Discovery I Talk about the Land Rover Discovery Series I within.

97 Disco Finally Started! But then smokes and dies...

Old Nov 27, 2011 | 01:30 PM
  #41  
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So you've already taken the heads off?
 
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Old Nov 27, 2011 | 01:36 PM
  #42  
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No just looking for anything else that could cause it. Don't want to take heads off again unless it's really needed.
 
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Old Nov 27, 2011 | 01:53 PM
  #43  
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Is it possible the radiator is leaking coolant into the oil?
 
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Old Nov 27, 2011 | 02:11 PM
  #44  
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Well, since you didn't use RTV to seal the intakes coolant ports if it where my project that's what I'd be doing right now. It's such a common failure point old or new. Common practice, store that in your memory bank. Seal the intake coolant ports.

You can remove the whole intake system as one unit. It saves allot of time. I've done it on many vehicles including my Brit wonders. With that being said you don't have much to loose to give it a shot.

Another check I would be doing is a compression test. That rules out which cylinder is the failed one or rules out nothing is wrong with the head gasket at all.
 
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Old Nov 27, 2011 | 02:13 PM
  #45  
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Originally Posted by EricTyrrell
Is it possible the radiator is leaking coolant into the oil?
Front cover. Did you seal the pump/front cover around those coolant ports? That's gasket AND sealant.
 

Last edited by ihscouts; Nov 27, 2011 at 02:16 PM.
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Old Nov 27, 2011 | 02:50 PM
  #46  
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Originally Posted by ihscouts
Front cover. Did you seal the pump/front cover around those coolant ports? That's gasket AND sealant.
Yes I used RTV black with the gasket.
 
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Old Nov 27, 2011 | 02:53 PM
  #47  
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Originally Posted by ihscouts
Well, since you didn't use RTV to seal the intakes coolant ports if it where my project that's what I'd be doing right now. It's such a common failure point old or new. Common practice, store that in your memory bank. Seal the intake coolant ports.

You can remove the whole intake system as one unit. It saves allot of time. I've done it on many vehicles including my Brit wonders. With that being said you don't have much to loose to give it a shot.

Another check I would be doing is a compression test. That rules out which cylinder is the failed one or rules out nothing is wrong with the head gasket at all.
I will go ahead and seal them with the RTV ultra black I have. I didn't use sealant because the RAVE didn't say to.
 
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Old Nov 27, 2011 | 02:55 PM
  #48  
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As I recall, the majority of writeups that I have read usually apply sealant to one side of most gaskets. I would like to see something definitive about what to apply where and which gaskets should have no sealant like the exhaust gaskets typically have none.

That might help a lot of us who know a little about a lot but maybe not enough on any one thing like that.
 
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Old Nov 27, 2011 | 02:59 PM
  #49  
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Rule that out. Just picking your brain for things that could happen as I personally tend to fly through everything like a bull in china shop. It's a been there done that sort of reality for me......

I'm working on a BBB complaint, so my head is in two places right now.

Compression test.....rule that head gasket out.
 
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Old Nov 27, 2011 | 03:11 PM
  #50  
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Yes gaskets are confusing to me. There are so many kinds of gaskets, RTV, sealants, applications, techniques, and possible combinations. I've found no guide that describes the best way to use them for the best seal. For this project I've used RTV ultra black on both sides of front cover, water pump, plenum heater, and sump gaskets.

Could a compression test show good compression cold and bad with a warmer engine?
 
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