I have a 98 1500 with a new water pump,thermostat, and less than yearold radiator. After replacing the water pump the water temp wont rise at all, jt runs a little rough what can it be?

Asked by Feb 25, 2014 at 06:47 PM about the 1998 Chevrolet C/K 1500 Silverado Standard Cab LB

Question type: Maintenance & Repair

It also is pushing water out of the cap
after being driven. It isnt using water
though, so i dont think its a head
gasket

1 Answer

15,135

There are two type of water pumps. One for serpentine belt drive that moves the water in reverse of the other v-belt drive. Also the thermostat can be put in upside down, stopping water that is cold from flowing. If upside down, it prevents the water from flowing when it get hot. Were the hoses changed also when all this work was done?

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