Question about Holden Astra
Hi my astra radiator is always overheating i have to keep filling up the resevior every time i pull up the water is pumping thru but dont know were it is leaking i just seeing a pool of water under the car when i park it, and now its making noise from the egine , do i have to get a new water pump and timing belt or is one of the pulleys bearings stuff i need advixe so i can put it in?
Have the cooling system pressure tested to find the leak. Have a compression test done to check the head gasket and for cracks.. Have an accredited mechanic check the noise as there are plenty of places that produce a noise.
Posted on Mar 26, 2014
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Posted on Jan 02, 2017
hi jasso, I would recommend checking the water pump if you see no flow in the radiator. Make sure when you fill up the cooling system, that you fill it cold, and that the vent screw in the radiator is loose. fill system until fluid comes out the vent screw. tighten the screw, start the car and have someone run at 1500rpm and check for flow.also, make sure that you have your temp setting full hot and blower on middle speed so that you don't trap air in the heater core.
Posted on Apr 05, 2009
sounds like idler bearings but you have to release the tension to check,Also you can check the rest of the pulleys also at this time. I dont think you have to drop the engine.
Posted on Oct 06, 2009
yes you will have to remove the timing belt and crank pully. It is not as bad as it looks. You might as well, while you are in there, change the thermostat and new Timing belt and tensioner pully.
The trick I use, (and I have done hundreds of Timing belts) I use a good paint pen to mark the timing belt and gears. make sure to mark it so you know what marks are for what cam and crank. and which direction it goes. then on the new belt crefully transfer the marks. then it goes really smooth and there is no guessing hoping it is properly lined up on the factory marks. and you dont have to line every thing up before you take off the belt either. just mark it and remove it where the motor stopped..If you do it this way, you dont have to worry about trying to line up the cams and crank to there respective marks, just the ones you made, then there is no mistake.
Posted on Feb 23, 2010
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