2004 TOYOTA 4RUNNER
11,800 MILES
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I want to know which radiator line is the oil return line on my Toyota 4 runner radiator ?

Thanks , Jack
Jan 9, 2013 at 9:06 PM
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RASMATAZ
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One way to find out disconnect the oil lines from the radiator and crank engine over the one that spits out is your input line the other is the return line going back to the engine-
Jan 9, 2013 at 11:05 PM