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Chevy Forum: Impala 2000 from Poland - transmission and cooling problem
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  #1  
Old 11-30-2019, 04:15 PM
Dariusz Dariusz is offline
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Age: 33
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Default Impala 2000 from Poland - transmission and cooling problem

Hello. I'm writing from Poland. I've bought Chevy Impala 2000y.

I have two problems with my car.

1st problem with cooling:
- when I start driving my car on cool engine, the temperature very fast reach too hot and cooling liquid is boiling.

I replaced thermostat and this problem still was the same. Next I checked service book and I found information about fixing the heads in the past. Then I bought new heads and gaskets and replaced them (and many other stuff) . In the meantime I saw that old one gasket was very bad.

OK, the engine was ready, it starts ok. I drove about 70miles and the problem came back... Cool engine -> drive about 0,5 mile -> boiling cooling liquid.

2nd problem is the transmission:
After this renovation of engine and drive this 70miles I've parked my car. Next I've started the engine, take Drive on transmission and I have only 1st gear! It is the same when I shift on 3 or 2 or 1. There is only 1st gear. Also I have R. I've scanned car with computer and there is no problems.


Please answer if you have similar problems and how to fix it. In Poland and Europe it is very rare car. I have no opinions with mechanics or forums about it. I would be very grateful for your help!
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  #2  
Old 11-30-2019, 04:48 PM
zora zora is offline
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Default Re: Impala 2000 from Poland - transmission and cooling problem

Have you pressure tested the cooling system and radiator/expansion tank cap?
Do the electric cooling fans run when the engine gets hot?
The link below provides information about your transmission.
Did you disconnect any wiring to the PCM that goes to the transmission?
You checked the fluid level?
Do you have any transmission fluid in the radiator coolant or radiator coolant in the transmission fluid?
https://tripleedgeperformance.com/4T65E-Tech-Info.html
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Old 12-01-2019, 05:21 AM
Dariusz Dariusz is offline
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Default Re: Impala 2000 from Poland - transmission and cooling problem

Quote:
Originally Posted by zora View Post
Have you pressure tested the cooling system and radiator/expansion tank cap?
Do the electric cooling fans run when the engine gets hot?
The link below provides information about your transmission.
Did you disconnect any wiring to the PCM that goes to the transmission?
You checked the fluid level?
Do you have any transmission fluid in the radiator coolant or radiator coolant in the transmission fluid?
https://tripleedgeperformance.com/4T65E-Tech-Info.html
Thank you for the reply.

When the engine is too hot cooling fans run both. Pressure is too much. The cap of radiator is new. I saw something in cooling fluid but I think this is residue of damaged head gasket. Oil in transmission I've replaced about month ago and level is steel ok. Do the transmission fluid can get to the radiator? Maybe the radiator is stoppered sometimes?

I checked the wires but I don't disconnect it. Maybe I should do this and check it once again.

I wonder if the bad cooling has something to do with transmission damage?
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Old 12-01-2019, 05:26 AM
Dariusz Dariusz is offline
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Posts: 4
Default Re: Impala 2000 from Poland - transmission and cooling problem

Thank you for the links to the tech info's. It will be very helpful. I didn't have this information.
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  #5  
Old 12-01-2019, 11:04 AM
zora zora is offline
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Default Re: Impala 2000 from Poland - transmission and cooling problem

You did not understand my question about the pressure test.
You use a gauge like the one in the link below.
The transmission has two lines connecting to the radiator. If the radiator has an internal leak the fluids can interchange.
The radiator core could also be clogged,
https://www.amazon.com/Stant-12701-C...a-491969577520
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  #6  
Old 12-02-2019, 04:02 PM
Dariusz Dariusz is offline
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Default Re: Impala 2000 from Poland - transmission and cooling problem

Ok, this week I will check the radiator.
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