looked yet or crawled under it yet. This car is nothing but a pain… it’s also 28 degrees here in PA. The leak that I didn’t track down yet must be small because it hold pressure. It only falls a little in 30 min time. Will check back guys. Thanks for the help.Sent from my SAMSUNG-SM-G900A using Tapatalk
[quote=”nightflyr” post=179484]Just a suggestion:
Plug up those intake ports and cover the valley to keep debris out.
Appears that DexaCool has blocked up your coolant passages.
Going to have to clear those blockages.Might also consider being your that far into the top end:
Replacing the head gaskets.
Both heads can be removed as a single unit with the cross pipe attached, you just need to unbolt the two exhaust bolts at the rear of the engine.
Which will allow for cleaning up the heads a easier task.
I just finished a head gasket replacement on a 2001 Monte Carlo 3400, so I know it can be done fairly easily[/quote]
Thanks, I will ask my brother if he would want to do that much. If it was my car I would do the head gasket. He’s a cheap ass lol. The car only has 72,000 miles on it. And yeah I’m going to stick some rags so crap does not fall in there. And yeah that dex crap is nasty stuff it gunked it all up. I do not understand why it gels up so bad.
[quote=”nightflyr” post=179484]Just a suggestion:
Plug up those intake ports and cover the valley to keep debris out.
Appears that DexaCool has blocked up your coolant passages.
Going to have to clear those blockages.Might also consider being your that far into the top end:
Replacing the head gaskets.
Both heads can be removed as a single unit with the cross pipe attached, you just need to unbolt the two exhaust bolts at the rear of the engine.
Which will allow for cleaning up the heads a easier task.
I just finished a head gasket replacement on a 2001 Monte Carlo 3400, so I know it can be done fairly easily[/quote]Sent from my SAMSUNG-SM-G900A using Tapatalk
I hope it’s not warped. The leak was on the outside, no oil/coolant mixed.
I have a question. What is the best way to get this off. The quick disconnect fitting won’t work. I was going to change it since I heard this had a good chance of leaking after moving and tugging at it. The 2 pics below are what I’m talking about, heater hose connector thing. Worse case I’ll reuse it but that would suck if it leaked.
Thanks guys
[IMG]http://uploads.tapatalk-cdn.com/20161116/3e24a4890c2d66cb9fe6c2891d401904.jpg[/IMG]
[IMG]http://uploads.tapatalk-cdn.com/20161116/38a46dae2ddd8ce32e86739428407f0c.jpg[/IMG]
Here are some pictures so far
[IMG]http://uploads.tapatalk-cdn.com/20161116/80adc302b2121632f720562e09bb0a91.jpg[/IMG]
[IMG]http://uploads.tapatalk-cdn.com/20161116/586ee9762169f537a8568a29cf6d645d.jpg[/IMG]
[IMG]http://uploads.tapatalk-cdn.com/20161116/fab40ad36bdfad8877c056beae8d4d05.jpg[/IMG]
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So this is turning into a job haha. So my little brother told me his oil is overdue. There is a layer of sludge all over the rockers, valve springs, valve cover. I was going to spray parts cleaner get a rag and clean what oil sludge I can get and just throw some cheap clean oil so everything has a film of oil on it. I’m going to change the oil, filter run it for. Short time then put good oil, good filter after its all said and done. I am getting ahead of myself lol
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