oil pressure takes long time to build up.
Please help. I helped my friend to change her car engine oil yesterday. it is a 90/300E. i recommended her to put in Valvoline Max life. Bosch oil filter. Everything is fine except that the car shake badly after start. It then idle normal as the oil pressure build up to normal...this has not happened before. What did i do wrong..Could it be the oil? Help..
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96 E320
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