I was out in the 4x4 sapphire tonight and thought i would jump in the 2wd and give it as run as the battery is crap on itopened the car and then tryed to start it it made a funny noise from the engine and wouldnt startit sound like its losing compresion i think it may be a head gasket?i was out in it today and it was running fine no hassle or noises it sound like the starter motor is moving quicker aswell it sounded like something rubbing against the beltfirst thing i checked was the belt incase it snapped but its still on as it should be.also checked the oil and water and they are fine aswell it has been losing water some where lately onknown where from?can anyone please help