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Mountaineer

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Question
claking noise going up hills
Hi there. In most cases, when you hear a rattling or clanking noise while the vehicle is in motion, it's caused by a drive line component; such as wheel bearings, CV joints or minor items like brackets that may have...
Question
my back passenger wheel locked up what could be wrong
The likely cause is a failed wheel bearing unless something exceptional has caused the brake caliper to lock the brake rotor. By far, the most common cause of what you are describing is simply bearing failure though. Repair can be...
Question
drove it without the oil cap
Hi there. It looks as if you are experiencing some inconsistent problems related to ignition or fuel system components. Driving without the oil cap on can create vacuum issues, but I don't think that the oil issue is the source...
Question
Car has been misfiring 2007 Mercury Mountaineer
Hello - first task is to check for problem codes, whether the Check Engine is lit or not. If it is, there should be an indication of which cylinder is misfiring. Misfiring can be ignition related - plugs, coils, timing...
Question
Transmission
For this 2004 year Mercury Mountaineer they were only equipped with a 5R55S transmission for the 4.0 and 4.6 liter motors. The only different transmissions would be for rear wheel drive or all wheel drive. They are both 5R55S base...
Question
Enabling the park aid
The park assist feature on your vehicle is actuated by putting the gear shift into reverse. It is comprised of a speaker, the sensors, and the park assist module. The module will call for an alert sound when there is...
Question
Went in for an oil change and came out with a non working car.
Hi there. First check the ECM (computer) for any codes that could be store as the check engine light came on. Before blaming any location for the vehicle's running condition, check to see what codes are stored to have a...
Question
Can I change my V8 to a V6 in my 2000 Mercury Moutaineer
Hello. This is something that is possible but it is not typically cost effective. The engine will fit in place but you will need to change over the transmission and all of the electrical and the computers. Once that is...
Question
Blown engine in mariner
2001 Mountaineers sell for $1,000 to $2,000 if in good condition. Professionally rebuilt engines for the 2001 (crate engines) vary in cost depending on which size engine you have and also the drive configuration (e.g., 2WD versus 4WD). At any...
Question
Can not get anti theft to turn off on my car
The first thing to do is remove the installed lock to see if the lock is seized or the latch is broken and needs replaced. If after the lock and latch is fixed then recheck the theft system to see...
Question
anti theft
I believe that the theft light issue you are having is related to the door lock that you replaced. This is the only part that was replaced that is related to the anti-theft system. I would recommend retracing your steps...
Question
Overheats When Blowing Warm With Heat & AC But Not When Blowing Cold AC
Hello, thank you for writing in. There are so many different codes being triggered, that it is unlikely all of these systems are having issues at once. We need to focus in on the fact the engine is overheating at...
Question
Codes For Mountaineer I Asked About Earlier
Any time you are getting multiple codes then you should document the codes and then have them cleared to see if the codes are returning again after a road test. Then scan the computer codes again and then do the...
Question
I have a 97 mountaineer that is dumping brake fluid. The brakes suddenly went soft while driving how do I diagnosis the problem
The problem sounds like a brake hose blew out in the process of the sudden stop. You should have the fluid filled and when someone pushes the brakes locate where the fluid is coming from. If a hose blew out...
Question
My car won't start.
If you put in another set of spark plugs no matter the brand and the vehicle does not start and put back in the original plugs and engine starts. Without seeing the plugs and comparing i would have to say...
Question
I have a 1998 mercury mountaineer. ,I just have the water pump replace and now it want start.The lights come on and it turn over b
Unless electrical connections were removed and not re-connected during the water pump replacement, that repair would not cause the present no start. If the starter motor is turning the engine over rapidly, at sufficient RPM, but the engine does not...
Question
Ignition switch
If you replaced the ignition key switch and now have new keys then you need to have the new keys programmed. If you still have an old key that is programmed then all you need to do is hold that...
Question
My car has to be cranked two or three times before it starts. New spark plugs did not help.
Usually when it takes multiple times to ignite, it's due to an obstruction of fuel or difficulty mixing the fuel / air correctly. I would have your mechanic inspect the mass air flow sensor, the EGR valve and the fuel...
Question
Oil pressure drops too low and then when I start the drive it goes back up to normal 2002 Mercury Mountaineer
Hello - low oil pressure at a hot idle is a normal indicator of worn engine bearings in a high-mileage engine. Since the oil light turns off when you accelerate indicates the oil pump is pumping more than 5 psi...
Question
Battery going dead in short time
You should have the battery charged and tested to see if you have a weak battery. If the radio, lights and key was on then after 30 minutes or more could cause the battery to go dead also. Have battery...

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