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Installed New 'cooling-Pro' Radiator .. Temperature Rising R34

skylinepower

By skylinepower,
in General Maintenance

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skylinepower Enthusiast

skylinepower

Posted
Posted

(R34 GTT) manual

my old radiator blew the top hose plastic round bit where it connects to and received my new 'Cooling Pro' radiator, installed it and all looks good but the engine temp rises slowly, and at idle it revs up past 1000RPM

when i turn on the AC its nice and cool. and when i turn to max heat its still feels normal cold.

i have a new BLITZ radiator cap and new silicon hoses plus new clamps and there's enough coolant in the 'coolant reservoir' bottle..

or am i not adding enough coolant to the radiator itself?

please help, i'm a total noob with cooling systems

CHEERS Team!!

jjman Mentor

jjman

Posted
Posted

bit a random multifaceted description there...

Firstly, RB25's are a bit of a bitch to bleed the air out of so start there.

Secondly, idle has nothing to do with your radiator or temps.

Thirdly, by temps rising slowly do you mean that it takes a long time to come up to a normal operating temp? if so thats ur thermostat (which can also be the source of overheating troubles too).

Fourthly, if your heater doesnt work it is because ur heater core/lines to it are blocked, or because ur turning it on before the motor is up to operating temp (the heater wont get hot till the motor does)

Also, make sure that the Blitz radiator cap is the same pressure rating as the stock RB25/R34 one. There are only problems to be had by going to a higher rated pressure...

Finally, but only as a 'keep in mind' if the other things cant be sorted. If you 'blew' the radiator hose attachment section (would take considerable pressure) and you are having cooling and other assocaited issues then it is possible you have a blown headgasket.

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