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Old 26th July 2010, 17:41   #16
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As you said above, there is a leakage even after replacing the radiator. The leak is only after return drive back home. No leakage when engine cold. There is a small outlet kind of pipe located on the crossmember or bottom of the radiator which shows drops od spillage. Does it mean the radiator is faulty or leaky?
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Old 26th July 2010, 18:33   #17
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You have blown your head gasket. Stop making unnecessary repairs and get the head gasket replaced.
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Old 26th July 2010, 22:03   #18
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what is the state of temp of your engine.

Leakage from bottom of radiator means, the hose is not fitted properly.

replace the hose along with the clamp.
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Old 27th July 2010, 11:33   #19
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With 100% water (tested on pure distilled water since there was total coolant leakage) the temperature rose to half and therafter the fan started.With pure undiluted coolant the temperature rose to 25% mark. Also there is no leakage if pure coolant and full AC is used.

My mechanic is reluctant to replace the thermostat switch after continously pressurising him. I have never faced any overheating problems in my Maruti 84, 92, 97, 2007, Tata Indica V2 LSi and Xeta 1.4.

There are conclusions from various online and offline sources about the head gasket been blown off. There is no acceleration loss, very good fuel returns and no such engine related problems. The pickup on AC is also very good, much better than my 2007 MPFI. I have increased the timing after I bought the car, when it was cold and started the AC to tune idle timing, changed the timing belt, water pump, oil seals and the radiator. Will get the hoses changed today or tomorrow.
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Old 3rd August 2010, 13:25   #20
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MASS Kataria at Vapi, fixed the overheating problem in seconds, the distributor timing was highly advanced, adjusted and the car is perfect now. Then I searched on Google and I read articles explaining how improper ignition timing esp. on MPFI, can cause engine overheating. Thank you SirAlec for your technical support and help. Thank you All.
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