fat-thomas

iTrader: (4)

does anyone who has an external oil cooler fitted ever drain the cooler when changing the engine oil?

i have a mocal one with the thermostatic sandwich plate so i assume the oil doesnt drain out the cooler with the thermostat closed.

Steve Whitehorn

iTrader: (13)

Mine is never drained.
I have come to accept that only a certain percentage of the oil will come out during an oil change.

jazzyjembreaze

iTrader: (11)

You can disengage your lines from the sandwich plate ( let them hang ) my cooler sits at the front & the fittings are at the bottom ...
I know your's is fitted at the side. Are your lines at the bottom of cooler ?

fat-thomas

iTrader: (4)

no top of cooler,only way to disconnect is remove the bumper so obviously not ideal.
I'll under the lined from sandwich plate at let it run back

birchy2010

iTrader: (12)

If you've drained it though do you prefill the cooler? Otherwise when the stat opens it will flow air into the system rather than oil won't it?

domino46

If your fittings are at the bottom then all the oil inside the cooler will drain back into the sump once you switch the engine off and then it has to be refilled again when you restart ?

Tidgy

Dont forget to replace it with well used chip oil, best there is for your engine thomas

fat-thomas

iTrader: (4)

tesco value oil...

Blue by You

iTrader: (23)

This ^^^
Mine is never drained during oil changes.

fat-thomas

iTrader: (4)

i pretty much guessed this was the case, just checking what other people do really.
it doesnt hold too much oil so in comparison to the sump anyway.