I replaced my driver side motor mount on my 2009 5.3 Tahoe 4wd and it drove fine for a few days. Then a 3 days after the motor mount replacement, while driving to work, I started to slow down for a stop and the check engine light came on. Then the oil can light came on and the oil pressure dropped. I made it where I was going, but on the way home that afternoon, I had to pull over and restart it several times as it would drop pressure and chime with the low oil pressure alert. Each time I restarted, the pressure increased to about half of normal and gradually decrease for a mile or so and then the pressure would drop to maybe 2psi on the dash gauge when I let off the accelerator and slowed for a stop.
I replaced the oil pressure switch sending unit and the filter screen with an AC Delco unit last Friday. I drove it twice on Friday night after the repair, each trip for 40 minutes in varying highway and in town driving and the oil pressure held great. Everything looked back to normal.
Then this morning when driving into work, after about 15 minutes of driving, things looked fine and then all the sudden the pressure dropped down and the chime went off when decelerating for a sharp turn. I pulled over and restarted it and was able to drive the last few minutes to work with the pressure on the gauge showing a reduced reading. Is it possible that the wiring that controls the oil pressure are somewhere near where I had to remove the driver side engine mount and maybe I damaged it? I don't even know where to start in regards to the wiring for this. When I removed the engine mount, I pulled the drivers tire and wheel well inner plastic fender. I had to remove a bunch of wires that are anchored to it. Then when I removed the mount through the side (I used the method where you dont have to remove the steering shaft and go out through the wheel well), I know that I had to work around wiring bundles and definitely rubbed and squished some, but I have no idea if the pressure problem could be related to that or not. Are there wires down there that would affect this?
Reading on the forums, they say to confirm pressure with an analog gauge. Where does this gauge screw into the engine? I am assuming pressures are fine as there are no noises and the engine still runs the same. But, obviously I cannot drive it with the chiming happening all the time.
I replaced the oil pressure switch sending unit and the filter screen with an AC Delco unit last Friday. I drove it twice on Friday night after the repair, each trip for 40 minutes in varying highway and in town driving and the oil pressure held great. Everything looked back to normal.
Then this morning when driving into work, after about 15 minutes of driving, things looked fine and then all the sudden the pressure dropped down and the chime went off when decelerating for a sharp turn. I pulled over and restarted it and was able to drive the last few minutes to work with the pressure on the gauge showing a reduced reading. Is it possible that the wiring that controls the oil pressure are somewhere near where I had to remove the driver side engine mount and maybe I damaged it? I don't even know where to start in regards to the wiring for this. When I removed the engine mount, I pulled the drivers tire and wheel well inner plastic fender. I had to remove a bunch of wires that are anchored to it. Then when I removed the mount through the side (I used the method where you dont have to remove the steering shaft and go out through the wheel well), I know that I had to work around wiring bundles and definitely rubbed and squished some, but I have no idea if the pressure problem could be related to that or not. Are there wires down there that would affect this?
Reading on the forums, they say to confirm pressure with an analog gauge. Where does this gauge screw into the engine? I am assuming pressures are fine as there are no noises and the engine still runs the same. But, obviously I cannot drive it with the chiming happening all the time.
