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oil pump replacement
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  1. TrailBlazer / Envoy Chat
    My 2005 trailblazer ls had an oil pressure problem then while driving just turned off. The motor cranks but does not start does it just need an oil pump replacement? Shouldn't it turn over for just a couple seconds?
  2. The 02-09 "How-To" and DIY Section
    I have to replace my oil pump in my Envoy due to getting low oil pressure messages on the dash. I have changed the oil pressure sensor and this did not fix the problem. I would like to get instructions on how to replace the pump if that is possible. Does anyone here have the manual? Thanks. Nick
  3. OEM Issues
    Please help I Need Advice I have 2005 Envoy Denali XL(4x4) it runs for a while then the oil pressure drops to zero.The mechanic drains the oil and finds some ground metal. A tech from a Chev Dealer came out and ran tests. He's says the oil pump needs to be replaced but with all the labor...
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