Vehicle & Technical > Suzuki

Vitara 8V nearly overheating

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StuartL:
You should get a HUGE temperature drop across the radiator.  It should be hot on top at idle (when it's warmed up, of course) and cool at the bottom.  If it's not cool at the bottom poke around and see if has hot spots.

You can also check the temperature above and below the thermostat (the dome like thing at the other end of the water pipe feeding the top of the rad).  If there's a temperature difference the thermostat is closed.

For engine health (i.e. running temperature) check the temperature of the exhaust headers.  They should never get above 150 deg C and ideally should be less.

Stuart

LP32:
Problem solved "maybe" I tried all the sugested stuff and with no luck as it nearly overheated again. I have checked the viscous coupling on the fan and its not working :oops: Instead of replacing the unit I think I will go electric is there a Kit that is a direct replacement. Thanks for all your help.

Evilgoat:
I dont think there is.
You'll need a stat and fan, plus wiring. As its going in a Vit engine bay use good connectores such as the superseal ones simtek sell. It'll need to go on a new circuit as there isnt anything man enough on the loom as it stands.

Running it all the time will rob a fair few HP :(

Stat can be had from just about anywhere, I belive both paddocks and d4x4 carry them. Fan, you should be able to get from a scrappy, VAG aircon fans are small and damn powerful and a relay depending on the stat. Make sure the relay coil/stat is supplied from the ignition else you'll get the fan 'running on' after you turn it off. That said I know a fair few cars that do this. And remeber you only have a 40A alternator on an 8V carb as standard.

Or you could beg a viscous unit of someone for a few beer tokens :)

OR get a fron mounted fan and have both :)

StuartL:

--- Quote from: "Evilgoat" ---Or you could beg a viscous unit of someone for a few beer tokens :)
--- End quote ---


There's a possibility that I'll have a viscous coupling free in a few months.  Certainly not within a fortnight...

LP32:

--- Quote ---There's a possibility that I'll have a viscous coupling free in a few months. Certainly not within a fortnight...

Thanks for the offer but need something sooner rather than later, let me know when available and if I am not sorted the tokens are yours :)
--- End quote ---

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