View single post by MaDMaXX

Posted: Sun Aug 12th, 2018 03:08 am

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MaDMaXX
Hails from the land of rust!

Joined: Sat Oct 21st, 2017

Location: Oregon USA

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Alright, i think you need to time out for a moment here, it does seem you've done most things you need to, but maybe think a little more simple here, don't bother with that housing thing, that's too much like grabbing at straws.

Firstly, check the temp with your reader from cold, make sure it goes through the stages that 410customs talked out. Make sure that you see the drop when the thermo opens.

Just because the fan clutch was done a few years ago, doesn't mean it's still working. If that 'hot mode' isn't engaging, it'll struggle to cool enough when hot. Having said that, i thought most failed by locking up all the time.

Your ability to cool off the temp by turning the heat on, does mean that your coolant is not being cooled enough on it's run through the radiator, so again, we need to check that area, which starts with the thermostat opening enough.

Did you say you've checked all the levels for coolant? is there an overflow/header tank on the 4.0?

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