Changing oil pressure sensor unit on Nothstar V8

LZ35MV

MEMBER
2006 BUICK LUCERNE
58,000 MILES

There is not enough room to get a hand in between the front frame cross member and engine area where oil filter is located (sensor is located above oil filter on engine block) in order to change the sensor. If you remove the front lower shroud assembly can you gain access by reaching over the front cross member or do you have to remove engine mounts and lift engine?

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Try taking the oil filter off to get to sensor you may have to remove a shield near there. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

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Saturday, August 10th, 2013 AT 8:28 AM

TIFFANY DANIELS

MEMBER
1 POST
2006 BUICK LUCERNE
4.6L
V8
FWD
AUTOMATIC
190,000 MILES

I am changing an oil pressure switch. What tools will I need to change the part in the car listed above it has a North star engine.

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Wednesday, April 24th, 2019 AT 6:02 PM (Merged)

MHPAUTOS

MECHANIC
31,937 POSTS

It will screw out, but as the switch is fairly deep you need a deep series socket to reach over the plastic plug, if the parts store selling the switch has tools, you may be able to purchase a socket to suite or get a wrench on it.

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Wednesday, April 24th, 2019 AT 6:02 PM (Merged)