1986 Oldsmobile Regency - Answered Questions & Fixed issues

GET THAT COOLANT SENSOR CHECKED

Worn or disrupted linkage, check side or tranny at that connection

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Look at the side of the engine block above the oil pan just in front of fire wall.

It should be under the hood in a fuse box & look on the underside of the top of the fuse box cap.

Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
A lead acid battery with the fallowing specs
group 75



Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet

Fig. 1: Location of the oil pressure switch - others similar (click for zoom)

To removal...

1. Disconnect the negative battery cable.
2. If necessary for access, raise and safely support the vehicle.
3. If necessary, drain the engine oil into a suitable container.
4. Detach the switch electrical connector.
5. Remove the switch.

Fig. 1: Typical electric fan motor and resistor locations

Hope helps (remember to rate this answer).

there is a silicone adhesive like what is used for the windshield and rear window. This works excellent to hold on the door seals.

1986 Oldsmobile 3.8 liter V-6

if you can check to see if you are getting fuel when it wont start,maybe fuel pump is loosing pressure

check the timing marks twice and make sure crank is on top dead center.

if all that checks out ok i would check power to the coil(s) and the coils them selves... Also is the fuel pump make any noise you should here it prime.other than that make sure the gap from the sensors r proper if they are too far away the sensor will not pick up a reading.

sounds like the timing may have jumped or it could be the coil pac. I would check out this one first and then move on to the timing.

O-rings are hard and stuck. Pull the SOB out. Make sure you collect and replace all the o-rings for the injectors before you install them again or you WILL have fuel/air leaks in your cylinders.

Just find someone with the older type scanner it will tell you the code..I have them But I know that dosent help sorry

steering wheel puller

Remove the bad first. Installing the new one is easy. If you are carefull to install the new one you can avoid paying for a realignment.

It is a mute point because you can't do this yourself. Your system has air in it plus moisture. All that need sucking out with a refrigerant gas recovery machine to create a very strong vacuum, then the system is checked for leaks. Only then is the refrigerant gas installed by weight. Freon is the brand name for a gas that is no longer used. There is a sticker in the engine bay that tells you the weight of gas and the amount of oil. This explains, take it to a shop that does AC. https://www.fixya.com/cars/r29878326-recharging_vehicle_air_conditioner ..

The blower resistor may be going bad and need replacing. Does it do it only on one or any fan speed? I'm not sure where that particular part is located for it has been number of years I have looked at vehicles older than 18 yrs. but I hope this steers you in the right direction. Jesus loves you, John 3:16-17 (KJV)

I think you could use this manual method instead.. My nephew used it to repair my car and it's totally perfectly fine now. Here's the website he bought it from. www.reliable-store.com

GM doesn't believe in making things easy. No access panel