changing the voltage regulator

15

Asked by Jan 17, 2014 at 02:18 PM about the 1986 Oldsmobile Cutlass Ciera

Question type: Maintenance & Repair

I want to find out how to change the voltage regulator on my olds

11 Answers

8,525

My first question is why? And the regulator is built into the alternator.

2 of 2 people found this helpful.
15

when I pulled codes it indicated the voltage was fluctuating. I had the battery tested and the alternator as well. I was told to replace the voltage regulator. what started all this was my headlights flickering. I had already cleaned the connections on the ground wires.

1 of 1 people found this helpful.
8,525

Can you post the code numbers here, so that I can review them.

15

53 and 23

8,525

Can you give me the 8th digit of the VIN (Vehicle Identification Number) code. It will be one of these: X, W, 3, or R

8,525

Or if not the VIN code, the type of engine you have. 4 cylinder, 3.8L 6 cylinder, 2.8L 6cyl fuel injected, or 2.8L 6cyl carburetor.

8,525

Code 53 is "system over-voltage (ECM over 17.7volts)". Make sure your battery cable ends are clean and tight. Disconnect the battery cables (negative/black) first, remove the terminal bolts from the cables/plastic (Just push them out), clean the cable ends with a wire brush or sandpaper. Clean the terminals on the battery, and reconnect the cables (positive/red) first. Tighten the terminals. Check if you can move the cable ends (loose). If you can, you will need a new terminal end for the cable. As for the code 23, I will need the engine info.

2 of 2 people found this helpful.
15

engine is a 2.8L V6 Fuel injected

8,525

Code 23 is for the Intake Air Temperature sensor. It's a 2 wire plug that is located on the intake boot, between the air cleaner and throttle body. Make sure this is plugged in, and that the wires aren't broken. This could also be an old code, if it had been disconnected before, and the ignition was turned on. Meaning, during a repair.

2 of 2 people found this helpful.
8,525

I correct myself. The air temp. sensor might be screwed into the air cleaner, on this model.

1 of 1 people found this helpful.
15

Thank you for the input. I will work on it tomorrow and post my results.

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