Hot oil 2.1wb

Big lumps of metals and spanners. Including servicing and fluids.

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silverbullet
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Re: Hot oil 2.1wb

Post by silverbullet »

Ever seen the oil temp gauge in an original Audi GT coupe or a Mk1 GTi?
130*C is middle of the scale and it reads to 170...

Thats pump discharge temp btw
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itchyfeet
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Re: Hot oil 2.1wb

Post by itchyfeet »

as you say depends on where it's measured, maybe ok then.

https://en.m.wikipedia.org/wiki/Motor_oil" onclick="window.open(this.href);return false;

In petrol (gasoline) engines, the top piston ring can expose the motor oil to temperatures of 160 °C (320 °F). In diesel engines the top ring can expose the oil to temperatures over 315 °C (600 °F). Motor oils with higher viscosity indices thin less at these higher temperatures.

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marlinowner
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Re: Hot oil 2.1wb

Post by marlinowner »

I have one of the 170deg Audi gauges in my SA 2.5 bus, when I fitted it (tested with sender it showed 100deg in boiling water) using the high oil pressure switch location it ran at around 120deg, going up to 130deg on a motorway run. At the moment I have a sump mounted sender and it doesn't go above 100deg.
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Re: Hot oil 2.1wb

Post by silverbullet »

The standard oil temp sender location on the 5-cyl is in the bottom of the front cover/oil pump, on the left hand side near the crank pulley.

But we digress...

I wonder if a foreign body has found its way into the sandwich cooler water connections and has blocked it? They are 10/11mm hoses though, would have to be a chunk of gasket or a big blob of silicone thats become detached :idea:
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itchyfeet
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Re: Hot oil 2.1wb

Post by itchyfeet »

I'd take coolant pipes to oil cooler off and check coolant is flowing through it, maybe got clogged up after tge coolant was changed
^^thats my thinking which is why I say check coolant flowing through oil cooler
metal link pipes are probably closer to 8mm bore
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Ian Hulley
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Re: Hot oil 2.1wb

Post by Ian Hulley »

itchyfeet wrote:
I'd take coolant pipes to oil cooler off and check coolant is flowing through it, maybe got clogged up after tge coolant was changed
^^thats my thinking which is why I say check coolant flowing through oil cooler
metal link pipes are probably closer to 8mm bore

Given it's proximity to the water pump I very much doubt the oil cooler will be blocked :wink:

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