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GM's 3800 Series II reliability
My mechanic said that I needed to replace the seal around the engine oil pan because it was leaking. Is it a common problem for this engine/vehicle?
My coolant level is also low, at the 'COLD' level even though the engine is warmed up (driven for more than 15kms). No signs of leak on the ground. I have to fill it up everytime I change my engine oil.