Coolant leak...what to do
08-28-11, 07:16 PM
#16
wow that's a nasty crack! If it's just the front of the water pump then you can get away with replacing just the front water pump housing. If that damage has creeped to the back portion of the water pump housing then the entire unit needs to be replaced. Either way that timing belt and serp belt needs to be replaced as they are both probably soaked in coolant. It probably goes without saying, but i wouldn't drive your car around at all like that.
And DONT put JB weld on it, the patch fix can work it's way into the rest of the cooling system and just do more damage. I've seen it done when a guy cracked his upper radiator neck on his ford probe and patched it up with a ton of JB weld. A month later his water pump locked up and we found bits of hardened JB weld when he pulled off the water pump. Save yourself some time and spend your money on the proper repair the first time.
And DONT put JB weld on it, the patch fix can work it's way into the rest of the cooling system and just do more damage. I've seen it done when a guy cracked his upper radiator neck on his ford probe and patched it up with a ton of JB weld. A month later his water pump locked up and we found bits of hardened JB weld when he pulled off the water pump. Save yourself some time and spend your money on the proper repair the first time.
08-28-11, 08:13 PM
#17
Lexus Test Driver
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I shoulda been more clear. I wasnt planning on jb welding and daily driving. I actually discovered the crack today and ordered a new aisen pump/housing. I was just curious if jb would hold up 17 or so miles to my buddies shop this coming weekend so I can use air tools and have room and guidance on what i'm doing.
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