Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Thermostat

Old Dec 3, 2013 | 05:31 PM
  #1  
DenaliRanger1's Avatar
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From: Jackson, WYoming
Year: 2000
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Engine: I6
Default Thermostat

2000 xj. Just replaced thermostat. How long should I let it set before driving so I dont get any leak's from the housing?
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Old Dec 3, 2013 | 05:43 PM
  #2  
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From: Oroville, CA
Year: 1995
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Engine: 4.0 with all of the noise and clatter
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53 minutes should do the trick.
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Old Dec 3, 2013 | 06:02 PM
  #3  
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let it set?

i've never let it set, always just used the paper gasket.
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Old Dec 3, 2013 | 06:23 PM
  #4  
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From: NW Iowa
Year: 2001
Model: Cherokee
Engine: 4.0L I6
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Originally Posted by DenaliRanger1
2000 xj. Just replaced thermostat. How long should I let it set before driving so I dont get any leak's from the housing?
Did you use rtv? Shouldn't have to wait too long.. maybe 20 min. I'd recommend just getting a gasket.. They are very cheap, and don't require rtv.
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Old Dec 3, 2013 | 07:08 PM
  #5  
Just Another XJ from AK's Avatar
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Year: 1988
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Engine: 4.0L In Line 6
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I let mine set overnight. I hate redoing leaks.
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Old Dec 3, 2013 | 08:29 PM
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From: The Republic of TEXAS
Year: 1998
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Engine: 4.0L HO
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The key to a good seal is how clean/smooth the 2 mounting surfaces are. A thin film of RTV on both sides of the gasket has always worked for me......just fill with coolant after snugging the bolts.
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Old Dec 3, 2013 | 09:00 PM
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From: Roanoke, VA
Year: 1990
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Engine: 4.0
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I usually use both rtv and gasket...a thin film of rtv to 'glue' the gasket in place, snug the bolts and fill, as previous post said
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Old Dec 3, 2013 | 09:55 PM
  #8  
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If your concerned about it leaking use Permatex Indian shellac, that stuff could have saved the Titanic.
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Old Dec 4, 2013 | 05:43 AM
  #9  
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From: Prescott, Az
Year: 1990
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Originally Posted by bigbadon
If your concerned about it leaking use Permatex Indian shellac, that stuff could have saved the Titanic.
That and GasgaCinch are 2 of my favorites.
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Old Dec 4, 2013 | 07:13 AM
  #10  
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Originally Posted by cruiser54

That and GasgaCinch are 2 of my favorites.
What does it actually do to the gasket? Make it swell or just stickier?
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Old Dec 4, 2013 | 07:20 AM
  #11  
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Originally Posted by Parsnip
What does it actually do to the gasket? Make it swell or just stickier?
Both are just good old-fashioned gasket sealers. Used for a gazillion years before rTV and with excellent success.
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Old Dec 4, 2013 | 08:26 AM
  #12  
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From: Ware Shoals, SC
Year: 1993
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Engine: 4.0L
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Originally Posted by cruiser54
Both are just good old-fashioned gasket sealers. Used for a gazillion years before rTV and with excellent success.
Indian shellac is great. I use it on any kind of intake gaskets. It will seal with no air leaks. Coat both sides and let it tack up, then install.
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Old Dec 4, 2013 | 09:46 AM
  #13  
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Year: 1988
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Engine: 4.0L In Line 6
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This may sound a little weird, but on all my gaskets (except exhaust) and o-rings (that don't involve glycol) I use a silicon grease. Rarely ever have a leak and it always comes apart clean later down the road.
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