I've read online that my vehicle, an Oldsmobile F85, was once the most desirable model of its make. However, there was one problem that made the manufacturer to actually stop its production. The lower intake manifold gasket was known to fail, which could lead to engine failure. What are the symptoms of this problem? What can I do to avoid it?

That's true. The lower intake manifold gasket seems to be the Achilles' heel of the Oldsmobile. This part is responsible for preventing air from leaking out during fuel combustion. It plays an important part as it helps regulate chamber temperature. When this part fails, you might notice that your engine is sputtering out or stalling more frequently. It would also leak the coolant to the oil. Regular inspection of your engine is advisable, but once it fails, all you can do is to replace it with OEM grade metal gaskets. It is important to have it replaced immediately because a leaking gasket contributes to poor fuel economy, higher emissions, and poor engine performance. You should have this part replaced by an expert mechanic to ensure that it will be placed properly and tightened correctly.

My trusted mechanic said that my Oldsmobile F85 has been suffering from detonation. He didn't explain further what that problem is, but I know it has something to do with my vehicle's water injection turbocharger system. I wonder if it will affect my engine. I cannot afford to have my engine repaired, let alone replaced. What should I do?

Oldsmobile vehicles are prone to having reliability problems with the water injection turbocharger system. This system is responsible for decreasing in-cylinder temperatures and burn the air/fuel mixture more efficiently to help avoid detonation. When this part fails, it can cause various engine problems, such as engine knock or pinging. Carbon buildup was also a common complaint from several Oldsmobile owners. Several vehicles had their turbocharging and fluid injection systems removed permanently or temporarily. Detonation can be avoided by lowering inlet temperatures or by using higher octane fuel.

My F85 has been with me for ten years already, and lately, it has been acting up like never before. I've been having a hard time with my vehicle's handling. Every ride has been bouncy since the last time I visited my mechanic, especially when I drive at freeway speeds. My passengers have been complaining that I am a rugged driver. What's wrong with my vehicle?

When you experience handling problems and bouncy ride, then there must be something wrong with your front struts. For this particular model, the struts tend to wear out at around 75,000 miles. The front struts are responsible for keeping your ride smooth by absorbing the shocks. Once the struts fail, you will experience having a bumpy ride and feel your vehicle plunging. When this happens, you need to replace your front struts immediately to avoid worsening the problem. Replacement is the only way to bring back the smooth ride and good handling of your vehicle.

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