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Thread: Coolant/oil problem astravan 1.7 dti 16 valve isuzu engine

  
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    Coolant/oil problem astravan 1.7 dti 16 valve isuzu engine

    Hi there,
    I have a problem with my recently purchased 2000 Astra Van 1.7dti. Isuzu engine.

    I first noticed that my heater had stopped working properly.

    I thought that there might of been an airlock, the coolant level was low. Heater seemed to work ok after this.

    The next day I checked my coolant level and it was very low again. I also checked my oil level which was high (to the point I had to drain some out).

    After draining some oil out I filled coolant up and limped the car to my dads house so that we could have a look at it. Again the coolant had disappeared and oil level had risen. There were also traces of oil in the coolant reservoir.

    We have now changed the head gasket (at the same time we changed the timing belt, water pump, fan belt, oil filter etc).

    Drove back home last night & heater stopped working again. Upon checking coolant level has dropped again & level in oil has risen.

    When we were working on the head all the cooling system had lots of oil traces in. The EGR and inlet manifold were thick with gunk.

    Not sure what to do now, we have thought about trying to bypass the oil cooler to try to eliminate the oil cooler.

    Does anybody else have any ideas where to go from here?

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    astrasteve's Avatar
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    check the pipe that goes from the heater matrix in to the right hand side of the engine in to the thermostat housing,
    they are prone to rubbing and it only leaks when you are driving or reving the engine so get somebody to lift the revs for you and have a look, a torch will help even in the daylight

    hope this helps
    steve

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    bypass the oilcooler of fit a new one

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    bypass it for sure

    it does pretty much feck all in our climate anyway

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