ShaggyDoo
New member
I have had a problem with overheating, rad had been a little suspect for the past 6 months, eventually got around to changing it last week. After changing the rad my temperature when running stays around 70 degrees. There is an issue that I have had before and after the radiator change, when travelling at a constant 60-70 the heater goes cold. I have found a couple of ways to correct this. One is to stop and start the car again, the heater then will warm up once more. Or to stay stationary for a while and drive off again when the temp has increased to maybe 80 degrees. I think all of the air is out of the system, I have taken the expansion cap off a few times when hot and cold, have topped up the coolant a couple of times as a result. All of the hoses top and bottom on the rad and the heater feel warm / hot but the resulting air from the blower in the car is cold. There is a similar sympton when leaving the car idling after just starting on the drive, the heater will warm up and the temperature will climb to a maximum of 80 degrees, cannot get it anywhere near 90, the heater will go cold, then if you rev the engine, blipping the throttle a few times the temperature guage will plummet back to 60-70 degrees and the heater will warm up. Any ideas on where to check?