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Engine Size: L4-107.5 1762cc 1.8L DOHC(7A-FE) Sedan (not DX).
Some amount of oil was found in the Radiator two weeks ago. Besides vibration was observed while stopping at the light in Drive postion. Vibration lessens if in Neutral. Rear Shifting the gear introduces the vibration. The vibration seemed to be coming from the passenger side dash/engine part.
The following was done.
Engine vibration check out results- Scanned the code for codes and found none. Scoped the engine and the ignition was checked to spec. Did not find any misfires. Timing was correct, the starting and charging system checked to spec, the fuel and emissions systems along with the cylinder balance test came out good. A coolant hose leaking at the back of the water pump. Found oil in the radiator. Did not see coolant in the oil or in the transmission fluid.
Replaced the hose at the back of the water pump and block tested the engine. No head gasket leak was found. The colour of the liquid did not change.
I showed to another shop and they did the following:
The Radiator was pressure tested and was found alright. The upper hose was replaced since it was not in good shape. Radiator Coolant Flush under recommendation was done and by the 4th day I am finding oil in the coolant and radiator again.
The good thing is the Engine is not overheating.
But I am not driving more than 18 miles at a stretch and have not used this vehicle for long distance driving for several months.
While checking the engine oil, I am finding water bubbles along with the oil.
I would appreciate if you can advise me on the the course of action. Thank you.
Saturday, April 21st, 2007 AT 11:29 AM