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I have a 1999 audi a4 quattro 1.8l turbo. timing belt broke and replaced the motor, new timing belt, water pump and thermostat. now it overheats after about 15 minutes. what could the problem be?
Re: I have a 1999 audi a4 quattro 1.8l turbo. timing...
An airlock ?? all vw group engines have to be vented after filling with antifreeze/water.....they used to fit a tap on the top heater hose,sadly no longer.so you have to undo the clip and vent it manualy.....
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I would - but the timing belt would be overdue at 120K if a 2.0L engine. From the service interval linked below:
"At 110K miles (175,000 km) replace timing belt (2.0L engine only). Check condition of timing belt tensioning system, dampening pulleys, and idler pulleys and replace if necessary (2.0L engine only)."
-Flash the whole system with garden water from both direction. -Check radiator's fin. If it clog , blow it out with air nozzle or best use pressure washer. But careful not to damage the fin. (Do not aim or point at angle and too close) You should be good to go.
Check the radiator and the cooling fan. open the hood as the engine temperature rises does the fan come on. if not that the problem, Also do this As the car is warming up(from a cold start) near operating temperature, turn off the car, watch out for the fan, engine of key in your pocket fell the radiator is there any hot or cold spot? if there is the radiator is plugged. Also if the radiator isnt plugged new doesnt mean it works, the water pump itself can be faulty. and dont forget the most important device the Thermostat you did timing belt waterpump they should of done thermostat.
Hi mate, the thermostat probably like in my Audi 80 is situated inside of the water pump, just remove one of the hoses and it will be seen from there.
I wish you can resolve your problem, good luck.
Cheers
The idler pulley and the tensioner pulley are different. You will need special tools to do this job. I just completed doing the timing belt on my own 96 Audi A4 Quattro.Do you have a service manual for your car as this will help you alot. The tools you need are listed in the service manual with complete directions to complete the job. There are complete timing belt kits available that include the tools needed. The reason they recommend changing all the components is because it is often one of the components that fails that causes the timing belt to break.
it's not an easy job. and requires removal of many components in the front of the engine. However, you can go the the public libuary an look up a Haynes or Chilton auto repair manual. Good luck and you'll need a good set of tools and this would also be an excellent time to change the timing belt.
My 2002 Audi A4 doesn't produce the hot air, It's an Auto computer control temperature system. I took my car to the local mechanic (gas station), he said that the water pump and the timing belt need to be replaced.
The heating system normally produces by the engine, then normally the "thermostat' is causing the issue, but the temperature gauge doesn't indicate the overheat.
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