What should the pressure be on a Duramax water pump?

Normal cooling system pressure is in the range of 8-10 psi. 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.

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.

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.

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.

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 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.

What should the pressure be on a Duramax water pump?