In this particular article we will review the Jiffy-Tite® connector design which General Motors engineers started to use in some applications in 1996. The next few articles will cover the different types of “Quick Connects” used by original equipment manufacturers to attach transmission and engine oil cooler lines to the heat exchangers in the power train cooling system. Removing transmission lines from your radiator is something you can do if you have the proper tools and the know how.In our first two tech tip articles we reviewed radiator cap functions and application considerations. The hard ones are really hard and that is what you are reading about above. Sounds like fun doesn’t it? On a final note, please know that most of the time it is not hard to replace a radiator. It is no picnic to get the fitting to let go.I now need to replace the O-rings with that fitting, and that was not fun at all.I think I will cut the trans line and deal with it later.I needed a 3/8 spring clip tool and had broken the clip off, lost somewhere.Pull the tool and hose at the same time.To remove the lines, you might have to twist and turn it a little.There is a spinner nut attached to the radiator itself.I cannot get it to budge, I just sprayed some PB blaster on it.I have been tapping on it with a small hammer.Press the tool onto the fitting to release the fingers.The tool goes to the right of that rusty old fitting.Use the 3/8″ tool designed for Chrysler, not Ford.To release the fitting, you need a 3/8 inch line removal tool.I had the wrong replacement radiator, and the trans lines won’t fit.It’s a coupling fitting like a quick-disconnect.I damaged the tube and fitting on the transmission line.I think you need a special tool to unlock the tube from the fitting.Pull the line out with a little twisting and pulling.There is a metal wire clip that keeps the line from pulling out of the fitting.Some Comments Regarding Removing Transmission Oil Lines Most of the time they are, but then there is the following. Most DIY people think that transmission lines are simple little lines that should take you about a minute to remove. I would like to share some comments from some who have attempted to replace their own radiator. Some of the hardest radiator jobs we did were because of transmission oil lines. Your oil lines may be easy to remove but many or not and if yours is one of the hard ones it is no joke. You need to ask specifically about your vehicle. If you are not sure what type of transmission oil line fittings you have you should ask someone and look up your vehicle online. But at times it can be your worse nightmare. So you thought it would be easy removing the transmission oil lines to change your leaking radiator and save a few dollars! Well, most of the time it is a straight forward job installing a replacement radiator.
Removing Transmission Lines on Your Car Radiator
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