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I hear a knocking sound from the rear of my car. The sound is like a single muffled knock. It's like someone is inside the trunk and gives it a single knock with a rubber hammer or fist. You have to listen for it sometimes, but you can hear it. The sound usually occurs when I first drive the car in the day, after I have parked the car for a while. It only happens one or twice usually within a few minutes after starting, and then I don't hear anything more. And it can happen either while driving or while idling at a stop. I checked my trunk and there is nothing loose. I thought it might be the rear shocks or brakes, but I had these checked out Someone told me that the sound could be coming from the gas tank, with the problem either being: 1). The gas tank is pressurizing from the fuel, or it might be running a leak check and pulls a vacuum. This could cause the gas tank metal to move in or out giving a dull thud sound. 2). The baffles inside the gas tank have come loose and this is causing the sound somehow. One symptom of this baffle problem is that you can hear the fuel sloshing around in the gas tank. And I do hear my gas sloshing around when I back up. Any opinions? Is this something that I need to fix, or can I just leave it be? My car has a 3.8L V-6 engine with automatic transmission.
I have a question about replacing a rear wheel cylinder that is leaking fluid. Do I need to replace both wheel cylinders at the same time, even if only one has problems? Or can I just replace the one that is leaking fluid?
I have a 1996 Olds 88. It has 45K in mileage. I took it to Firestone for an oil change and they say I should change the transmission fluid since it is discolored. They said that Olds 88 should have the transmission fluid changed at around 50K in general. Is this true, or do you think they are trying to charge me for a serivce that I don't need? I thought Olds 88 don't require changing the transmission fluid until 100K. I've read articles that changing the fluid is one way these automotive chains make money. http://autos.aol.com/article/fluid-flush-fallacy/
The 96 Olds 88 has the 3.8L V-6 engine. One thing I am concerned about is coolant leakage problem. There was a class action suit involving the use of DexCool coolant in GM cars like this one. Coolant leakage can cause corrosion and problems with the intake manifold gasket in particular (both upper and lower). http://www.dslreports.com/forum/r19569981-GM-Dexcool-Intake-Manifold-lawsuit-settlement
How expensive are the maintenance and repair costs for the 1996 Olds 88 LS, given that this is a discontinued model line? What do you think of mechanical reliability especially the engine (gasket leaks) and transmission? Does this car take regular or premium gasoline? And what is the gas mileage like in the city?
Does the 1997 Maxima GLE take regular or premium gasoline? Also, I have noticed a problem with the air conditioner not working. No air blows out of the front vent, although you can hear the air conditioner itself operating. Could this be a compressor problem?
What are people's general opinions about the reliability of the 2004 Optima LX V-6, especially the transmission and engine? Are the general maintenance and repair costs expensive? Is there an issue with the timing belt wearing out prematurely? What kind of gas mileage do you get?
What are people's opinions of the 2005 Elantra's reliability, particularly in terms of its transmission and engine? This website seems to suggest the tranny might have issues. Also, what are repair/maintenance costs on the Elantra like in terms of price?
How reliable is the 2004 Sonata (2.4L), particularly the transmission and engine above 100K? Are the general maintenance and repair costs expensive? And does this car take regular or premium unleaded gas?
What are the repair/maintenance costs on the 1996 Infiniti I30 like? Would I need to take it to a Infiniti dealer for repair service, or would any mechanic be okay? Does this car take regular unleaded or premium gas? And what are the insurance costs like? Also, is this car the same as a Nissan Maxima?