Benschmitt Posted August 19, 2020 Report Share Posted August 19, 2020 Trying to verify that the transmission in my coachmen is in fact a 400 turbo. It doesn't say it on the transmission that I can find. A friend that's a mechanic said that's what it was, but when I look them up, it doesn't look like the transmission in the pictures on line. Can anybody verify the transmission in my coachmen. Quote Link to comment Share on other sites More sharing options...
durangodon Posted August 19, 2020 Report Share Posted August 19, 2020 Show me a picture of the underside of the transmission pan and I can. Here's what the shape is. No other tranny uses this shape of a pan. https://www.speedwaymotors.com/Black-Steel-GM-TH-400-Transmission-Pan-1-7-8-Inch-Deep,231379.html?sku=9101731&utm_medium=CSEGoogle&utm_source=CSE&utm_campaign=CSEGOOGLE&gclid=EAIaIQobChMIm8S52Z6n6wIVRtyGCh3B8g0hEAQYASABEgJ4lvD_BwE Quote Link to comment Share on other sites More sharing options...
Benschmitt Posted August 19, 2020 Author Report Share Posted August 19, 2020 That's it, no drain plug either Quote Link to comment Share on other sites More sharing options...
durangodon Posted August 19, 2020 Report Share Posted August 19, 2020 That photo is an aftermarket pan. I just used it as a convenient one to show the shape. The original equipment one is smooth on bottom with no drain plug. Quote Link to comment Share on other sites More sharing options...
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