Thursday, September 15, 2011

Easy way to change water pump on 1995 grand cherokee laredo?

For starters, go buy a Haynes manual from your local parts store for your model. They are perfect for the shadytree mechanic, with pictures and step-by-step outlines on what needs to be done. Next, this is a moderate job, not too hard. First, remove the negative battery cable. Then remove the serpentine belt system on the front of the engine. This usually means loosening the power steering pump bracket that keeps pressure on the belt. Next, remove the upper radiator hose from the thermostat and tie back. Then remove the hose from the outlet tube on top of the water pump to the heater core and tie back. Next, remove the radiator fan clutch and fan. This is simple and self explanatory when you see it. Just make sure to keep pressure on the fan, otherwise it will spin and possibly cut you. You may need to remove some power steering pump bracket bolts that also run through the water pump body. When this is clear, remove the remaining bolts from the water pump body and remove the water pump. You will need to clean the mating surfaces on the engine to free the old paper gasket. This is also a good time to change the thermostat, as this may have added to the water pump failing. Once this is done, install the new water pump and gasket- thermostat and gasket- and all parts in opposite of removal.

1. Make sure you clean the mating surfaces thoroughly.

2. Any debris that makes it into the engine block MUST be removed before reinstallation.

3. When reinstalling the belt, make sure tension is at 3/4 to 1%26quot; of play (Once installed, pull up with one finger to find tension).

4. To avoid airlock after installation, which keeps the thermostat from opening at high temps, fill the block with cool water from the thermostat housing opening before reinstallation of the thermostat. Fill until the water pours freely from the hole, with the water pump already installed.



I hope this helps, yet these are only guidelines. The Haynes manual, which usually run 10 dollars, will guide you through this process. Just make sure you remember #4, this is a routine problem when working on a cooling system, and can cause headaches if not performed properly. Doing this yourself will save you hundreds, so Good Luck.Easy way to change water pump on 1995 grand cherokee laredo?The easiest way to change that pump is to pay someone else to do it..
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