What should I do to my Duramax water pump?
Once you get the fan and cage out of the way its no different then the older duramax’s. Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in.
How long is the water pump on a GM Truck?
I want to smack the GM engineer in the head who came up with that fan shroud design on the 2006+ trucks. That thing is the devil. Click to expand… Id rather punch the guy who clocked the one water pump housing fastener behind the balancer. Water pump would be a two hour job at most if it had been designed just a hair differently.
How do you lock a GMC water pump?
Now there are two ways to lock your flywheel this way. You can use the factory flywheel hold tool, J-44643, or you can use a 15mm socket and extension on one of the torque converter bolts, then when you rotate the crank it will contact the bellhousing and hold the flywheel.
Do you have to pull starter on GM water pump?
Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in. If you get the Lisle tool kit you can shave off an hour or better right there by not having to pull the starter.
Once you get the fan and cage out of the way its no different then the older duramax’s. Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in.
I want to smack the GM engineer in the head who came up with that fan shroud design on the 2006+ trucks. That thing is the devil. Click to expand… Id rather punch the guy who clocked the one water pump housing fastener behind the balancer. Water pump would be a two hour job at most if it had been designed just a hair differently.
Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in. If you get the Lisle tool kit you can shave off an hour or better right there by not having to pull the starter.
How long does it take to fix a water pump?
Alldata says 5.9 hours. Mitchell’s says 7.5 hours. Preparing correctly, it can be done in 4 hours. Dealer quote will most likely land in the $1100 parts and labor.
How does Bosie seal a Duramax water pump?
For the ultimate seal, Bosie combined the supplied water pump outlet gasket with a coat of RTV silicone. In addition to ensuring a leak-free seal, the use of silicone helps hold the gasket in place while the pump is being installed.
Is the water pump on my 2001 GMC LB7 Duramax leaking?
The water pump on my 2001 GMC LB7 Duramax had been leaking for some time – we’ll discuss the exact symptoms in a moment. I knew the pump had to be replaced, so I began accumulating the information I needed to do the job correctly. I wanted to know what parts were preferred and which ones should be avoided.
How old is the GM Duramax water pump?
The 13-year-old, 251,000-mile factory water pump was on its way out. After getting a quarter-million miles out of the original water pump, it was an easy decision to stick with an OEM unit.
What are the symptoms of a Duramax water pump failure?
Duramax Water Pump Failure Symptoms 1 Engine overheating 2 Leaking engine coolant 3 Frequent low coolant warnings / refills 4 Water pump is making weird squeaking noises 5 Steam coming from the radiator
How to seal a Duramax water pump shaft?
The local welder I employed was told about the seals and the need to go slowly to reduce the amount of heat put into the shaft. The welder set the impeller side of the water pump in a shallow pan of water and used a wet-saturated rag on the gear to keep heat soaking to a minimum.