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How to replace a square key on a lawnmower axle

I cannot figure out how to replace the left rear wheel of my lawnmower. The wheel hub does not have a channel to accommodate the square keyway.

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  • 35 Answers

Marc, if the wheel does not have the channel for the square key, then you have a mismatch and the wrong wheel. Put a new tire on the old wheel, or take it in to a mower shop and ask for an exact replacement.
junkl

Posted on May 19, 2014

  • dambunnies
    dambunnies Feb 19, 2015

    MarcTake a file and lightly fileend of the wheel hub(axil) you look close and should see the square key way.

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Posted on Jan 02, 2017

  • 79 Answers

SOURCE: I cannot get the rear wheel off the tractor.

Here is what my manual says. It is for a 14 hp 42" mower deck. 6 sped transaxle.
Block up axle securely.
Remove axle cap, retaining ring and washer to allow wheel removal (rear wheel contains a square key. Do not lose).
Repair the tire and reassemble.
On rear wheels only: align grooves in rear wheel hub and axle. Insert square key.
replace washers and snap retaining ring securely in axle groove.
Replace axle cap.
If you send me your email address I can send you a picture as I do not know how to post pictures on here yet.

Posted on Apr 25, 2009

panilling9
  • 284 Answers

SOURCE: Need to remove rear wheels to replace tires on MTD riding mower.

most likely rust has taken over
find some liquid wrench or pb blaster and spray the axles liberally and let it penetrate the axles and wheel hubs where the axle goes through.
use a 2x4 and a hammer to tap against the wheel hub to try to move it down the axle then tap in back on to try to free it up as the penetrating oil works in, spin the wheel and tap in different areas of it
the worst case cenario would be to use a torch and heat the axle and hub up and drive it off, but it sounds as though you are moving it some and with some patience they eventually should come off
when you put them back be sure to coat the axle with some grease and do not forget to reinstall the key stock in each wheel, if they have it
the bolt in the center of the axle is all you need to remove and note where the washers came from and where they go back.

hope this helps you some

Posted on Jun 14, 2009

  • 110 Answers

SOURCE: How do I remove the square key from the left rear

In theory, the wheel simply slides off after removng the retainer.

If yours won't shift after soaking in WD40 or similar, you will need some sort of puller.

Some craftsman wheels have holes drilled in them for this purpose. If yours don't, you will need to drill some.

DO NOT attempt to hammer the wheel off. You might get away with it, but there is a fair chance that the axle shaft will come out of the transmission. If that happens, the transmission will need to be removed and completely torn down to fix.

If it really won't shift, destroy the wheel and cut it off. It's a pain, but cheaper than a new trans. You can (just about) get the tire off with the wheel still on the tractor.

Use copper-based grease on the axle when re-fitting, to prevent it happening again. I always remove the wheels once a year - just to ensure that I can if I need to!

Posted on May 09, 2010

  • 3 Answers

SOURCE: Transaxle appears not to engage

rider will not go forward or back

Posted on May 18, 2010

  • 26 Answers

SOURCE: Self propelled JS63 Deere Lawn

some times you can add a thin shim to the out side of the wheel mounting center to push the wheel gentally a little more to the drive gear for more positive engagement to the wheels inside gearing, also check your gear drive mounting pins/ keys for wear if thier warn it will engage the end of the drive shaft iradically appearing as slipping type movment at the wheel hope this Helps Steve

Posted on Aug 01, 2010

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1 Answer

Why doesn't it move forward or in reverse?


Many tractors and mowers have a key way on the axle and axle bore on the wheel hub.. Did you remove the tire and wheel from the mower axle? ..if you did most likely the drive axle key fell out of its slot on the drive axle and when you replaced the wheel it has no way to drive the wheels..try this start the mower put it in gear and try to move..have someone watch the end of the axle at the wheel
..if the key is missing the axle will be turning..but not the wheel..any good hardware store should carry them. just measure the depth and width of the key..something like 1/4,3/8 etc...good luck..

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The right rear wheel is not driving. Can you help


You probably shears something. There's probably a keyway with a broken shear key in it or perhaps a spring pin or clevis/hitch pin that's been broken. Try to look in the hub where the shaft goes through it coming from the transmission, if you see holes you need some sort of pin. If you take the wheel completely off and see a keyway in the shaft, you probably sheared the key and need a new one.

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Left rear axle seal leaking on 2007 ford escape how do you fix it


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Craftsman lt1000 stuck in neutral


The rear wheels are keyed to the axle shafts with a sqaure key, if the last owner forgot to replace one of the keys the axle will just turn in the centre of the wheel and not turn it, because the gearbox has a diff it means neither wheel will turn if either side has the square key missing, pull the wheels off and check the key is there.

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1 Answer

How to install rear struts on a 1999 llexus


selectachapter.gif

Lexus Car ES, IS, LS 1998-06
Coil Spring Rear Suspension

Print


Hub & Bearings

Adjustment
Check the backlash in bearing shaft direction and the axle hub deviation. Maximum for backlash should be 0.0020 in. (0.05mm) and for axle hub deviation 0.020 in. (0.05mm).

7923lgb6.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Checking wheel bearings for excessive play


NOTE The rear wheel bearings are non-adjustable. If the wheel bearing is out of specifications, replace the wheel bearing.
Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Raise and safely support the vehicle.
  3. Remove or disconnect the following:

    Rear tire and wheel assembly Rear stabilizer link Rear axle shaft nut Rear disc brake caliper and disc Speed sensor Parking brake assembly at the wheel hub No. 1 and 2 upper control arm assembly No. 1 and 2 rear suspension arm assembly Toe control link Rear axle from hub assembly using a plastic hammer No. 2 rear wheel bearing dust deflector using a screwdriver 4 bolts and rear axle hub and bearing assembly from the axle carrier assembly

To install:
  1. Install or connect the following:

    Hub on the carrier and tighten the bolts to 52 ft. lbs. (70 Nm) No. 2 rear wheel bearing dust deflector using a screwdriver Rear axle into hub assembly No. 1 and 2 upper control arm assembly. Torque the new nut to the No. 2 rear upper control arm to 52 ft. lbs. (70 Nm). Temporarily tighten the No. 1 arm bolt. No. 1 and 2 rear suspension arm assembly. Temporarily tighten. Toe control link. Torque new nut to 52 ft. lbs. (70 Nm). Rear stabilizer link. Torque to 20 ft. lbs. (27 Nm). Parking brake assembly at the wheel hub Rear speed sensor Rear axle shaft nut. Torque to 214 ft. Lbs. (290 Nm) and stake the nut with a chisel and hammer. Rear brake disc and disc brake caliper
  2. Adjust the parking brake.
  3. Stabilize the suspension as follows :
    1. Install the wheel(s).
    2. Lower the vehicle and bounce it up and down several times to stabilize the rear suspension.
    3. Raise the vehicle.
    4. Remove the wheel.
    5. Jack up the rear lower suspension armplacing a wood block in between. Apply a load to the suspension so that the lower suspension arm is plkaced in a horizontal position.

  4. Fully tighten the No. 1 rear upper control arm assembly to 119 ft. lbs. (161 Nm).
  5. Fully tighten the No. 1 rear suspension arm assembly to 70 ft. lbs. (95 Nm).
  6. Fully tighten the No. 2 rear suspension arm assembly to 119 ft. lbs. (161 Nm).

    Rear tire and wheel assembly

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Raise and safely support the vehicle.
  3. Remove or disconnect the following:
    NOTE If it is necessary to replace the hub or bearing, replace the components as an assembly.


    Rear tire and wheel assembly If equipped with rear disc brakes, the caliper mounting bolts. Leave the brake line connected and suspend the assembly out of the way. Brake rotor or drum 4 bolts and pull off the rear axle hub O-ring

To install:
  1. Install or connect the following:

    Hub on the carrier and tighten the bolts to 59 ft. lbs. (80 Nm) Rotor or drum Caliper, f equipped with rear disc brakes and tighten the bolts to 34 ft. lbs. (64 Nm) Wheel

  1. Before servicing the vehicle, refer to the Precautions section.
  2. If equipped with air suspension, move the height control switch in the trunk area to the OFF position.
  3. Remove or disconnect the following:

    Negative battery cable Rear wheel(s) Height control sensor link from the lower control arm Anti-lock Brake System (ABS) speed sensor and wiring harness Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire. Brake rotor Parking brake shoes and cable Cotter pin, lock cap and the nut holding the halfshaft to the rear axle Suspension member brace by removing the 2 bolts Halfshaft bolts and washers Halfshaft from the vehicle Strut rod
  4. Place matchmarks on the adjusting cam and body for the No. 1 control arm.
  5. Remove or disconnect the following:

    Nut and adjusting cam Nut on the axle carrier side of the No. 1 lower control arm Separate the control arm from the axle carrier No. 1 lower control arm Stabilizer bar link from the No. 2 lower control arm.
  6. Place matchmarks on the adjusting cam and body.
  7. Remove or disconnect the following:

    Nut and adjusting cam from the No. 2 lower control arm Nut and bolt holding the No. 2 lower control arm to the axle carrier No. 2 control arm from the vehicle Nut and bolt on the lower side of the strut assembly 2 upper control arm set nuts and bolts Axle carrier with the upper control arm
  8. Secure the axle carrier in a vise.
  9. Remove or disconnect the following:

    Nut holding the upper control arm to the axle carrier and remove the control arm Dust deflector. Use a suitable prytool. Oil seal

    0996b43f802092da.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Removing the oil seal (inner)-LS 430

  10. Remove the 2 bolts and nuts and shift the backing the plate towards the hub side (outside).
  11. Remove or disconnect the following:

    Axle hub

    0996b43f802092db.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Removing the axle hub from the axle carrier-LS 430
    Backing plate. Inner race (outside) from the axle hub

    0996b43f802092dc.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Removing the inner race (outside) from the axle hub-LS 430
    Oil seal (outer) from the axle

    0996b43f802092dd.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Removing the oil seal (outer)-LS 430
    Snapring from inside the axle housing Bearing from the axle housing


To install:
  1. Install or connect the following:

    New bearing to the axle housing Snapring to the axle carrier, using snapring pliers New outer oil seal. Coat the oil seal lip with multipurpose grease.

    0996b43f802092de.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Installing the oil seal (outer)-LS 430
    Backing plate to the axle housing. Do NOT install the bolts or nuts at this time. Inner race (inside) to the axle housing Axle hub to the axle housing Backing plate in position. Tighten the bolts and nuts to 43 ft. lbs. (59 Nm). New oil seal (inner) to the axle housing. Coat the oil seal lip with multipurpose grease.

    0996b43f802092e0.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Installing the oil seal (inner)-LS 430
    New dust deflector. Be sure to align the hose for the ABS speed sensor in the dust deflector and axle carrier. Upper control arm to the axle carrier by installing the nut. Tighten the nut to 80 ft. lbs. (108 Nm). Axle carrier and upper control arm to the vehicle as an assembly 2 upper control arm set bolts and tighten the bolts to 121 ft. lbs. (164 Nm) Bolt and nut holding the strut to the axle carrier. Tighten to 101 ft. lbs. (137 Nm). Bolt and nut connecting the No. 2 lower control arm to the axle carrier. Tighten the bolt to 60 ft. lbs. (81 Nm). Nut and adjusting cam to hold the No. 2 lower control arm to the body. Align the adjusting cam marks and tighten the nut to 57 ft. lbs. (78 Nm). Stabilizer bar link to the No. 2 lower control arm and tighten the nut to 48 ft. lbs. (65 Nm) No. 1 lower control arm to the axle carrier and body. Install the nut to hold the No. 1 lower control arm to the axle carrier. Tighten the nut to 43 ft. lbs. (59 Nm). Nut and adjusting cam to hold the No. 1 lower control arm to the body. Align the matchmarks and tighten the nut to 57 ft. lbs. (78 Nm). Strut rod to the axle carrier and body. Install the bolt and nut to hold the strut rod to the body. Tighten to 57 ft. lbs. (78 Nm). Bolt and nut to hold the strut rod to the axle carrier. Tighten to 136 ft. lbs. (184 Nm) Parking brake shoes and cable Outboard joint side of the halfshaft and align the matchmarks on the side gear shaft and the halfshaft. Coat the threads with clean oil and install the hexagon bolts. Tighten bolts to 61 ft. lbs. (83 Nm). Suspension member brace with the 2 bolts. Tighten the 2 bolts to 37 ft. lbs. (50 Nm). Nut to hold the halfshaft to the rear axle. Tighten the nut to 213 ft. lbs. (289 Nm). Lock cap and cotter pin Brake disc to the axle hub with the matchmarks aligned. Install the 2 screws and tighten the screws to 48 inch lbs. (5 Nm). Brake caliper to the vehicle and install the 2 bolts. Tighten the bolts to 77 ft. lbs. (104 Nm). ABS speed sensor and wiring harness Height control sensor link with the matchmarks aligned. Tighten the nut to 48 inch lbs. (5 Nm). Rear wheel(s) Negative battery cable

  2. Lower the vehicle and turn ON the air suspension switch.



0996b43f80207fdc.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Exploded view rear carrier assembly, hub and bearing-

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove or disconnect the following:
    WARNING Be careful not to damage the boot and ABS sensor


    Rear wheel(s) Height control sensor link from the lower control arm Anti-lock Brake System (ABS) speed sensor and wiring harness Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire. Brake rotor Parking brake shoes and cable Toe control link Separate upper control arm assembly Shock absorber from axle carrier Suspension arms No 1 and 2 from axle carrier Rear axle from carrier


    Wheel bearing dust deflector 4 bolts and axle & bearing hub assembly

To install:
  1. Install or connect the following:

    4 bolts and axle & bearing assembly. Tighten to 48 ft. lbs (65 Nm) Rear wheel bearing dust deflector Rear drive axle Upper control arm. Temporarily tighten No 2 and No 1 suspension arms. Tighten to 52 ft. lbs. (70 Nm) Shock absorber. Temporarily tighten Toe control link. Tighten to 37 ft. lbs. (50 Nm) Fully tighten upper control arm. Tighten to 52 ft. lbs. (70 Nm) Height control sensor Parking brake shoes and cable Speed sensor Rear disc brake caliper Fully tighten shock with new nut to 52 ft. lbs. (70 Nm) Rear tire
  2. Inspect and adjust rear wheel alignment
  3. Check ABS speed sensor signal

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove or disconnect the following:

    Rear wheel Wheel speed sensor Axle halfshaft Brake caliper and rotor Parking brake shoes Parking brake cable No. 1 lower suspension arm bolt No. 2 lower suspension arm bolt Toe control link Upper ball joint Axle carrier from the vehicle
  3. Press the hub out of the wheel bearing, then remove the backing plate.
  4. Remove the snapring, then press the wheel bearing out of the axle carrier.

To install:

NOTE Use a new toe control link nut for assembly.
  1. Installation is the reverse of the removal procedure, while using the following torque values:

    Backing plate bolts: 43 ft. lbs. (59 Nm) No. 1 lower suspension arm bolt: 55 ft. lbs. (75 Nm) No. 2 lower suspension arm bolt: 81 ft. lbs. (110 Nm) Toe control link nut: 36 ft. lbs. (49 Nm) Upper ball joint nut: 80 ft. lbs. (108 Nm) Brake caliper support bolts: 77 ft. lbs. (104 Nm) Rear wheel lug nuts: 76 ft. lbs. (103 Nm)



0996b43f80208026.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Exploded view rear Axle carrier and hub assembly-ES 330

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove or disconnect the following:

    Rear tire and wheel assembly Brake caliper support bracket Brake rotor Skid control sensor wire 4 bolts and rear hub and bearing assembly Skid control sensor

To install:
  1. Install or connect the following:
    NOTE Inspect bearing back lash and hub deviation


    Skid control sensor Rear axle hub and bearing assembly with 4 bolts. Tighten to 59 ft. lbs. (80 Nm) Skid control sensor wire


    Rear disc Rear disc brake caliper assembly. Tighten to 46 ft. lbs (62 Nm) Flexible brake hose Rear tire and wheel
  2. inspect and adjust rear wheel alignment
  3. Check ABS speed sensor signal


Stabilizer Bar

Removal & Installation

  1. Remove the rear wheels.
  2. Remove the 2 nuts and left stabilizer bar link. If the ball joint turns together with the nut, use a hexagon wrench (5 mm) to hold the stud. Repeat for the right side.
  3. Remove the 8 bolts, 2 No. 1 brackets and 2 bushings. Two types of bolts are used, so make sure the correct bolts are installed.
  4. Remove the stabilizer bar.

To install:
  1. Install the stabilizer bar.
  2. Install the bushing and bracket with the 2 bolts and tighten to 14 ft. lbs. (19 Nm). Install the bushing to the inner side of the bushing stopper on the stabilizer bar.
  3. Connect the stabilizer bar links and tighten the nuts to 29 ft. lbs. (39 Nm). Repeat for the right side.
  4. Install the rear wheels.
  5. Inspect and adjust rear wheel alignment.


Strut & Coil Spring

Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove or disconnect the following:
    CAUTION Do NOT remove the center nut to the strut at this time. The spring on the strut is under high pressure and can cause serious injury.


    No. 2 luggage compartment trim cover Left and right deck side trim box Rear luggage compartment trim cover Front luggage compartment trim cover Left and right side luggage compartment trim covers Rear wheel Rear wheel fender liner No. 2 differential support protector Rear suspension member brace Rear No. 2 lower control arm Mounting bolts and strut assembly
  3. Secure the strut in a vise.
  4. Compress the coil spring
  5. Remove or disconnect the following:

    Upper strut retaining nut Suspension support Upper insulator Bumper Coil spring Insulator

Dec 26, 2011 | 1999 Lexus ES 300

4 Answers

Back wheels make a loud clicking noise


Hi. Loud clicking noises from the rear wheels are usually caused by movement of the square steel key that fits into a groove on the axle inside the wheel hub. This is what drives the wheels.
You will probably get a click for each revolution of the wheels.
To fix it, remove the rear wheels and wipe a thin smear of grease on the key and axle, then replace the wheels.
The grease will allow the key to move slightly without making a noise, and help stop it from wearing.
It sometimes helps to also remove the front wheels, and wipe a thin smear of grease onto the front stub axles. There is no key in the front hubs, but the grease helps to prevent the bearings siezing on to the axles.
Good luck. Neil.

Jun 24, 2010 | Pride New Mobility Legend 4 Wheel Scooter

1 Answer

Im trying to replace my rear axil on my polarise trail boss 2001 it is fighting me need help


You will need a pair of 1 3/4 inch open end wrenches the axle nuts are secured with loctite and torqued to 150 ft/lbs. secure the polaris with blocks so it will not move, Loosen the rear wheel nutswith it on the ground, jack up the rear and support it, remove the rear wheels and hubs, loosen the axle locknut away from the axle nut, then take the axle nut and washer off, the drive chain sprocket and sprocket hub can be left where they are while the axle is driven out,just be prepared to support their weight as the axle passes through the hub, clean any foreign materal from the right side of the axle so it wont be pulled into the eccentric during removal. install the right wheel hub and thread the nut untill its flush with the end of the axle to protect the threads, tap on the right end of the axle with a soft faced hammer to free it, then remove the hub and pull the axle out. Hope this helped.

Mar 16, 2010 | Polaris ATV

1 Answer

Left wheel does not turn, axle turns but wheel does not turn.


You need to remove that wheel and replace the key stock
the axle and wheel should have a factory slot cut in the drive axle and wheel itself
1/4 inch key stock is the most popular and it can be found at most hardware stores.
You also could have what some would call a half moon keyway in the center of the shaft which you cannot see untill you remove the wheel.

May 23, 2009 | Craftsman Garden

1 Answer

I cannot get the rear wheel off the tractor. Question... the ''square key''... I thought mine was missing & secured another one, but WHAT DO I DO WITH THE SQUARE KEY ? Is the original still in the hub part...


Here is what my manual says. It is for a 14 hp 42" mower deck. 6 sped transaxle.
Block up axle securely.
Remove axle cap, retaining ring and washer to allow wheel removal (rear wheel contains a square key. Do not lose).
Repair the tire and reassemble.
On rear wheels only: align grooves in rear wheel hub and axle. Insert square key.
replace washers and snap retaining ring securely in axle groove.
Replace axle cap.
If you send me your email address I can send you a picture as I do not know how to post pictures on here yet.

Apr 24, 2009 | Craftsman Garden

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