20 Most Recent 1998 Oldsmobile Regency - Page 6 Questions & Answers

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

How do you know it's surging? In any case, about the only thing that can cause this is a faulty regulator in the alternator, or a poor wiring connection (e.g. battery cable or at alternator).

Have you checked the vacuum line with a gauge? If so, how many pascal units does the vacuum line read? Vacuum gauges are around $5. Furthermore, I believe the design is sealed vacuum only system. The solenoid could be bad, but to my knowledge it is not an electrical component. A split in one of the vacuum lines could be cause of your problem. You would have to trace the all the vacuum lines back to the source to find the problem. You would need that gauge to detect a leak in the system. Could also replace all the vacuum lines on principle since the vehicle is going on two decades.

Sorry Doris. It is the transmission is gone.

On most cars in this era, the pump itself can be adjusted by loosening the mounting points at the front and rear of pump.

Behind the firewall? Sounds like you need to take your dash off and get at it from the inside.

check for loose connections in the wiring..

floor board

Could be crankshaft sensor.

gm was putting them behind the glove compartment in those days