How long does it take to change a waterpump on a Duramax?
Due to the water pump’s location on the Duramax, it’s often a dreaded process to replace it. Some horror stories even claim the job can take as long as 8-12 hours to complete.
How do I know if my Duramax water pump is bad?
About the only indication of a bad water pump is for it to leak out the weep hole at the water pump. Check for stains on the lower hose where it attaches to the pump, then look up further and see the weep hole.
How much does it cost to replace a water pump on a Duramax?
The Best in Auto Repair The average cost for a GMC Sierra 2500 HD water pump replacement is between $650 and $896. Labor costs are estimated between $402 and $508 while parts are priced between $247 and $389.
How do you lock the flywheel on a Duramax?
The tool is simple to use, remove the inspection window cover on the transmission, slide the flywheel lock tool through the inspection window until it engages the flywheel. Turn the flywheel lock tool handle to lock the tool in place. The crankshaft bolt is now ready for removal.
What size is the harmonic balancer bolt on a Duramax?
36mm 12 point no puller is needed.
Is the water pump on the LB7 Duramax leaking?
Water Pumps – Another issue with the LB7 Duramax is the water pump leaking. This one is fairly common and unfortunately a huge pain in the butt to change. Water will seep from the underside of the pump. Be prepared though because you will have to remove the dampner pulley to get the pump off.
How big is socket for Duramax water pump?
In case you were wondering, this is why the 36mm socket for the balancer has to be a 12 point. Finally, don’t forget to remove the locking tool and re-install the inspection door. That Lisle tool set was the best thing to happen to Duramax waterpump replacement, period.
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.
Are there any issues with the Duramax fuel pump?
The new injectors available from us and others are updated and do not have the cracking issue. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank.