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I have changed these lines on both my 1997 S10 Blazer & a 2000 S15 Jimmy. Raise vehicle on jackstands. Then place a piece of wood on jack, move jack under oilpan, and jack up the engine 1 - 2 inches. This will give you the clearance you need to be able to pull the oil lines off of the engine block. You won't be able to pull the lines through if you don't do this, because of the fitting on the end of the hoses is too big. A vareity of rachet extensions will enable you to reach the bolts (two) on the engine block (reach from in front of the cross member to the rear). The lines between the remote oil filter & radiator ( cooler) are much easier to get to.

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Q: What is the best way to change oil cooler lines on a 1988 GMC S15 Jimmy with a 4.3L V6?
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