recommendations for repair/restoration in NJ My '98 318ti has a major issue with oil leaking into the crankcase and is no longer driveable. I've taken great care of the car and I don't think it's quite ready for the junkpile just yet, though it's just over 200k. Does anyone have any mechanic/garage recommendations in north N.J. that might be good? |
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I meant oil is leaking *from* the crankcase...so oil is leaking into the spark plugs causing one of the pistons to not fire which means it can only be driven very short distances. Just wondering if anyone has a repair recommendations in north NJ/metro-NYC. thanks |
The valve cover gaskets have failed. It's a very simple repair, any shop (or neighbor, or wife) can replace those and get you motoring again. |
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If the plug boots come up dry, then you may have a head gasket breach. |
Can you clarify by what you mean of a “head gasket” breach? Where would one occur? Thanks. |
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Thanks Paul, Iwas wondering if there was a typical location on the M44. I am concerned that there is evidence of oil residue in cylinders 1 and more in 4. My mechanic is thinking it may be from carbonized oil rings because of a 15% leak down on compression. The head is rebuilt and just finished putting on the engine so as you can imagine I’m not thrilled with the prospect of rebuilding the lower end especially with only 92k on it. My mechanic will be doing a bore scope this week to confirm it’s not coming from the valves. More than you wanted to hear I’m sure, so, thanks! |
Just a follow up. Mechanic couldn't do bore scope check. He felt the rings may be bound with carbon due to oil burn. I see no evidence of oil burn on initial startup or when warm soo...? Going to drive as much as I can to let things settle into themselves (past 100 miles have been good), and may do one of those 15-30 minute engine oil flush prior to change and see if that does anything positive. I'd appreciate any experiences out there if you have tried something like this. THx |
I've never done an "oil flush", not sure what that would entail. Are there performance issues with the vehicle? If not, I guess I would just drive it, although your vehicle has a lot less miles than mine. At 263,000 miles, I don't put any more money into the car than I need to, so unless something keeps the car from going down the road, I don't worry too much about it. |
If you have 15% leak down loss with a rebuilt head (which usually means new valves properly lapped or old valves properly lapped) I would agree that the rings are about done. But you should know these engines use oil, so that should not be a concern (unless it uses more oil than gasoline). If the plugs are fouling, I’d just go up one heat range on them. I’ve done this as my oil consumption is a bit high and my plugs look good upon inspection now. How do the plugs look in your car? You can learn a lot “reading” them. |
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