Questions & Answers for: GMC Sierra 1500HD hot water heater oil working

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heater core compression fitting removal! is there a tool? I am having to replace the heater core compression fitting but am unable to remove the old one is there a tool for this? is there anyplace i ...

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Question about 2001 Sierra 1500HD

3 Answers

...water. NO more that 60/40 we run 3, 3412 740hp running pumpsat on, 2 of them we were droping inlets valves at 6000hrs & running hot at 103degs in summer we change rads on 2 of them & fit big ...

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when i first start my truck in the morning the tapes knock for about a minute or two and then stops. why? Hopefully it's your oil wgt is incorrect for the temp. Try changing your oil and using a good ...

why does my 2001 gmc 1/2 ton 2 wheel drive have no 3rd or overdrive at all ? all the other gears work ok. trans oil is clean and not burnt. 4.8 l 460 trans ? ...

Question about 2001 Sierra 1500HD

2 Answers

I change the oil myself on my 2001 GMC Sierra 1500 HD. I have noticed an oil residue on the oil pan and filter. The oil pan plug will also have a drop of oil on it and ready to drop. The leak will ...

Question about 2001 Sierra 1500HD

1 Answer

...oil seal Water pump (See: Water Pump) Camshaft sensor electrical connector Camshaft sensor bolt and sensor Crankshaft Position (CKP) sensor connector, bolt and sensor CKP sensor spacer bolts and ...

Question about 2001 Sierra 1500HD

2 Answers

...working Check the fuse , the seat heater is on a seperate fuse due to the amount of amps they draw. Please take a moment and rate my answer.........thanks is the seat electric if so could be fuse or ...

Question about 2001 Sierra 1500HD

1 Answer

...hot air. 1 thermstat has been replaced 2 could water pump be bad 3 water does not seem to be circulating through the hoses. 4 the air mixer under the dash seems to be workig. If the thermostat was ...

The heater fan on my 2006 GMC Sierra only blows to defrost. Directional control switch doesn't change it. Most likely is your blend door is faulty (bad motor/broken tab?).Defrost is the idle ...

Question about 2006 Sierra 1500HD

1 Answer

...blow hot air heater doesn't work when turned on. could be heater core, thermostat, or the water pump. could even be a head gasket if you notice smoke from the tailpipe or milky looking

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