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2002 2003 2004 2006 2007 4.2 4wd 4x4 a/c abs actuator air conditioning air suspension alternator amp arnott audio battery black bose brakes check engine light clean coolant custom differential electrical engine envoy exhaust ext fan clutch fuel fuel pump fuse gas gmc grille headlight headlights hid hids hvac idle ignition ignition switch install interior introduction leak led lift lift kit lifted lights misfire mod mods no start noise oem offroad oil olds bravada oldsmobile bravada p0300 paint pcm power steering radio rear reduced engine power replace rims rough idle sensor shocks speakers ss stalling starter stereo struts subwoofer suspension swap switch tbss tccm throttle body tires trailblazer transfer case transmission transmission problems vibration water pump wheels wiring xuv
  1. OEM Issues
    So... My wife went out for the groceries this morning and returned with a funny look on her face. Seems the Envoy (extended 2003 4.2L XL with 105k miles) developed a whine once she started the engine in the parking lot en route back home. The whine is VERY noticeable and changes as the engine...
    envoy water pump bearing
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