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29 Posts
Anyone know the thread size for the transmission cooler lines on the rad side? I just want to plug them for now
![Hand Gesture Watch Wrist Nail]()
Transmission cooler lines
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272 Posts
Oh, um, that's not how those lines are removed. They are quick connect fittings, there's a snap ring in the threaded fitting that is removed and then the hard line comes out. I think I've heard of some folks losing coolant by removing the entire fitting like that. You should probably remove the threaded fitting from the line and reinstall it into the radiator so you don't have some weird leak develop. Then you can cap off the hard line with something like a piece of 3/8" tubing, a hose clamp, and a bolt.
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29 Posts
I just figured that out… I’m in the middle pulling out the engine. Got to the point of unbolting the transmission and my landlord told me he wants to sell the house and I have to be out by April…. Anyways I did what you said removed those quick connections and looped the lines together with some hose. That’ll do to get it onto a trailer
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58 Posts
Those two fittings that you unscrewed, do you need them? If not I do and would buy them off of you. GM parts doesn't make them. When you order the correct part number they come without those washers built in.
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29 Posts
yes I’ll need them to put the lines back into the rad later on. They’re actually part of the rad. I didn’t see the quick disconnects initially
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