water pump

  1. Boiler89

    [SOLVED] Moaning noise

    Hi there, New to the 5.3 ecotec. I recently bought a 2018 Yukon XL SLE. I didn’t really notice it when test driving it, but have started to notice a moaning sound on startup and acceleration. Kinda sounds like a power steering pump, but I know it’s not since these things are electric power...
  2. CruelJung

    Disappearing Coolant, Water Pump Replacement, & Other Curiosities

    I have been nursing a case of runaway coolant for quite some time, only dabbling in inspection beyond ruling out a blown head gasket (via oil inspection and, more recently, analysis) and checking for easily found leaks. It hasn't been a heavy leak, just maybe 1/2 to an inch below the 'full when...
  3. qthor

    Replacing Radiator, Water Pump, Thermostat, Fan Clutch

    So I have a 04 Yukon Denali and the radiator has been leaking for a while along with the water pump. Ive owned the truck since Oct 2015 and this is my second time replacing the water pump and my first time replacing the radiator. Intinitally I knew the radiator was leaking but after I while I...
    • qthor
    • Thread
    • aluminum coldcase denali gmc lq4 radiator thermostat water pump yukon
    • Replies: 12
    • Forum: Engine & Drivetrain
  4. S

    Busted hose P1258 P0117

    Driving today and couldn't accelerate past 20mph, very headstand in accelerating as well. Got home and smelled antifreeze. Turns out it's a busted hose. The bigger question is why does my oil read 0% when I just got an oil change last Thursday???
  5. qthor

    Question about parts to take off of a 03 Denali that's about to be junked. Good opportunity

    I have a 2004 Denali and have a buddy that's about to junk one because he has 2 so he told me to pay him and I can come take whatever I need off of it before he gets rid of it. But he has an 03. My question is what should I definitely take besides the list of parts that I already have. I do need...
    • qthor
    • Thread
    • a/c compressor ac compressor clutch air conditioning compressor denali parts radiator transfer case water pump yukon
    • Replies: 5
    • Forum: General Discussion
  6. W

    What is normal fan/fan clutch behavior on cold start?

    What is normal fan/fan clutch behavior on cold start on a cold day? Mine seems to be locked up with the fan spinning on cold engine and stays this way until I drive for a few miles (you can hear the fan spinning full tilt and blowing air with engine speed). Once I'm out driving, it seems to...
  7. ZGHOE05

    Cooling system woes

    250,000 mile 05 z71 with an overheating problem. Started as a leaky fitting to the heater core so I dumped in the fix leak because I was lazy problem solved, so I thought a year went by no problems . Fast forward to a month a go and truck is getting warm in traffic (less than 15 mph)but never...

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