Join Date: Oct 2006
Location: Joliet, IL
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trans "moan" after sonnax & ext trans filter install
This past weekend i installed a sonnax transmission kit and also installed one of the exterior transmission filter kits from dieselsite.com. While driving the truck afterwards i now notice a low/medium moaning/groaning sound that happens when i slow down. It is noticeable (because the engine isnt as loud at this speed) when i am slowing down at about 15-20 or so mph. It is a low to medium pitched moaning sound. It kind of gets progressively lower as i approach a stop then it goes away when i am stopped. I cant really tell if it is there when i am accelerating because it is hard when i am at a faster speed because all i hear at that point is the engine and exhaust. Is this normal, or could something be wrong?
When i bought the truck the previous owner had a rebuilt factory ford transmission installed, which was about 8-10k ago.
2000 F-350, cc, lb, 4x4, auto with recent stock rebuild, 4" lift with 35" tires, dynatrac front hub kit, 5" exhaust, 106,000 miles
Last edited by TBM_F350; 11-28-2006 at 06:33 PM.