Having problems with your 1984 Mercury Grand Marquis ?

What are signs that thermostat is bad - 1984 Mercury Grand Marquis

Posted / edited by AnonymousUser on : 15-01-2018

Answers :

Gage running hot
Repair Help & Product Troubleshooting for 1984 Mercury Grand Marquis

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What are signs that thermostat is bad - 1984 Mercury Grand Marquis


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Locate the water hose at the top of the radiator and follow it to the top of the engine block. There you will find the thermostat housing. Remove the two bolts and remove the housing. Pay attention as to how the thermostat is sitting in the housing. ... 1988 Mercury Grand Marquis

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My heat will suddenly go cold, then after a while it will work again. i think it may be the thermostat, but i'm not sure. I have all the tools to do a thermostat change, I just don't know where it is on this car. 1987 Mercury Grand Marquis with a 5.0 litre motor. Thanks. Dan


Removal & Installation\015\012\015\012\015\012\015\012\015\012CAUTION \015\012\015\012\015\012When draining coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze, and could drink any that is left in an uncovered con ... 1987 Mercury Grand Marquis

My 1988 Mercury Grand Marquis has an overheating issue. I changed the water pump and the thermostat. I also flushed the radiator twice. The Car is still overheating and when i check to see if there is water in the radiator it overflows when i take the radiator cap off. Is there still a problem with the thermostat?


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Hi, I'm trying to replace the thermostat on my 1997 Mercury Grand Marquis. I'm kind of stuck because to drive it anywhere for repair will overheat the engine and my friend informed me that it's a very easy procedure. I purchased the thermostat, gasket and sealant and I need some additional help. First, where is the radiator cap. I believe it's located under the panel that covers the top of the radiator. I'm not sure how to remove this panel. Also, instructions indicate that I should follow the t


Okay....this is for the 4.6L engine....then I'll post for the 5.0L and 5.8L....not sure which one you have....and please don't forget to rate! Thanks a mill!!!!\015\012\015\012\015\012\015\012\015\012Drain the c ... 1997 Mercury Grand Marquis

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1989 Mercury Grand Marquis I have installed the following: new fuel pump relay, fuel pump & filter, new distributor, coil, ignition switch, replaced two damaged lifters and lifter retainer and fuel pressure valve (located on the fuel rail). This is what is occurring. The engine tries to start, but does not. The fuel pump does not turn off once pressure is reached, continues to run. If the car starts, the fuel pump continues to run. The engine, when it runs, does so badly. Fairly recent plugs


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Antifreeze is leaking out pretty bad - 1993 Mercury Grand Marquis


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1997 Mercury Grand Marquis is backfiring alot. Why? What do I need to do to fix it? Is it bad to drive my car in this condition?


If it is backfiring, you will cause major and expensive problems by driving it.You should get a good tune up done, replacing plugs, air filter, change oil, new plug wires, and do all of this if it is determined that you still have good compression i ... 1997 Mercury Grand Marquis

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Thermostat should be at the base of the upper hose where it connects to the intake manifold.You should see two bolts securing the housing to the intake. You will need to drain some coolant from the system first via the radiator drain befo ... 1993 Mercury Grand Marquis
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