Question about 1998 Subaru Forester
Would a pin hole leak in the radiator that can't be detected cause this to happen? The guage goes to high dangerous heat levels for a few seconds and then goes back to normal. The mechanic says thermo fine and burped the air out several times. What the hell?
Blown head gasket or cracked head will put air in your cooling system, if this air forces water away from your temp guage the water will get hot without raising the needle until your senser gets wet again then it will rise rapidly, replace your head gaskets and while the heads are off have them crack tested and surface ground, every time any alloy head is removed, It should be resurfaced to improve sealing of the new head gasket
Posted on Nov 28, 2013
First make sure the fan is comming on when it gets warm. i would replace the thermostate any way whats 12.00 now vs 2,800 to replace the engen latter. also i would change out the sending unit that goes to the cluster. also disconect the neg. side battery and turn the fan by hand it should spin very easy i belive this vehicle has 2 fans. if they turn frely reconet thr battery start the vehicle turn on ac if both fans do not come on you may have a bad fan relay good luck.
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
Where is the water coming from? Start the engine and have a look! Make sure you dont't have loose clothing and hair ! Probably a pipe leaking!
Posted on Dec 07, 2009
An overheating issue can be caused by a few different things, the most common cause of overheating is a sticking thermostat..it is a $7 part that is very easy to replace, it needs to be eliminated from the mix. Second most common would be a faulty water pump, this is usually characterised by a leak at the pump itself. If you are loosing coolant, you need to make sure it is not getting into your oil, you can check the dipstick for bubbles or a milky looking sludge. This can be caused by a cracked head or blown head gasket, these conditions are usually caused by the overheating itself, so if this is not the case, be careful and do not let it get too hot! The other thing that can cause an overheating issue would be a clogged radiator. The fan issue is problably not causing your problem, because at 35 miles per hour, enough air is being forced thru the radiator to effect cooling. The fans are good for when your car is sitting still. The electric fans are controlled by a coolant temp sensor. Good Luck! I hope you find this to be very helpful!
Posted on Feb 18, 2010
Sounds like the Coolant is not full and has a air bubble. It is very important to have the system filled complete. That would be the first step.Good luck and have a great day.
Posted on Feb 25, 2010
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