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2002 Mercury Grand Marquis - Page 2 Questions & Answers
Heater hose replacement
Bob, I note you didn't actually ask a question.
If you are replacing heater hoses, you can get generic "heater hose" at any parts place. Take a sample of the old to get the right size, and cut it to fit.
2002 mercury grand marquis wont start when engine at normal temperature must wait 15-20 minutes
I have exactly the same problem started last winter, ran fine all summer then as soon as it got below freezing again if I start it and run for 15 20 minutes wont restart I have to let it sit for 20 minutes or so and then it will start again. no codes and just turns over without starting. cant be fuel pump like i said had this problem last winter then ran fine all spring summer and fall! Anybody got the answer for this one??
How do I burp the coo long system in a Mercury grand marquis
Answer borrowed from BigNslow
Determine the capacity of the cooling system, then properly refill the system at the recovery tank or radiator opening with a 50/50 mixture of fresh coolant and distilled water until it reaches the FULL COLD line on the recovery tank or the radiator is full.
Leave the recovery tank or radiator cap off to aid in bleeding the system.
Start the engine and allow it to idle until the thermostat opens (the upper radiator hose will become hot). The coolant level should go down, this is normal as the system bleeds the air pockets out of the system.
Refill the system with coolant to the proper level.
Turn the engine OFF and check for leaks.
How do I replace or adjust the neutral safety switch.
Before you adjust switches, get the car on a lift and be sure the shift linkage is tight. If the linkage is worn, the car may not be fully in park even though the lever and indicator look like the car is in park.
The switch is on the transmission. You should be able to see it when the car is on the lift.
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