Upper thermostat housing forward bolt ???

H

Hot COCOAL

May the farce be with you
Jun 9, 2012
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What is the purpose of the bolt at the front top of the thermostat housing? I'm not sure if it's there on other D-max engines, but on the LBZ the bolt at the front and top of the housing there's a bolt that doesn't hold anything, it threads into the cavity of the thermostat and that's it?

I've never seen a drip of coolant come from it but I'm thinking I might dab a little RTV on the threads before I thread the bolt back in, unless for some reason you guys say not to...


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Bustedknuckles

Bustedknuckles

Honey Badger
Sep 25, 2010
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Hagerstown MD
Hot COCOAL said:
So how is that accomplished?
While the engine is up to temp, running and the thermostat is open?
I suppose there's a thread about it, I can search...
Click to expand...
Just take it out and keep adding coolant till it comes out there. Put the bolt back in then run it till its warmed up and then loosen it and make sure coolant is coming out and your system will be bled!
 
H

Hot COCOAL

May the farce be with you
Jun 9, 2012
4,433
0
0
Bustedknuckles said:
Just take it out and keep adding coolant till it comes out there. Put the bolt back in then run it till its warmed up and then loosen it and make sure coolant is coming out and your system will be bled!
Click to expand...

Awesome! I'm going to be doing this shortly, so...
Thanks for explaining that, seems simple enough.
 
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