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Old 05 Aug 2014, 12:29 pm
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Talking Intake manifold hot

Hi to everyone.
Im still having a major nightmare with overheating on my 2001 LE. IAfter running it for a while today i noticed that the inlet manifold was really hot on one port. Also whilst running the top rad hose was hard and hot . The top tank on the radiator was hot where the hose connects but 2-3 inches along it was much much cooler. Any advice is very much appreciated.
Thankyou
Ian
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Old 05 Aug 2014, 12:34 pm
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Default Re: Intake manifold hot

You can not go by touch and feel under the hood of an engine to question what is normal or not. The least to judge what is going on temperature wise would be with an inexpensive hand held thermal gun.

Responses without knowing some real numbers are not going to be helpful!

General common since evaluation are better i.e. "I hear the water gurgling in the radiator", "the coolant tank is over flowing", "I smell coolant" etc.!?
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Old 05 Aug 2014, 01:38 pm
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Old 05 Aug 2014, 02:52 pm
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Default Re: Intake manifold hot

Agree w/ Nitro. If you get a thermal "gun" and see a significant difference across radiator, you should consider getting radiator flushed.
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Old 06 Aug 2014, 04:35 am
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Talking Re: Intake manifold hot

Hi guys
Sorry for the lack of info yesterday.
My motor is a 2001 LE with 89000 miles. Shirtly after buying the car the pcm had to be replaced and re-programmed.A week later the clutch had to be replaced. A few weeks after that the water pump started leaking so i had that and the timing belt replaced. Since then she just overheats at varying intervals.Sometimes i can drive 30-40 miles other times only half a mile. I have replaced the thermostat and the pressure cap and just fitted a new radiator. Topped up coolant and bled system. Sitting on drive ticking over she gets up to temperature and fan cycles on and off. As soon as i drive her she starts to overheat. Also on occasion after ticking over for a while the exhaust starts popping like an old outboard engine. Its going in for some test today and im hoping its not the head gasket .
Thanks again for any advice. desperately appreciated...
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Old 06 Aug 2014, 09:14 am
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Default Re: Intake manifold hot

What does coolant and oil look like? Head gasket clouds them both, often.
Fan might be intermittent?
The usual suspects you've already replaced....
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Old 06 Aug 2014, 10:14 am
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Default Re: Intake manifold hot

Scan OBDII diagnostic port for DTC. By your description you should have at least one. Please do not use the key dance for DTC viewing.
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Old 06 Aug 2014, 10:40 am
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Default Re: Intake manifold hot

i did nto knwo there was a HIGH limit but last year i was going to read the wood furnace door nand i guess it was hotter than the gun would allow it just showed lines-----------
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Old 06 Aug 2014, 10:44 am
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Default Re: Intake manifold hot

Quote:
Originally Posted by cruserdad1976 View Post
i did nto knwo there was a HIGH limit but last year i was going to read the wood furnace door nand i guess it was hotter than the gun would allow it just showed lines-----------
Mine will do that at 1000F.

Your furnace door must have been glowing?
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Old 06 Aug 2014, 12:27 pm
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Default Re: Intake manifold hot

they were which is why i wanted to see how hot ther were--- for some reason the blower that feeds the fire box would notn shut off and it was like a turbo gone wild i ended up un hooking the fan to get the stove to cool off taking the fan motor apart and cleaned it put it back togther and then it would not work at all-lol so i ordered a new one with a thermal cut off switch just no place to hook the switch to--it is a wood furnace that heats my house so some how later ill ahve to find a way to hook it up
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