Question about 2000 Mercury Grand Marquis

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I have 2000 grand marquis and the rearend shaft that connects to driveshaft is very loose, making a terrible roaring. How do i remove this shaft to replace it?

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When you take off the drive shaft, I believe you will reveal the large nut that hold the tail piece on. It has a cotter pin. Remove the nut, and it will slide right out. Then you need a special puller that has fingers that press out ward, hook the bushing, and then extract it. But this could also be an actual bearing I suppose. After tapping the new one in, put in a new seal, and top up the gear oil that you lost when the old seal went out.

Posted on Jun 02, 2010

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My 2000 jeep grand Cherokee Laredo 4 × 4 automatic makes a roaring sound from under the car and a vibration under my feet. When I shift into neutral while driving, it stops. The Trans shifts fine . Any...

A bad u-joint makes a higher frequency sound /vibration than say an unbalanced tire. If you have the v-8, you have all wheel drive and the front driveshaft is always driven. Crawl underneath and wiggle both front and rear driveshafts, if one move significantly more, you've found the culprit. Go ahead and replace all the U-joints at that point.

Feb 14, 2015 | 2000 Jeep Grand Cherokee Laredo

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How to remove the rear drive shaft from a 2004 dodge ram 1500(not a 2500)

It is fairly straight forward. First block the tires and set the emergency brake. Once you disconnected the shaft the transmission won't hold the truck anymore. A 9/16" socket and a 3/8" drive socket should be all the tools you need. Except maybe a extention and universal adapter to make it a little easier to access. There are 4 bolts that hold the driveshaft to the rear differential. Once you have the bolts out the shaft should come loose. You may need to tap on it a little with a rubber mallet (if it has not been changed before)or if you don't have one, place a 2X4 piece of wood on the shaft as close to the rearend as possible and tap it with a regular hammer. After the shaft falls loose simply pull the shaft toward the rearend and it should slide right out. Be carefull not to let the front end just drop on to the ground as it has splines that you don't want to foul up.

Sep 27, 2013 | 2004 Dodge Ram 2500

1 Answer

Rear end vibrations on a 2000 grand marquis

What has been done so far?

Did you go on a road test --you driving
& a mechanic along for a ride & then switch

Do that

Tire Weights fall off
Drive Shaft Joints bad or shaft installed wrong
Rear Shocks worn out
Loose/Worn Bearings
Bad Tire

Speed at the time of vibration on & off gas
tells you something

Nov 30, 2012 | 2000 Mercury Grand Marquis

2 Answers

Air condition blower doesnt work in 2003 mercury grand marquis

Removal & Installation To Remove:
  1. Disengage the wire harness connectors from the retainer.
  2. Disconnect the blower motor electrical connector.
  3. Remove the hose.
  4. Remove the screws and remove the blower motor. CAUTION
    Clean any corrosion from the blower motor shaft before removing the fan.
  5. Remove the wheel from the blower motor.
To Install:
  1. Install the wheel on the blower motor shaft.
  2. Place the blower motor in the housing and install the screws.
  3. Connect the hose to the blower motor.
  4. Connect the electrical connector.
  5. Install the electrical connectors in the retainer.
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Jul 30, 2010 | 2003 Mercury Grand Marquis

1 Answer

Just wondering is the drive shaft is located in or around the differential- my jeep was smoking with a foul odor coming from underneath the vehicle and I was told by 2 mechanics that I need to replace the...

I own an 02' Jeep Liberty. It is either the differential, or the drive shaft.
Is it the front or rear driveshaft? Does the Jeep drive? If the driveshaft
was bad, it wouldn't move, so I'm assuming he's screwing you,since driveshafts don't smoke.LOL. If your front or rearend lube has come all
out or very low, you could get smoking from the diffs,especially if the fluid hit's your exhaust. look under the jeep, to see if any fluid is leaking
from the front or rear driveshafts?good luck.

Mar 29, 2010 | 1996 Jeep Grand Cherokee

1 Answer

1)Feel a jerking in rearend when I take off

Suggestions to check for item #1:

Check Universal joints in the driveshaft using the following procedure:

Park on a flat, level surface. Leave the vehicle in neutral, engage the parking brake, and chock at least one front and one rear wheel, so that the vehicle can not move.

Under the vehicle, grab hold of the driveshaft and rotate it back and forth, checking the U joints for abnormal motion. You should not be able to move it more than approx 1/16th turn in either direction. Excessive U-joint movement will be obvious. Yoke flange movement will not be as obvious, but is still noticeable.

If there is any up/down/side-side movement in the shaft, there are worn components that will need to be replaced.

If no worn components are detected in the drive shaft and associated components, check/replace your diff fluid as necessary. Metal shavings in the fluid may be indicative of an accelerated wear condition, and loose gears will be evident by excessive rotational movement of the driveshaft while not under load.

Dec 25, 2009 | 2004 Ford F250

3 Answers

Whining/grinding noise at deceleration

We have the same problem at our shop. We haven't rebuilt the front differential yet. We tried 3 different shafts on 2 different Jeeps and the noise is on both just the same. By greasing the front driveshaft cv joint, we got he noise to quiet some, but it is still way to loud. With the driveshaft out, the noise is gone. We are about to buy a new shaft from the dealer for $600. There are some service bulletins about some noisy driveshafts.

Jun 15, 2009 | 2009 Jeep Grand Cherokee

2 Answers

Rear end noise

You cannot check universal joints with the driveshaft under tension. Trans needs to be in neutral (wheels blocked or on jackstands)
If diff is noisy, check gears by removing cover and checking lube for metal debris, gears for "sharpening" on edges. Generally it is cheaper to replace unit with one from a scrapyard. Any work regarding bearings or gears requires precise depth and lash adjustment or the unit will quickly fail again.
Universal joint failure will cause a "clunk" when engaging reverse or drive and also can cause vibration similar to out of balance tires. Worst case is a rhythmic squeak while going about 10-20mph.

May 10, 2009 | 1999 Chevrolet Astro

1 Answer

2000 Mercury Grand Marquis

I was given an solution by emissionwiz from the fixya site.


Nov 30, 2008 | 2000 Mercury Grand Marquis

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