Why does my 1967 Volvo 122S continue to run hot?
My 67 Volvo 122 S continue to run hot. I have changed the radiator and the thermostat twice. I have an after-market temperature gague on the car. I must wait sometime to let it cool down before it will fire back up. What else can I do? Stockbridge
If your engine is running lean it will run hot. If this is the case, and you are still running stock SU HS6 dual carbs, the jets can be adjusted to increase fuel to the carbs. The jets are located underneath the carbs right above the exhaust header. Each of the two "L" shaped plastic tubes can be adjusted up or down (down to enrich - so counter clockwise). Be sure to loosen the adjuster nut near the middle - don't unscrew the jet tube with the top nut. See if it effects engine temp - best of luck!
check your fan
Check for blown head gasket advanced auto has a kit tube with bubble knob on it blue chemical in it put it on the top of rad take cap off draw air from rad not fluid if the chem changes to greenish yellow in directions Head Gasket is blown if it stays blue head Gskt ok
One other thing could be heater core clogged
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