Temperature gauge spiking (1 Viewer)

Joined
Jul 4, 2017
Messages
849
Location
Charlotte NC
Right. 91 HDJ80, overhauled engine, new radiator, fan clutch, water pump, etc. After driving 15 or so minutes the water temperature gauge shoots up to red. Fire on heater to offshoot the overheating(?)- no heat. After shut down it pisses out a half cup of water below radiator.
 

BreckenridgeCruiser

I break things.
SILVER Star
Joined
Aug 14, 2006
Messages
3,819
Location
Oceanside and Encinitas, CA
Yep... I usually drive the truck a bit and when I see the gauge climb a bit, I shut it down and then fill and burp... The issue is that the thermostat prevents the system from burping properly on these engines because of the direction of coolant flow...
 

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