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Intermittent coolant temp rise l322 4.4 v8

Discussion in 'London' started by RRV8Vogue, Apr 25, 2016.

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  1. RRV8Vogue

    RRV8Vogue Member

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    Hi Landyzonians
    My beloved l322 4.4 v8 has got my stressed again.
    It all started will a burst expansion tank!!:( then after change of expansion tank a day later there was overheating when my sister took the car out she managed to get it back to hers with great patience, then i picked up car 4 days later no overheat whatsoever hard reving tick over hard drive cruise sitting in traffic or at the lights?!! Despite all that, i fitted brand new champion radiator new behr oil cooler and behr oil cooler thermostat, ( with the help of the amazing Saint V8's video and how to write up ) filled up with about 14 litres of coolant /distilled water. Drove the car round for a few days dad took it to St albans m25 and back to enfield no probs i drove it around town etc no probs but the today got half way to Heathrow to pick my sister up and the temp rose 3/4 and jept going back down to half then stayed there then went back up 3/4 never over then when siting in traffic it went back to normal for bout 5 mins then rose to 3/4. It would suddenly just jump from 3/4 to 1/2 like someone opened a floodgate in the engine lol. Suspect themostat?? Any help guys?:)
     
  2. RRV8Vogue

    RRV8Vogue Member

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    Oh i also noticed around expansion cap was wet and i could hear hissing?
     
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