I have a 1995 dodge 2500 with approx 250,000kms. Lately it is burning a little oil when decelerating. I was told by a mechanic that my valve stem seals are passing. Any advice or suggestions would be greatly appreciated.
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Is there bluish smoke coming out of the exhaust ? That would indicate that the car is burning oil. Is there oil on the ground where the car is parked? That would indicate an oil leak. If the car is burning oil, there is no easy fix for it. If there is an oil leak, that may be fixed, but you would have to have the car looked at by a garage .
On the 2.0 l engines, oil burning is common, and quick easy solution I've found is to run "5 minute oil flush" available at any parts store. follow the directions and 8-10 times the carbon between the piston rings and sludge that build up in the valvetrain (a common problem for all OHC Dodge engines) goes away. be sure to use a high quality filter and a high mileage formula 10w30 motor oil like Valvoline or Pennzoil.
You could try changing to a synthetic oil, it has less burn off than conventional oil. You may have dried out valve stem seals...you can use a lot of oil without noticing constant smoking as it happens usually only on start up and deceleration. If you have someone drive behind you they can see smoke from your tailpipe especially if you take your foot off the gas going downhill.
It could be burning and you don't notice. Remove air filter box assembly from top of intake manifold. Hold throttle wide open (engine off) and look through throttle body (flashlight may be required) and see if oil is puddled up inside manifold. If so then the intake manifold will need to be removed so the lower pan gasket can be replaced.
Hello, what color is the smoke? If it's white in color your burning antifreeze. If your burning antifreeze the most common problems are a bad head gasket or cracked head.
If the smoke is blue in color your burning oil. There are many reasons to why you could be burning oil, all of which mean one of three things. You can either rebuild the motor, replace the motor, or drive it with it burning oil and check your oil level periodicaly.
There isn't really anything you can do to check what is the root of your cause with out disassembly of the motor. There is a tall tale sign of a bad head gasket or cracked head and that is your oil will have a milky color and texture to it or your coolant will have an oil slick on the top when you take off the radiator cap. This doesn't always happen with a bad head gasket or cracked head but it is one way to generally tell.
If your certain the noise is from the transmission, you need to take this vehicle to a shop you trust. It sounds as though the fluid pump in the transmission is either starving for fluid, due to a blocked strainer, or the pump is suffering a bearing failure. If you continue to run this vehicle, you stand the chance of stranding yourself, or burning the clutches from a lack of fluid. Good Luck.