Question about 1998 Lincoln Navigator

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I have a coolant leak from one of the tranmission lines at the transmission. is that line hard to change? It is the upper line and looks rusty

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You dont have coolant running to the auto trans gearbox so whet it is ,,,is the coolant coming from another place and running down the metal pipe to the g/box as its only trans oil in the g/box.
SO start up the front and radiator where ithe pipe starts and run your finger down the pipe slowly and you will find where it starts getting wet and the leak will be above it somewere....

Posted on Oct 03, 2009


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Is there anyone out there that has a 98 Lincoln Cont. that has the Check Tranmission light come on Passed 72 MPH? If so how do you fix it?

There are some items to check:

1. Check the transmission fluid level to be sure it isn't too low or too high. The vehicle must be parked on a level surface, be warmed up and be running (idling) to check the fluid. The fluid should be dark red and not have a burned smell. If the transmission fluid is milky colored and way too full, it may mean that there is an internal leak in the transmission cooler tank inside the radiator.
2. When was the last time the transmission fluid was changed? Check your owner's manual if you have one and see what the recommended fluid/filter change intervals are.
3. The transmission cooler lines - look for any kinks, damage or leaks. If there are rubber hose segments in the cooler lines, the hoses can sometimes partially collapse internally and not be visible externally. This usually only occurs on vehicles with high mileage.
4. Check the condition of the engine coolant and antifreeze. The anti-freeze and water mixture should test out to provide freeze protection to about 20 below zero. If the solution it too weak, adequate cooling may not be taking place. Old coolant can be contaminated and dirty, and also cause overheating of the transmission.
5. Check to make sure the engine radiator isn't obstructed by debris or dirty and that the radiator fan is working properly. You didn't say anything about engine overheating, so there probably isn't an issue with the engine thermostat or other engine cooling problem

Feb 08, 2015 | 1998 Lincoln Continental

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You can repair the leak by cutting the line and inserting a piece of rubber hoses with double clamps on both ends. The metal line should actually be flared to prevent the line from sliding off.

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It sounds like one of the transmission cooling lines is leaking, where they attach to the radiator. There may be a rusty section that was 'bumped' while the hoses were being replaced, causing it to leak. If the section that is leaking is not the fitting at the radiator, but a bit away from it, you can cut the section of tubing at the leak, purchase and slip a section of rubber fuel line over the bad area, clamp both ends with small clamps. Make sure the tranny fluid is at the proper level, don't drive it low.

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1999 taurus. 6 cyl OHV. Ran fine over the weekend. Parked car in driveway. Started this morning. Heard high(RPM) pitch winding sound coming from engine or tranmission. Noticed will not reverse or move into...

Check for vacuum lines going to transmission or any vacuum line under hood. It is possible an animal chewed on the lines or wires. We get a few reports of that at Fixya.

You might also look under the dash by the pedals for a vacuum leak. There are vacuum switches for parking brake release and the neutral start switch.

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Yes, The soleniod pack is located on the outside of the transmission. There are a few bolts holding it on and a seal or o ring gasket behind it. The lines mght look corroded and rusted, but if they are not leaking then leave them alone. The inside of the line is just fine. You may borrowing trouble trying to replace them. The fitting and line could be brittle. You may have to purchase the solenoid pack from the dealer not sure. I would check you local auto parts store for the part first. Once the solenoid pack is replace, The tranmission might have to be reset to correct settings. The transmission can be reset by your local transmission shop. The transmission shop may do the repairs for a lot less then the dealer. I would inquire for an estiamate from your transmission shop just in case.

Good Luck

Mar 15, 2009 | 2002 Chrysler Town & Country

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