How to replace the Waterpump on a Duramax Diesel?
How to replace the Waterpump on a Duramax Diesel?
Use the nippers or the pin pliers for the pins. Unhook the A/C line from the shroud clip. Remove fan shroud. 6) Install the cardboard, plywood or sheet metal over the engine-side of the radiator. If you dont do this step, you had better be EXTREMELY careful from now on.
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.
Why is my Duramax water pump leaking coolant?
The water pump’s coolant-side seal is there to contain this pressure against a spinning shaft. Over time, this seal will wear until it begins to leak coolant. That’s your cue for a need to install a new pump.
Is the Duramax water pump still corrosion resistant?
From a corrosion standpoint, all wetted surfaces involved with the water pump are as pristine as when they were first assembled more than 16 years ago. This means that Dex-Cool is vastlysuperior to any other coolant used by GM.
When to replace a Duramax water pump seal?
An overnight shutdown in cool weather should result in the upper radiator hose having little to no residual pressure. If the root cause of a water pump seal leak is due to overpressure, simply replacing the water pump will just buy you a little time.
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 to replace a water pump in 1 HR?
Flywheel hold tool whether it is the Lisle 22100 (comes with 36mm socket), the factory tool, or a socket with an extension that you stick onto a torque converter bolt. More on this later. HOW TO DO IT!!! 1. Get all of the parts and tools around. 2. Get a reason to do it in 1 hr 3. Get some liquid for of energy if needed. 4.
What do you need to replace a Chevy water pump?
Here is the stuff you will need. Water pump: NAPA PN: WP58595 You dont have to buy a NAPA one but your local autoparts store can cross this number. Fan Clutch service tools. you will need to 47mm wrench, and the holder with pins.
What’s the fastest way to replace a water pump?
The fastest and easiest way is to use the Lisle tool which you insert through the inpection hole in the bellhousing. It is very fast. The other way is to remove the start. To remove the starter you just need to remove the two mounting bolts using a 15mm, then lay it to the side out of the way.
Here is the stuff you will need. Water pump: NAPA PN: WP58595 You dont have to buy a NAPA one but your local autoparts store can cross this number. Fan Clutch service tools. you will need to 47mm wrench, and the holder with pins.
What causes a water pump to fail on a Duramax?
With water pump failure striking anywhere between 130,000 and 250,000 miles on a Duramax, we’d say the factory unit on this ’06 LBZ had a pretty good run. When water pumps fail due to age or miles, it’s typically the fault of a worn pump seal, which in turn allows coolant to leak from the weep hole located on the top, gear side of the pump.
How long does it take to replace a Duramax Waterpump?
Many thinks to Eric Merchant and his employees, to Adam (Malibu795) for much of the initial info (including the 1/2″ extension in the flywheel trick), and also to many other people who have taken these instructions and added to them over the past year. I did not take any pictures, as there was no time. It took me 6 hours.
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.
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.
The water pump’s coolant-side seal is there to contain this pressure against a spinning shaft. Over time, this seal will wear until it begins to leak coolant. That’s your cue for a need to install a new pump.
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.
