Head Gasket 3.9 with 130K miles - Page 2 - Defender Source
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  #21  
Old February 3rd, 2015, 09:39 PM
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Jimmy
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Originally Posted by Angus View Post
As was mentioned earlier in the post, I would also replace the timing set and the accessories on the front cover. When I rebuilt my 3.9, one on the most worn parts was the timing set. I replaced with a Cloyes double row set. Then, since the heads are off, i thought why not replace the cam too...and the oil pump...The next thing you know, I had a complete rebuild. Then while I had it out, the trans need some work too. It a sickness...

Seriously, consider changing the timing set, it is probably as bad as mine was at 139k.
This is a perfect example of why you should just do the head gaskets. Its a 20 year old vehicle, everything is worn out, but most of it isn't going to cause any problems. Rebuilding a 3.9 is a waste of money in my opinion, you'd be better off building a 4.6 so you could at least gain something from the rebuild.
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  #22  
Old February 13th, 2015, 07:20 PM
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Mat Morgan
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Originally Posted by wmatos1001 View Post
Since I'm just nudging on 120k miles on my 1994 D90 wondering approximately how much does a full head gasket replacement cost at a good solid shop?

$3000 or so.
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  #23  
Old February 13th, 2015, 08:01 PM
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William
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$3000 or so.
Thank you that is exactly what I was expecting.
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  #24  
Old February 13th, 2015, 08:11 PM
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I did my own for... $700 (I think I remember that number correctly) and that included getting the heads machined and blasted.

I'm a hack. Took me a while, but no problems, went back together, started right up, ran wonderfully.
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  #25  
Old February 13th, 2015, 09:44 PM
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Mike
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Quote:
Originally Posted by Roover View Post
$3000 or so.
That's what the LR dealership quoted me, without machining the heads...insane...

I did all the work myself for $508. $500 got me pressure tested/skim cut heads, valve job gasket kit and head bolts, $8 got me a 4 pack of Guinness to celebrate...
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  #26  
Old February 14th, 2015, 12:02 AM
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Anthony Nelson
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Originally Posted by wmatos1001 View Post
Thank you that is exactly what I was expecting.
3k is too much. Parts are 500. Heads are 200 or so to redo. And then what, 8 hours of book time?

Should be 1500-2k
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  #27  
Old February 14th, 2015, 12:07 AM
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LOL, 8 Hours!

...er... I mean... yeah, 8 hours... or a month.

But I think that is exactly what I paid to do mine. And although working on it an hour at a time in my garage wasn't the best way to do it, I am glad I did it myself.
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  #28  
Old February 14th, 2015, 03:50 PM
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Jimmy
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Originally Posted by sloanfiske View Post
3k is too much. Parts are 500. Heads are 200 or so to redo. And then what, 8 hours of book time?

Should be 1500-2k
Book time is probably more like 14-16, plus the time to torch out broken exhaust studs and fix everything that other people have done incorrectly. Machine shop prices vary greatly. The best machine shop in Richmond charged $450 for redoing heads. I imagine bigger cities could be even more. The dealership is not going to use aftermarket parts unless the customer requests it, so its probably going to be more than $500 in parts.
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