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Tips
Tips

Filling Coolant

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A

asoupley

Jedi Hopeful
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Any trick on filling the coolant? I followed the manual (I think), but after running the engine for a while, when I squeeze the upper radiator hose, it does not feel like the system is full... am I just paranoid? Any way to make sure?

Thanks
Tony
 
Tony, a sure fire way to do it is to pull the thermostat housing and fill the block from there. Run the engine with the heater valve open, (after reinstalling the t-stat housing, of course) and top up the expansion tank as necessary. This has always worked for me when filling the system from dry.
Jeff
 
Why shoot, I just fill it up then do it again in 10 min or so. Never a problem.
 
Jack, the cross flow systems can be a bit of a fiddle at times.
I've always done the down flow systems as you do, and have never had any difficulty.
Jeff
 
Woops again, did not realise cross flow.

Oh well if the brits at the factory did it it must be easy. hehe.
 
I have always drilled a 1/8" hole in the flange of any thermostat that I put in an LBC. This allows the air out on filling and if the thermostat fails then at least there is some water flowing. Doesn't hurt warm-up enough to really matter. There used to be thermostats that sort-of did this and had a little plastic piece in the hole.
Bill
 
The 1/8" hole is a good trick I just recently came across. However, I do four holes.
 
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