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timing chain

  1. New cylinder heads after 90k miles and failing timing chain tensioners

    Northstar Engines and System Technical Discussion
    As a result of driving on LPG, I experienced compression leakage during cold run on cyl. #1. Both the inlet valves leaked as a result of burnt valves/seats due to lean mixture burning in cyl.#1 causing a higher combustion temperature. The lean mixture was a result of bleed air being mixed at the...
  2. priming oil pump

    Cadillac Escalade, EXT and ESV Forum - 2007-2014
    I have a 2011 Cadillac Escalade hybrid 4wd, I had the timing chain replacement yesterday and I packed the old oil pump with Vaseline. After putting the car back together I turned the car on and the oil pump didn’t prime. I tried to prime it by pouring oil from the drivers side access bolt to the...
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