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I replaced the crank position sensor in my 90 Lumina 3.1L! It was on the back side of the motor and with a little patience I was able to R & R!! I went from the bottom of the engine between the block and transmission! I didn't have to removed any splash guards or other items just needed patience

ANSWER......... It's in a hard to find place; got it from under the car, its in between the oil pan and the trany. At the top of the oil pan in the block on a downward angle. There are two other thinges in the block just above it to the right. (looking from under the car)

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โˆ™ 2015-07-15 18:57:46
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Q: How do you find and replace the crankshaft sensor on a 1990 Chevy Lumina 3.1 Without having to pull off the wheel spray guard?
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