Replaced Radiator now the Transmission is leaking fluid

5

Asked by May 22, 2014 at 03:59 PM about the 1987 Dodge RAM 150

Question type: Maintenance & Repair

Yesterday my boyfriend changed our neighbors radiator on a 86 or 87 Dodge Ram 150 truck. The operation went smoothly everything came out and went in as it should. Today our neighbor went to drive his truck and it is POURING transmission fluid. The hoses going into the radiator are tight, that is not the problem. It looks like the fluid is actually leaking from the transmission itself. He said that the transmission wouldn't shift from him either. Could changing the radiator have affected this at all? Is the suddenly leaking transmission at all related to the radiator swap performed yesterday? If so what happened and how do you diagnose and fix it? PLEASE HELP!!!! Thanks :)

3 Answers

17,065

hose comes from tranny to rad and another goes from rad to tranny, it would seem pretty obvious that pulling /wiggling one end of the hoses at the rad end could have easily caused the other ends to leak Things become dried out and rusted and moving the hoses around could have easily disrupted the connections at the tranny

1 of 1 people found this helpful.
261,865

Chassy is correct, check the transmission cooler lines. Do not drive the truck with a low fluid level, you will heat up the trans and end up damaging it.

4,195

and if the fluid level is low enough, it won't change gears.

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