TwinTurbo.NET: Nissan 300ZX forum - Water leak will not effect your idle. But fix leak and >>>l
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Subject Water leak will not effect your idle. But fix leak and >>>l
     
Posted by ZUL8TR on March 21, 2010 at 6:06 PM
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In Reply To Re: Since head gasket replace is no fun I agree with draker>> posted by mlewis300 on March 21, 2010 at 09:16 AM
     
Message do other testing to fix the idle. Look into coolant temp sensor and its connector for corrosion. Since the leak is at the front it is eather the water pump and/or the short coolant hoses (1.2" dia x 4 inches) or upper or lower rad hoses. Suggest replace all as well as the thermostat with OEM only.

For idle look into: the IAA at the rear drivers side, throttle body cleaning, throttle position sensor, mass airflow sensor, air filters, etc. Just do search for idle and a ton of stuff wil come up.

A compression test is still a good idea to do.

What are the condition of the spark plugs? If you replace use only the NGK platinum with the recommended Nissan number.

ZUL8TR in Orlando,FL

     
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