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300 m cooling pressure
i have a 1990, 300m with a very slight leak somewhere from the cooling
system evidenced by a slow dripping of antifreeze from the botton of the radiator. i have pressure tested it and found no drop in pressure. when i run the motor with the pressure guage attatched the pressure rises very steadily - no spurts or jumps, and gets up to the "danger" mark on my pressure guage. it has a 16 psi cap. what is the operating pressure for the cooling system supposed to be? any ideas. ps. it was 90 degrees when i tested it. thanks. brian |
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300 m cooling pressure
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#3
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300 m cooling pressure
On 26 May 2006 14:35:24 -0700, "
> wrote: >i have a 1990, 300m with a very slight leak somewhere from the cooling >system evidenced by a slow dripping of antifreeze from the botton of >the radiator. i have pressure tested it and found no drop in pressure. >when i run the motor with the pressure guage attatched the pressure >rises very steadily - no spurts or jumps, and gets up to the "danger" >mark on my pressure guage. it has a 16 psi cap. what is the operating >pressure for the cooling system supposed to be? any ideas. ps. it was >90 degrees when i tested it. thanks. brian If you have a slow drip of antifreeze you need to trace the drip back to its origin. Could be a leaking radiator or a leaking hose connection.. Steve B. |
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