hi...i had a very slow oil leak...it was a rear valve gasket leak...and i think the new oil drops are from old oil never removed from the engine....
i want to use foamy engine bright to remove oil and grease....do i have to use it on a cold engine only>??????
thanks....
john
i want to use foamy engine bright to remove oil and grease....do i have to use it on a cold engine only>??????
thanks....
john
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