Table 1 shows four common engine and engine cooling related problems of the 1998 Oldsmobile Regency. The number one most common problem is related to the engine cooling system (two problems). The second most common problem is related to the manifold/header/muffler/tail pipe (two problems).
| Problem Category | Number of Problems |
|---|---|
| Engine Cooling System problems | |
| Manifold/header/muffler/tail Pipe problems | |
| Engine problems | |
| Coolant Leaking problems |
My 1998 Oldsmobile Regency was losing coolant. I could not see a visible leak. The check engine indicator light came on, so I took the vehicle to be serviced. The mechanic found the upper intake (plenum) to be leaking the coolant into the engine (cylinder #3. Read details...
Coolant leaked out the intake manifold. Had to replaced intake manifold and gaskets. E-mailed consumer response exhaust gases had gotten into the plastic upper manifold had thermally broke down the plastic and caused the leak. Read details...
Consumer was getting a clunk at times when braking and also when starting the vehicle. Dealer said it sounded like an engine mount, which is a loose cradle bolt. Read details...