Question about 1993 Toyota Previa

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Pinion gear We have a 1993 toyota previa. We were driving when the rear axle went out. My husband took off the nose cone (that is what he calls it) from the middle of the axle and notice that the worm gears(what he calls it) were out. Do you know what the actual name is and where we might get another one at.

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Ring and pinion. from dealer

Posted on Nov 16, 2008

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I have a 91 toyota previa and im trying to remove the rear differential..its a 2wd. I have unbolted the drive axle and the differential casing but its my understanding you have to pull lose the rear...


Most differentials are set up like this. There is a steel bar that is i the middle of the gears, this is held in with a bolt. remove the bolt. pull the bar out. Then push the axles in the center. There is a c clip to remove from the axle. They will come out easily. Pull the axles out. Once the axles are out the hog head as they call it, will come out. Just watch as the inner gears will come out also. And will have to be placed in the same spot. Kinda of push in and see. let me know

Aug 16, 2011 | 1991 Toyota Previa

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99 dodge ram van 3500 rear end loud nose when the veh is moving, i have checked the rear oil and it is full.


It could be bad pinion bearings, broken spider gears, etc. inside the differential. It could also be an axle bearing. Check the insides of your rear wheels to see if there is any rear-end grease coming out near the wheel end of the axle. If there is oil coming out, then you have a bad wheel bearing. Otherwise, you will have to remove the differential cover to check for metal particles in the rear end and to see if there are any broken gears.

Jan 10, 2011 | Dodge Ram 3500 Cars & Trucks

1 Answer

When do you change the fluid in the rear differencial. I was told by a mechanic that the rear differencial fluid was low and had metal shavings in it, and that the fluid needed to be changed and that it...


I'd say yes. The differential fluid is often overlooked by oil change technicians, even though it's something that should be topped off periodically.

It probably would cost more than that to repair it once it wears out.
Axle Housing Assembly Removal & Installation To Remove:
  1. Lift the vehicle.
  2. Drain the lubricant from the rear axle housing.
  3. Remove the rear axle assembly from the vehicle.
  4. Remove the brake caliper brackets from the rear hubs.
  5. Remove the rear cover and gasket from the rear axle housing.
  6. Remove the rear axle shafts from the vehicle.
  7. Remove the rear differential assembly from the vehicle.
  8. Remove the brake backing plates from the rear hubs.
  9. Remove the rear drive pinion shaft yoke and seal from the drive pinion.
  10. Remove the drive pinion from the rear axle housing.
To Install:
  1. Install the drive pinion into the rear axle housing.
  2. Install the rear drive pinion shaft yoke and seal onto the drive pinion.
  3. Install the rear differential assembly into the vehicle.
  4. Adjust the differential side bearing preload and the backlash.
  5. Perform a gear tooth contact pattern check.
  6. Install the brake backing plates onto the rear hubs.
  7. Install the rear axle shafts into the vehicle.
  8. Install the rear cover and gasket onto the rear axle housing.
  9. Install the brake caliper brackets onto the rear hubs.
  10. Install the rear axle assembly into the vehicle.
  11. Refill the lubricant in the rear axle housing.
  12. Lower the vehicle.
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I think that changing the fluid would take about an hour, and depending on the garage, and the labor rate, that they might elect to take the rear cover off of the differential, and drain it that way and replace the fluid once it was put back on. He could inspect the gears while the cover was off and tell you how bad it was.'

Do you hear any clunking or gear mesh noises from the rear when putting it in gear or running the vehicle?


Some mechanics would simply top off the fluid and wait until it wears out, which could be several thousand miles in the future.

Use gear oil for it of the recommended viscosity in the service manual.

Generally thicker than motor oil.

So, adding fluid would cost only the amount of the fluid plus some labor.
A bottle of fluid might cost $9.99 or so depending on where you get it.

You might be able to do this yourself if you crawl under there, remove the fill plug at the top, and just add gear oil. If there isn't enough room you might drive it up on some ramps and then crawl under there.

Jul 29, 2010 | 2004 GMC Envoy

1 Answer

How to remove gears from differential on a 95 mustang v6


Removal
  1. Raise vehicle and place jackstands under rear frame crossmember. Lower the hoist so that rear axle housing is at suitable working height.
  1. Remove axle housing cover from rear axle housing and drain lubricant.
  1. Perform the inspection before disassembly.
  1. Remove rear wheels, rear disc brake calipers and rear disc brake rotors.
  2. Working through cover opening, remove differential pinion shaft lock pin and remove differential pinion shaft and differential pinion gears (4215). 3fdbe2c.gif
NOTE: THIS IS FREE INFORMATION!!!!
  1. Remove rear brake anti-lock sensor . Push axle shaft inward until u-washers at button end of the axle shaft are clear of side gear recess.
  1. stb~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage inner wheel bearing oil seals when removing axle shafts from rear axle housing. In addition, axle shafts should be completely removed from rear axle housing.
    Remove u-washers and pull axle shafts out of the rear axle housing. 85189ce.gif

Mar 25, 2010 | 1996 Ford Mustang

1 Answer

How do i change the rear shocks on toyota previa


Some SUVs the rear shocks bolt to the floor panel and some bolt to a hanging bracket from the bottom. The bottom of the shock always uses the rear axle bracket. Make sure the car is jacked up safe with jack stands and level surface

Oct 14, 2009 | 1993 Toyota Previa

1 Answer

How do you make previa awd into rwd.


The Previa has a special hydraulic center clutch. To convert it to rear wheel drive it would be necessary to replace the whole drive train. Disconnecting the front drive shaft on a 4 wheel drive vehicle will only save you a very small amount of of fuel. The only way to see a substantial fuel savings is by disconnecting the front drive axles from the wheels. This is what manual hubs do and that is why they are still popular.
To see even more fuel savings you would need to remove all of the front drive components and this would remove several hundred pounds and ever bit of weight that you can remove adds up to more fuel savings. But now you will end up changing the center of gravity and the balance of the vehicle.
I have made the assumption that you are trying to increase the fuel mileage of your Previa. Is this correct??
So in the long run you are looking at a major rebuild of your Previa. It would be less costly and less of a headache to go buy a smaller more fuel efficient vehicle.
I know that this isn't the answer you were looking for but this is the proper answer. I hope this helps.
Thanks,
rich

Sep 26, 2009 | 1993 Toyota Previa

2 Answers

Rear axle vibration


If you have that much play in the pinion, your pinion is getting worn, or the nut is loose. You may be able to find a rear end at an auto wrecker cheaper than anything.

Jun 06, 2009 | 1986 Jeep Comanche

1 Answer

Torque specs 7.5 inch rear axle 96 ford ranger


Differential bearing caps 70-85 ft lb
Ring gear bolts 70-85 ft lb
Pinion bearing preload if using original bearings 8-14 lb-in, if installing new bearings 16-28 lb-in

Jan 30, 2009 | 1996 Ford Ranger SuperCab

1 Answer

LOUD NOISE FROM REAREND


remove the the diff unit and refit into your casing ,,,easy job,Preload on pinion bearings and set crownwheel backlash to a very small wiggle woggle.handful of LM grease in unit before you refit cover then use ep90 gear oil .job done shouldnt take more than a morning to do.

Dec 23, 2008 | 1991 Toyota Previa

1 Answer

Rear gear ratio for 93 toyota 4x4 pickup 5 speed.


The C/Tr: C refers to the colour of the vehicle Tr refers to the interior colour A/TM is your transmission type. None of those numbers identify the rear end ratio.

What you need to do: Since you have to replace the rear end, yank it out. Examine the ring & pinion gears on the differential carrier. Mark on each a starting point, and count the teeth on both the ring & pinion gears. Now, after you have both totals of teeth, divide the # of teeth on the pinion by the number of teeth on the ring gear. Example: 12 teeth on the pinion, 46 teeth on the ring
12/46 = 3.83 ratio

Aug 22, 2008 | 1993 Toyota Pickup

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