Question about 1993 Mercury Grand Marquis

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Is there a certain kind if antifreeze i need to buy for 93 grand marques??

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All the new coolants used in modern cars will work in both new and old systems, IT IS A UNIVERSAL COOLANT, you car uses what is called Long life coolant, just use one of the name brands like PRESTON, PEEK AND SO ON.

Posted on Feb 16, 2012


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Posted on Jan 02, 2017

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SOURCE: I want to change my antifreeze in my 2003 merc

If there is a drain plug it is at the base of the radiator opposite of the Lower Radiator hose. Most likely there isn't one. The fastest and easiest way is to remove the lower radiator hose and drain the system that way. Replace the hose then refill the radiator by removing the filler cap. You can top off the radiator putting it in the over flow bottle but for refilling after you drain it you need to initially fill it using the filler cap on the radiator. Make sure you have the antifreeze either pre-mixed or you mix it 50/50 with water. Basically you want one jug of Pure antifreeze then fill the rest with water or 3 to four of the Pre mixed antifreeze jugs. Preston has this available but it is meant to topping off a system not filling it from the start.

Posted on Jul 26, 2010

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SOURCE: 93 grand marques I can't get it out of park and

If you normally have to depress the brake to shift out of park the solenoid on the steering column that releases the shifter has gone bad.

Posted on Nov 04, 2010

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1999 mercury grand marques trouble code PO455

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I have a 93 grand am. It overheated I changed the stat,there are no leaks,no antifreeze in the oil or coming out the exhaust,I hooked the fan up so it runs all the time,yet it still runs hot. any ideas.

It has a blown head gasket between cylinder and water jacket and the lack of water/antifreeze in the oil or coming out the exhaust is not away to test it. You will need to do a compression test on each cylinder. But even if water is not getting into the cylinder doesn't mean it's not going where it's not suppose to be.

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I want to change my antifreeze in my 2003 merc grand marque. Where is the drain plug on the radiator? Do I pour the new antifreeze into the overflow tank on top when I refill it?

look down at rad from top to get familiar with where i am talking about. now opposite side of the lower rad hose is where you want to go, two styles of rads, one has a wing nut type white plug, and other as 6 sided white plug, unthread with pliers or by hand loosen till desired flow is coming out. fill into reservior or overflow tank to half way and run engine til i reaches operating temperature and you has good heat out of heater, this makes sure all air is out of system, and this is complete ttop up to full and install cap

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