Overheating and water going in reservoir bottle from radiator

2000 MITSUBISHI COLT
336,823 MILES • 2.8L • 4 CYL • 4WD • MANUAL
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SHARMEETHA BUJRAM
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  • 1 POST
Overheating on uphills water going into reservoir bottle from radiator and when I open the radiator cap there is pressure in radiator.
Mar 7, 2021 at 12:02 AM
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DAVEH429
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 41 POSTS
Hello.

Sounds like you possibly have a cylinder head gasket leak or possibly a failing water pump carry out the following test please.

https://www.2carpros.com/articles/how-to-test-engine-compression

https://www.2carpros.com/articles/symptoms-of-a-bad-water-pump

Hope this helps with your repair, Please keep us updated on your repair outcome and do not hesitate to contact us again for further information or assistance.

Thanks for using 2CarPros.

Dave ~H~
Mar 7, 2021 at 1:02 AM
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DAVEH429
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 41 POSTS
Hello.

Here is another video you may find helpful and a couple of diagrams:

https://www.youtube.com/watch?v=zCR6wahr9FU

Hope this helps with your repair, Please keep us updated on your repair outcome and do not hesitate to contact us again for further information or assistance.

Thanks for using 2CarPros.

Dave ~H~

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Mar 7, 2021 at 1:12 AM
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SHARMEETHA BUJRAM
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The problem is with the water going into reserve bottle . On an uphill when I accelerate then it overheats n water starts to bubble in reserve bottle.
Mar 10, 2021 at 5:52 PM