When replacing the oil cooler, do I have to get a new gasket, or can I use RTV sealant?

2014 CHEVROLET CRUZE
230,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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CRAZYDOG72
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I replaced the thermostat housing, and the oil cooler seal is deteriorated. Do I have to get a new gasket, or can I use RTV sealant?
Feb 24, 2024 at 5:08 PM
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JACOBANDNICKOLAS
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Hi,

I believe you are referring to the oil cooler pipe. That is an O-Ring and needs to be replaced. If you use RTV, it will not last.

Take a look at the pic below. Is that what you are referring to?

Let me know.

Joe

See pic below.
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Feb 24, 2024 at 8:24 PM
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CRAZYDOG72
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Yes, it is. Do you know the part number or the diameter of the o ring? I don’t want to take off the oil cooler pipe, if I don’t have to.
Feb 24, 2024 at 8:40 PM
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CRAZYDOG72
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I’m not sure which is the outlet (outer) side. I need the o ring that goes between the flange and the thermostat housing. Is this the right part?
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Feb 25, 2024 at 6:58 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi,

Yes, that appears to be correct. When you install it, first lubricate it with coolant. Once you do that, then you can install it.

Let me know how things turn out for you.

Joe
Feb 25, 2024 at 6:31 PM
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