Coolant Leak from Timing Chain Cover
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Senior User
Joined: Jun 2007
Posts: 101
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From: Darby, PA
Coolant Leak from Timing Chain Cover
I had this pesky small leak for about 18 months now. Took truck in for inspection and they told me they noticed this leaking. The whole time I thought it was the lower water pump gasket. Damn, to replace that is sort of a big job. I'll just wait until that goes or the water pump before I play with it. I only lose about a pint every month (1.5K). Anyone had this problem?
3.0 V6 2WD
3.0 V6 2WD
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
had a block leak once used the BArrs stop leak with the little beads in it. Was recommended by the machine/radiator shop. sold the car 10 years later never had any more problems. Might help you
Junior User
Joined: Dec 2007
Posts: 68
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From: Sams Valley, Oregon
I have the 4L but had this same problem. Luckily I was able to fix it without pulling the pan, and the job only took a couple hours. if you do it without pulling the pan you have to be sure you cleaned everything real well though.
Elder User
Joined: Oct 2007
Posts: 620
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From: Ishpeming Mi.
I suspect the waterpump itself is dying. Of course, to replace it you have most of the front already removed, might as well replace the t-stat, hoses, and any other potential problems you may have. You will already be doing the teardown to get to the timeing chain area. My wife put the new waterpump et-al back together in 2 hours, so the job isn't as bad as you may think.
And use Never-seize on all the bolts that you pull.
A digital camera documenting your dis-assembly can also be quite useful.
And use Never-seize on all the bolts that you pull.
A digital camera documenting your dis-assembly can also be quite useful.
Elder User
Joined: Nov 2003
Posts: 963
Likes: 1
From: wichita kansas
I will second the digital camera suggestion. Anymore it doesn't matter much what I do I will take a picture of it before I start so that just in case something doesn't go back together right I can look and see what went where. Figure that it is easier to take a picture I don't need than to try to figure out what went where.
Post Fiend
Joined: Oct 2005
Posts: 5,242
Likes: 0
From: Kiev, Ukraine
Between bearing and seal there is a dot letting coolant leack out if seal is worn. it increases bearing life a bit and let you drive to workshop with leaking pump, Ignoring leaking may cause seized pump...
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