Question about 1991 Lincoln Mark VII
I recently discovered a leak in the antifreeze reservoir. Is this a problem if I check the radiator each week for proper level? Also, how do you change the spark plugs and wires on a 1991 Lincoln Mark VII LSC? Are special tools needed? I will not be doing this, my brother-in-law is so I need to have everything for him. Thank you.
The plug change I already answered. hope that was enough...although a thought I just had was that some plugs have to be removed thru the wheel arches after removing the tire and inner protective shroud. I cant remember for your vehicle if thats one of the methods, you'll soon find out when u attempt removal of the old plugs.
BTW if you cant seem to get to one, do all the wires and other plugs and get a local mechanic to do the hard one. Dont be tempted to leave one crappy old plug in there you;ll undoubtedly get a large bite in the *** later on for that believe me. I aint done that but I have had to repair vehicles that had that old plug stuck in the rear of a V8 misfiring like hell.......
The coolant leak is not a big problem in the reservoir but if you can see it and/or get the reservoir off easily, I have fixed these a few times by drilling the leak hole round, then screwing in a self-tapping screw covered liberally in gasket ATV or regular silicone (bathroom mirror sealer) the reservoir need to be empty or below the leak line and dry so that the ATV/silicone will bond. A hot glue gun is also an ideal repair tool.
The problem with not repairing the leak is that the coolant pressure will not be right causing a change in the boiling point of the coolant, lowering the boiling point and reducing the cooling effectiveness of the coolant. This is a bit extreme for a small drip but under pressure that can turn out to be a real hisser....anyhow I probably overkilled this problem lol...hope u get it all done ok :)
Posted on Jan 07, 2009
you don't have to worry about a special tool if you are replacing the wires but you will need a 5/8 socket with a rubber boot and an extension and maybe a swival to remove the plugs if there is an auto zone near by they will print you out a diagram for free
Posted on Jan 09, 2009
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