» » »

Pontiac Q&A

Ask Your Question

1992 Pontiac Grand Prix Question: Water pump going bad warning signs

 

Question

jak2767, 3.1L V6, Toledo, OH, March 28, 2011, 21:25
 Rookie

I have noticed coolant on the serpentine belt as well as squeaking on occasion ,recently it has been getting worse .

1 Answer
Flag This
  • Answer #1

    patrick mannion from Greg Solow's Engine Room, March 28, 2011, 21:42
    Profile_thumbnail
     Master

    A water pump that is going bad may first leak, it may make growling sounds when the engine is running (grumbling sound) and or you may "feel" excess play in the water pump bearings. Looking for a leak is a dead give away. The way an automotive shop would locate the leak is by removing the radiator cap and attaching an adapter that screws on in place of the radiator cap. Something that looks like a bicycle pump with a pressure gauge attached to it is used to "pump up" pressure to simulate pressure generated when the cooling system is at operating temperature, the leak is then found sometimes it is obviously leaking from a coolant hose or cracked housing, failed gasket or water pump, sometimes the engines cooling system needs to be inspected from below or inspected using a mirror and flash light.

    Flag This
  • Reply

    Visitor, March 30, 2011, 17:05

    thanks , it definitely sounds like water pump ,i did notice the grumbling sounds when starting the car ,

    thanks again

    Reply
    Flag This