Hey guys, pretty new to this forum. I just installed new spark plugs and wires on my 2005 Grand Prix last weekend. I took the advice I found here and removed the dogbones and pushed the car forward and set the ebrake so I could get to the rear plugs easier. Everything went great and the new plugs are in, but after I was done I noticed a fairly large puddle of transmission fluid on the floor and it was dripping from the transmission cooler lines where they mount to the bottom of the transmission. Once I undid the ebrake and reinstalled the dogbones, the leak stopped (as far as I can tell) and I haven't seen any more puddles under the car. My first question is, Did I screw something up? Second, Is there anything I can do to the cooler lines to help them seal better or should I just order new GM cooler lines? I would greatly appreciate some advice. Thanks!

if for some reason you pushed it too far forward you could have broken a plastic line, or the radiator. you shouldnt of had to roll the engine that much.

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Behold the majestic beast as it strides

Might have disrupted it enough for the line to leak. Those lines are no more than $20 at the dealer. I would replace the leaker. I had this happen to one of my lines in the spring.

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04 GTT - Retired
Best ET 13.016
Best Trap 115.56 MPH