20 Most Recent 1988 Buick Regal - Page 8 Questions & Answers

If it is a stock '85 Buick Regal (which I doubt), it would be about five quarts, but if the motor came out of a truck it could be six quarts. Look up the serial number and find out what you have.

Well , first off being stuck in gear, there probably is a problem with The park lock solenoid prevents shifting out of the PARK position when the ignition switch is in LOCK, ACC, or OFF. The Brake Transmission Shift Interlock (BTSI) is designed to prevent shifting out of PARK when the ignition switch is in the RUN, BULB TEST, or START position, without pressing the brake pedal. The BTSI solenoid and the park lock solenoid are energized when the ignition switch is in the RUN, BULB TEST, or START position. When the park lock solenoid and the Brake Transmission Shift Interlock (BTSI) are energized, the mechanical lock connected to this park lock solenoid is pulled away from the shifter. The stop lamp switch receives ignition voltage in the RUN, BULB TEST, or START position from the BTSI Fuse and is normally closed, providing voltage through circuit 1135 to the BTSI solenoid, energizing the solenoid and mechanically locking the transmission shift lever whenever it is in PARK. When the brake pedal is pressed, the stop lamp switch opens, removing voltage from circuit 1135 to the BTSI solenoid. The BTSI solenoid is de-energized and the mechanical lock connected to the BTSI solenoid pulls back from the shifter allowing shifting. You would do well to buy a service repair manual subscription from ALLDATA OEM Auto Repair Information for Professionals you have no idea of the complexity of the electronics on your vehicle . You will need wiring diagrams to sort out your electrical issues , suggest you watch videos on youtube for voltage drop testing . if your dad doesn't know electrical testing .

Take it back to the dealer , if something they did . They should fix it for free .

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Tried jumping it from another vehicle? Some vehicles will not even attempt to turn starter if voltage is a little low. don-ohio

I wouldnt even bother cause of the issues you can have. Simply remove the lower hose and drain it. Also take off the thermostat hose and thermostat. Flush system from the block there. That brass piece in the bleeder on the thermostat neck. So next attach bottom radiator hose. Fill the block with fluid and put in new thermostat and seal. Install the hose and neck. Fill your radiator. Start it up and add as needed. TURN Heat ON! Once its up to operating temperature with cap back on. Also fill your overflow to the line. Bleed out the air afterwords. Total time is 25 minutes. You never said the year but I'm guessing a 2000ish.

There isn't one unless you put it in. This isn't a factory option.

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Check speed sensor.

Go to http://www.bbbind.com/free_tsb.html free wiring diagrams !

Check fluid level and condition.

On the line going into the receiver dryer on the passenger side near the strut tower.