Question about 1997 Ford Explorer AWD
My 1997 ford explorer is overheating often. When this happens the antifreeze goes out of the radiator into the overflow filling it up causing the overflow cover to blow off and antifreeze is spilling out onto the ground, and blown on the engine and underneath the hood. My vehicle is running good not missing. They performed a carbonation test on it 3 times and it failed all 3 times. They say it is either a cracked block or heads or gaskets. No signs of any except running hot often. What are the symptoms of a cracked block, head or gasket? Could there be another cause for the loss of compression?
Have you checed the thermostat, often when they are locked closed a vehicle will overheat and "regergitate" fluid through the overflow. And just so you know noone can tell by a "carbonation test if you have a problemb. (a carbonation test tells you af a change in ph.) wich is not always the affect or result of a blown head/ head gasket.
My sugestion would be change the thermostat. ($20.00) flush cooling system. (Do it yourself $15.00/ and a hose) Drain water and fill with 50/50 mix of coolant and water.
Posted on Jul 25, 2008
A cracked block often results in oil in the antifreeze. A cracked head or blown gasket is often heard while accelerating plus it my chug or miss. Take it to another garage and get the system pressure tested. I am not sure if thats what you meant by "a carbonation test". Check for milky looking oil on the dipstick first. If its normal then have the garage inspect the head for leaks using an ultraviolet light around the heads. It may a clogged rad or a faulty water pump too, even a faulty rad cap. Let me know any more info when this is checked. I hate to see someone ripped off.
Posted on May 24, 2008
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Posted on Jan 02, 2017
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