overheating k problem not diagnosed just got a radiator off Kevin and still hasnt solved my problem, Im going around in circles here. Radiator for sale anybody ?
Try the thermostat, pull her out and chuck it in some boiling water to see if it opens properly. I've had nearly new ones stop working on me.
Is your radiator cap releiving pressure before it blows the hoses off? Remove the overflow bottle hose from the top of the radiator and run the engine, see if there is any coolant coming out of the barb on the where you took the hose off before the hose blows. If there is your cap is ok. If not your cap is damaged or wrong, not only are there different pressure caps, there are also diffenent reach and size aswell. If your cap is ok are you 100% sure it is not getting combustion gases into the cooling system? Has there been any work done on the engine recently?
heating hey guys yer I have pulled out the thermostat and totally removed it even though not recommended but i did it anyway and its still doing it, I got a ca today off Kevin (sideways) THanks and it is now releiving pressure but still overheating , Even changed the radiator still same thing
Rfer BADZX post above ... "h/ cooling fans.... ZX's have 2 fans, an off engine clutch fan & an electric thermo fan 1/ the engine clutch fan can fail in 2 ways, either the blade assembly ( rare) or the actual clutch section ( common), you should be able to physically restrain the blades movement with the engine running at idle and with RPM increased to around 4000rpm, after a few minutes of run time the clutch should be easilly able to overpower your restraint of the blades. 2/ electrical thermo fans rarely fail.... search the tech section for the testing proccedure & posiable re-wireing so the fan is 'manually' controled not ECU controlled. The thermo fan setup on the ZX is a secondary cooling aid and should cut in at a pre designated temp setting, again search the tech sections."
i would be checking this also , a simple pressure test would be a good idea , it will only take a couple of mins and shouldnt cost bugga all . .
Overheating is a simple problem..... Its caused by..... poor coolant flow &/or poor air flow OR coolant loss &/or low coolant levels. Poor coolant flow: you should be able to see the coolant moving through the radiator with the cap removed, it should be a slow movement at idle and its movement should increase with a rpm increase..... the coolant level should drop slightly lower with a rpm increase also but return to 'normal' when allowed to idle again. How good was this 2nd radiator ???? Poor air flow: have you used compressed air to blow out all the dead bugs etc from both the radiator and aircon panel infront of the radiators position ??? have you checked the engine and thermo fans opperation as I described in my first post ? Coolant loss: its either an internal or external loss. INTERNAL: will either be a loss via the exhaust system ( steam may be visiable at the exhaust outlet) OR your engine oil will be a chocolate milkshake instead of oil !! In either case it will be from a blown gasket EXTERNAL: visiable coolant on the ground from a leak. Low coolant level: air in system from poor re-filling proceedure or coolant displaced from compressed air reaching the coolant galleries ( IE: blown head gasket) <- ironic icon inserted
thanks for all the help guys it had the wrong radiator cap on it so was basically building up pressure and blowing hoses one wouldnt think a cap off a skyline would cause me so much trouble have my car off the road for weeks and blow hoses that are now gonna cost me hundreds of dollars to fix, dam cars can be very technical
The cap off of 1960 VW beetle would have been just as good a choice ! Kingy wonder who'll pick that one up
Who would have thought that a car would be "technical"? You didn't have this much trouble when you just caught the bus, did you?:zlove:
