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How do you fine the timing marks for a water pump It is for a 1989 LeMans Pontiac The time belt is with the water pump?
Rmhsdk
There are no timing marks on the water pump.the only timing marks are on the crankshaft and camshaft gears.And if you're working on a quad-four engine as I suspect you are,you will need to line up the holes in the cam sprockets with the holes in the block and insert pins to hold them in place.The correct size drill bits will work good for this if you don't have the special GM tool.
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∙ 18y ago
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What is the timing belt configuration on a 1991 Pontiac lemans?
The 1.6L engine has a single cam pulley, a water pump pulley used to tension the timing belt, and a crankshaft pulley. The pulleys are concealed by a plastic cover with a rubber seal.
Where is the water pump on a 1991 Ponitac LeMans?
Follow the timing belt clockwise it is the first or second pulley after the crank pulley under the timing cover
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The timing configuration on the lemans is on the V shaped grooves that are on the housing on the engine side and on the sprokets themselves. line them up exactly and it should be fine, I found that looking downward onto the housing while turning the sproket works best, by the way the water pump tends to move the belt when you are setting it back into place so compensate by moving the sproket in the opposite direction.
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What happens if you are replacing water pump and do timing belt also and cant get timing marks lined up?
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How do you replace the water pump on a 1988 Pontiac Le Mans?
The water pump on a lemans is ran by the timing belt. The pump is not like a conventional water pump being that the housing is actually cast into the block the pump itself is just an insert that goes into the block. You have to take loose 3 Allen head screws and pull the pump from the housing there should be an o-ring on the back your new pump should have one. Put all of it back in reset the timing and replace the timing belt remember the water pump drive sets the tension on the timing belt so put tension on the gear and tighten the Allen screws and you're done
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YOUR 1990 MAX SOULD HAVE A VG30E MOTOR THAT WAS THE STANDARD.AS FOR THE TIMING MARKS THEY ARE NOT RELEVENT TO THE WATER PUMP.BUT ONLY TO THE TIMING BELT.FOR IMFO ON THE R&R OF WATER PUMP TAKE A PEEK AT MY BIO PAGE I'VE GIVE DETAILS TO OTHERS ON THIS SUBJECT....BUDDY MACK
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