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V8-6.6L Turbo Diesel

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Power steering leak and HVAC fan problem
Hello. It would first need to be determined where the power steering leak is coming from. Your blower motor or resistor could be bad and be the reason you are having the problem with the HVAC fan speed. Because the...
Question
Put gas in car instead of diesel
Hello. It is important that you do not drive this vehicle anymore until you can get it repaired. Your fuel system will need to be flushed, the fuel pump will need to be replaced, and it is possible that the...
Question
Idling high
Hello. It sounds like you are experiencing either an ignition timing problem or an issue with the carburetor. Most of the time if the engine runs fine at higher speeds, this is caused by a carburetor issue. The throttle plates...
Question
No power at all
Check the voltage at the battery terminals for 12 volts at rest. While cranking the voltage shouldn't drop very much, about 10 volts. Jump the vehicle and observe the voltage while it's running. If the voltage isn't above 13.5 volts,...
Question
White smoke from tailpipe
Your engine is getting coolant into it and producing the white smoke out the tail pipe. The coolant could be getting into the motor from the intake, head gaskets, or head crack. The system would need to be checked to...
Question
ABS light, brake light, and engine power loss flashing on screen
Hi there, thanks for writing in. This is a typical and common problem with multiple vehicles that have sensors that monitor systems like ABS. The general issue is that when it gets damp and wet, the sensors absorb the liquid...
Question
Master window lock feature quit working.
Hey there. The power window lock out is controlled by the drivers door window switch. The signal for the lock goes through the body control module (BCM) to signal the other windows switches to let the windows open or not....
Question
Truck still has no power at all
This sounds like some kind of an electrical short somewhere or potentially a faulty alternator. If there are any check engine lights on I would suggest having the truck diagnosed with a scanning tool which would reveal any fault codes....
Question
Why does my injector keep leaking?
Hello. If the rubber O-ring keeps burning off then it may be possible that the engine is running too hot. I would check to see if any heat shields or similar components are out of place, or if the engine...
Question
Fuel filter loses its prime and the Check Engine Light is on - code P0907
It sounds like you may have an issue with your fuel pressure regulator. If the fuel pressure regulator is malfunctioning, this can cause a loss of fuel pressure. If fuel pressure is lost or drops below the manufacturer's specifications, the...
Question
how munch does the rear differential hold?
Hello there, the fluid capacity of your 2002 Chevy Silverado 3500 rear differential is determined by a few different factors. The normal capacity is approximately 4 quarts. This changes based on if your truck is equipped with the limited slip...
Question
The bushing in the extension housing spins out. I have new extension housing, yoke, drive shaft, and u joints.
Hi there. From the description you have provided, your vehicle's extension housing bushing repeatedly spinning out, something is being overlooked. Replacing all the components, without determining the cause, is not working. My thought is, look into the pinion angle of...
Question
P0483, with engine overheating.
Hello. P0483 is the trouble code a "Cooling Fan Rationality Check Malfunction. If the computer detects a discrepancy between the cooling fan's commanded state of operation, versus the actual state of the circuit, it will set off this code to...
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The temperature gauge is low and the engine does not get enough power
The issues you are experiencing can be caused by a few different things. One common cause is an issue with the engine temperature sensor. If the sensor goes bad it may not give the computer an accurate signal, which may...
Question
"Service Stabilitrak" has come up on my dash and I do not know what it means?
Hey there. These messages are there to tell you that the main computer has detected an issue with the systems. The warning lights are very general. They can mean the system is malfunctioning, the system has been turned off, or...
Question
My 2004 Chevy Silverado is having cooling system problems
Hi there: On a 2004 Silverado 6.6L Diesel there is a heater hose bypass valve that opens when the heater is activated. Sometimes this component can become stuck due to corrosion inside the coolant lines or a sensor that has...
Question
Leaking coolant - 2004 Chevrolet Silverado
Hi there. Depending on what edition of the Silverado you have the leaking coolant may be coming from the radiator overflow reservoir. It might also be a heater bypass tube that's damaged. The reservoir is used for overflow, as coolant...
Question
My system says there is water in the fuel
Hi. Yes, water in the fuel will cause knocking. I would advise doing a fuel system maintenance - drain the fuel system all the way to the tank, including the tank. This will get rid of any water and contaminated...
Question
No start. Not getting fuel. Low voltage at pressure regulator and happened suddenly
The glow plugs are working properly as well? I know of these being a common factor in hard starts and no starts on diesel trucks. Low fuel pressure is a good sign that there may be trouble with the fuel...
Question
How do I fix my fuel gage in my truck?
This is a problem likely related to your fuel tank sending unit.This is a small float type component inside your fuel tank that measures the level of the fuel inside the tank. As the fuel level drops, the float level...

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