RuBiCaNT Posted January 6, 2006 Share Posted January 6, 2006 Wednesday I noticed my Subaru was smoking after journeys lasting longer than 10 minutes. I narrowed the smoke down to someplace under the air filter box. The car is a 2001 Outback wagon with the SOHC 2.5L and 4 speed AT transmission. My guess and I really have not seen exactly where the smoking originates from is that it's an AT cooler line that has cracked or weakened. When the fluid gets hot it expands and forces a small pinhole of fluid out on a hot part of the car and thus the smoke. I don't think its oil since the smoke is in the rear of the car and doesn't smell like burning oil. The oil level is perfect. I don't think it's coolant because there is no sweet smell that you typically get with burning coolant. What does everything think? Saturday I will be getting a better look to see exactly where the smoke is originating from. There are no driveability issues, no CEL's or anything of that sort. Thanks in advance. Link to comment Share on other sites More sharing options...
ShawnW Posted January 6, 2006 Share Posted January 6, 2006 This sounds like a loose clamp or a coil clamp that pinched too hard on the metal band. Youre probably right about the AT cooler line being the culprit. Link to comment Share on other sites More sharing options...
Dickensheets Posted January 6, 2006 Share Posted January 6, 2006 I recently replaced both cooler lines due to age and cracking around the hose clamps. Subaru hoses were almost $50. Instead I went to AutoZone and bought 6ft of oil cooler hose and a handful of hose clamps. I cut new hoses using the old ones as guides. I have found that the stock hose clamps are a pain to work with and just used generic screw type metal band hose clamps. Works good. Total cost $9. rd Link to comment Share on other sites More sharing options...
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