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Unfortunately, my PT is still overheating

 
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  #1 (permalink)  
Old 13 Sep 2019, 05:47 pm
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Default Unfortunately, my PT is still overheating

So my 2004 PT Cruiser LTd Ed Turbo is still overheating.

I replaced the fill spout, thermostat, gasket and cap. Then I had Jiffy Lube flush it out and refill it.

I was able to drive a bit, but it eventually hit the halfway mark, then started going over. The high fan came on, but it struggled to keep it cool.

I don't know if it continued to clime, since I pulled into Starbucks and I'm letting it cool down now.

The guys at JL said they didn't notice any leaks, or any problems when flushing it out.

So I'm assuming it's the water pump. Which means the timing belt needs to come off and that will be expensive.

I can't think of anything else it could be.
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Old 13 Sep 2019, 06:13 pm
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Default Re: Unfortunately, my PT is still overheating

Did it overheat at high or low speeds?
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Last edited by ptcruisersteve; 13 Sep 2019 at 06:19 pm.
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Old 13 Sep 2019, 06:16 pm
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Default Re: Unfortunately, my PT is still overheating

Quote:
Originally Posted by ptcruisersteve View Post
Did it overheat at high of low speeds?
I was driving around downtown Redmond, so I don't think I ever went over 30 MPH.
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Old 13 Sep 2019, 06:21 pm
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Default Re: Unfortunately, my PT is still overheating

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Originally Posted by mechanicalhorizon View Post
I was driving around downtown Redmond, so I don't think I ever went over 30 MPH.
Any codes triggered? It is common for the low speed fan to quit working. Check the fan first.
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Last edited by ptcruisersteve; 13 Sep 2019 at 06:24 pm.
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Old 13 Sep 2019, 06:28 pm
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Default Re: Unfortunately, my PT is still overheating

No, no codes. The check engine light doesn't come on, except normally when I start the car.

I think the low fan is working, I thought I heard it. I definitely heard the high fan come on.

Shouldn't the high fan be able to cool it down as well?
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Old 13 Sep 2019, 08:11 pm
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Default Re: Unfortunately, my PT is still overheating

Quote:
Originally Posted by mechanicalhorizon View Post
No, no codes. The check engine light doesn't come on, except normally when I start the car.

I think the low fan is working, I thought I heard it. I definitely heard the high fan come on.

Shouldn't the high fan be able to cool it down as well?
Does the fan come on when you first start the engine and then turn on the A/C?

If the low speed fan is good you need to have your engine coolant system pressure tested to make sure it is not leaking.
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Last edited by ptcruisersteve; 13 Sep 2019 at 08:20 pm.
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Old 14 Sep 2019, 09:41 am
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Join Date: Jul 2016
Location: east central wisconsin
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Default Re: Unfortunately, my PT is still overheating

There's a water pump inlet tube connected to a radiator hose that rusts. Check that first.
Double check that the O-ring included is the right size. Mine wasn't.


Last edited by circus; 14 Sep 2019 at 09:47 am.
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Old 14 Sep 2019, 01:10 pm
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Default Re: Unfortunately, my PT is still overheating

Quote:
Originally Posted by ptcruisersteve View Post
Does the fan come on when you first start the engine and then turn on the A/C?

If the low speed fan is good you need to have your engine coolant system pressure tested to make sure it is not leaking.
I haven't checked that, but I will and let you know. When I start the car I don't hear a fan come on, it usually comes on when I drive and the temperature gets close to teh halfway mark, then I hear the low fan.

Once the car heats up to just below the halfway mark, the low fan pretty much is always on.

I do hear the high fan come on, so I know that ones works.
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Old 14 Sep 2019, 01:12 pm
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Default Re: Unfortunately, my PT is still overheating

Quote:
Originally Posted by circus View Post
There's a water pump inlet tube connected to a radiator hose that rusts. Check that first.
Double check that the O-ring included is the right size. Mine wasn't.

I didn't know about that one. I'll check it later today.

When I replaced the fill spout I found some rust colored muck inside, and also in the upper hose.

But when I had the guys at Jiffy Lube flush it out and refill it, they didn't mention if it was clean or dirty.

I'll assume it's rust and was dirty.
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Old 14 Sep 2019, 02:27 pm
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Default Re: Unfortunately, my PT is still overheating

Quote:
Originally Posted by mechanicalhorizon View Post
When I replaced the fill spout I found some rust colored muck inside, and also in the upper hose.
Doesn't matter what's inside, the inlet tube rusts through then leaks near the O-ring. I wonder how many water pumps were painfully replaced because of that easily replaced tube?
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