99 Malibu water pump
knah128
07-27-2005, 09:54 AM
Can anyone advise me about replacing a waterpump on 99 malibu. I 've been told it is an internal water pump that requires removal of the timing chain and exhaust manifold to replace. I assume this means it is a very labor intensive job. What can I expect to pay for this job??
Thanks for any advice.
Thanks for any advice.
steve_o
07-27-2005, 10:32 AM
Is yours a V-6 3.1 L ?
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
knah128
07-27-2005, 01:26 PM
Is yours a V-6 3.1 L ?
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
It is a 4 Cly. the water pump has a sprocket that is drivent by the timing chain instead of a pulley. Thanks
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
It is a 4 Cly. the water pump has a sprocket that is drivent by the timing chain instead of a pulley. Thanks
knah128
07-27-2005, 01:27 PM
Is yours a V-6 3.1 L ?
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
It is a 4 Cly. the water pump has a sprocket that is driven by the timing chain instead of a pulley. Thanks
I replaced mine on my 1998 and did not have to remove the exhaust manifold or the timing chain.
I did have to release the tension on the belt to remove it from the water pump pulley.
If I remember correctly I needed a universal swivel socket to get at the water pump bolts through the holes in the pulley. New pump, gasket and some silcon, I was not too difficult.
It is a 4 Cly. the water pump has a sprocket that is driven by the timing chain instead of a pulley. Thanks
bcopeland
07-28-2005, 10:59 AM
If I am not mistaken, it is near the rear firewall? Seems like a job for the pros.
mikept03
07-28-2005, 05:10 PM
If I am not mistaken, it is near the rear firewall? Seems like a job for the pros.
I would also suggest paying to have it done unless you really know what you're doing. If you don't get the timing belt on there correctly you could easily destroy the engine. Unless it's been done recently, I'd also have the timing belt replaced with the water pump while its easier to access.
I would also suggest paying to have it done unless you really know what you're doing. If you don't get the timing belt on there correctly you could easily destroy the engine. Unless it's been done recently, I'd also have the timing belt replaced with the water pump while its easier to access.
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