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I have a 06 UK spec vehicle. I have a wobble on the front wheels when braking. I have had the brakes, discs etc checked by a specialist and they detect no problems there. It has done 35k and dealer serviced. What's the likely fault ?

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It sounds like the rotor is warped. You can probably turn it removing some material from one spot on one side and some from the other side so it will be true.

Posted on Aug 22, 2008

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1 Answer

Severe wheel wobble when braking on steep decents


It is not wheel wobble but vibration from the front brakes. The front brake rotors have worn unevenly (known as disc thickness variation - DTV) and when this occurs you will get vibration from the front rotors as you apply the brakes and it is especially noticeable when braking on down hill runs. DTV is usually caused by poor alignment of the rotors on the hub. In other words sloppy installation procedures.

You will need to replace both the rotors and brake pads on the front and make sure the business that does the work properly checks the rotor for run out.


Disc Thickness Variation DTV Issue 14 Bendix Brakes

DTV Disc Thickness Variation Disc Brakes Australia

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Feb 21, 2016 | Cars & Trucks

2 Answers

What is the torque spec for the front wheel bearing on a 1964 Chrysler New Yorker?


http://www.automobile-catalog.com/make/chrysler/full-size_chrysler_4gen/full-size_4gen_new_yorker_sedan/1964.html

http://www.automobile-catalog.com/auta_details1.php
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NOTE: Always install a new hub nut. The original hub nut is one-time use only and should be discarded when removed.
11. Install hub nut on end of halfshaft stub shaft. With aid of a helper applying brakes to keep front hub from turning, tighten hub nut to 160 N·m (118 ft. lbs.).
12. Install tire and wheel assembly. Install and tighten wheel mounting nuts to 135 N·m (100 ft. lbs.).
13. Lower vehicle.
14. Pump brake pedal several times to ensure vehicle has a firm brake pedal before moving vehicle.
15. Check and adjust brake fluid level as necessary.

Mar 25, 2015 | Chrysler New Yorker Cars & Trucks

1 Answer

2004 tundra brakes problems


i expect the brake discs are worn/warped and /or the pads , only way to tell is to strip down the front wheels etc , check also for any movement in the wheel bearing's , top and bottom ball joints , track rod joints as all these could cause a wobble/vibration under braking if are worn etc

Jul 12, 2014 | 2004 Toyota Tundra

1 Answer

My rear wheel is tilting out at the top.What's wrong ?


Probably a really loose wheel bearing.Jack it up and put it on jackstands very securely ,and chock a front wheel front and back an
d check for
play (don't set emergency brake for this test)
Grasp the top and bottom of tire and see if you can wobble it.Roll it and listen for roughness.A bad bearing with play in it will usually cause a drum brake vehicle to drag the brake shoes,but yours may be disc brakes which may not show this problem. don-ohio

Oct 17, 2011 | 2001 Ford Taurus

2 Answers

When applying brakes - I get a wheel wobble, o.k. when driving normally no wheel wobble. had realignment done about 4 months ago. also when driving on rough or uneven road surface seems like my shock...


it could be the shocks but due to wheel wobble i would say its more to do with worn bushings on the suspension arms etc.... best way to check is to jack up each front corner of the car at a time and shake the wheel see if it has movement side to side or front to rear if so i would reccomend getting it looked at or replacing the bushings :) hoep this helps

Feb 26, 2011 | 2001 Jaguar S-Type

1 Answer

How do you get the capierer pin off to put front brake pads on my Mercury Sable LS?


Section 06-03: Brakes, Front Disc 1999 Taurus, Sable Workshop Manual REMOVAL AND INSTALLATION Brake Shoe and Lining Removal
  1. Remove brake master cylinder filler cap (2162). Check fluid level in brake master cylinder reservoir (2K478) . Remove brake fluid until brake master cylinder reservoir is half full. Discard removed fluid.
  1. Raise vehicle on hoist.
  1. Remove wheel and tire assembly from front disc brake rotor mounting face. Use care to avoid damage or interference with disc brake caliper (2B120) , front disc brake rotor shield (2K004) or front wheel knuckle (3K185) .
  1. Remove rear brake pin retainers (2N386).
  1. NOTE: It is not necessary to disconnect hydraulic connections.

    Lift disc brake caliper from front disc brake caliper anchor plate (2B292) and front disc brake rotor (1125) . Do not pry directly against metal caliper piston or damage will occur.
  1. NOTE: To prevent damage, do not allow disc brake caliper to hang by the front brake hose (2078) .

    Position disc brake caliper out of the way.
  1. Remove inner outer brake shoe and lining (2001) assembly from front disc brake caliper anchor plate .
  1. Inspect both rotor braking surfaces. Minor scoring or buildup of lining material does not require machining or replacement of front disc brake rotor.
-----------------------------------------------------------------
remove the 2 pins, #10 in pic. Usually has a dust cover over pin accessopening. Usually torx haed or hex head bolts (pins).


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Nov 12, 2010 | 1999 Mercury Sable

2 Answers

2000 Dodge Caravan....broken wheel studs...


Yeah , it's a fairly simple repair, All the wheel studs must be replaced and lug nuts also.Closely examine the wheel or get competent tyre replacement company to double check for damage ! Remove the brake disc caliper and brake disc itself (usually 2 cross head screws) , tap off (gently) it may be stuck thru corrosion / rust etc , Broken studs can be knocked out(towards drive shaft ) of the hub assy with a suitable drift and hammer (splined into hub) . The studs are a servicable replacement part. Check all other wheel nuts as this is usually a result from poor fixing or wheel replacement recently .. Good luck

Apr 05, 2010 | 2000 Dodge Caravan

1 Answer

I need to know the procedure for r and r on a front rotor if this is something that can be done at home with limited tools?


1999 Taurus/Sable Section 06-03: Brakes, Front Disc 1999 Taurus/Sable Workshop Manual REMOVAL AND INSTALLATION Procedure revision date: 06/25/1998 Disc Removal
  1. Raise vehicle on hoist.
  1. Remove wheel and tire assembly. Be careful to avoid damage or interference with caliper bleeder screw fitting and front disc brake rotor shield (2K004).
  1. ani_caut.gif CAUTION: Handle front disc brake rotor (1125) and disc brake caliper (2B120) assembly in such a way as to prevent deformation of front disc brake rotor , and nicking, scratching or contamination of brake linings/rotor surfaces.
    NOTE: To prevent damage, do not allow disc brake caliper to hang by the front brake hose (2078) .


    Remove caliper anchor plate bolts and discard. Position disc brake caliper out of the way. Prevent separation of caliper housing from anchor bracket because contamination of guide pin journals can occur.
  1. NOTE: If excessive force must be used during front disc brake rotor removal, the front disc brake rotor should be checked for runout prior to installation.


    If additional force is required to remove front disc brake rotor , apply Rust Penetrant and Inhibitor F2AZ-19A501-A or equivalent meeting Ford specification ESR-M99C56-A on front and rear rotor/hub mating surfaces. First, strike front disc brake rotor between lug bolts (1107) with a plastic hammer. If this does not work, attach 2-3 Jaw Puller 205-D027 (D80L-1013-A) or equivalent and remove front disc brake rotor . Remove front disc brake rotor from wheel hub (1104) assembly by pulling it off the lug bolts.
Installation
  1. If original front disc brake rotor is being installed, make sure rotor braking and mounting surfaces are clean.
  1. ani_caut.gif CAUTION: Failure to clean rust and foreign material from rotor and hub mounting faces when installing new or old front disc brake rotors will result in high rotor runout, which will speed up the development of brake roughness shudder vibration.
    Apply a small amount of Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171-A to pilot diameter of front disc brake rotor.
  1. Install front disc brake rotor on wheel hub assembly.
  1. Install disc brake caliper and new caliper anchor bracket bolts on front disc brake rotor . Tighten caliper anchor bracket bolts to 88-118 Nm (65-87 lb-ft).
  1. ani_caut.gif CAUTION: Failure to tighten lug nuts (1012) in a star pattern may result in high rotor runout, which will speed up the development of brake roughness, shudder and vibration.
    Install wheel and tire assembly on vehicle. Tighten lug nuts to 115-142 Nm (85-104 lb-ft) using Rotunda Accutorq® Lug Nut Socket 164-R0303 or equivalent on a 1/2 inch air impact wrench, or use a torque wrench.
  1. Lower vehicle.
  1. Pump brake pedal prior to moving vehicle to position brake linings.
  1. Road test vehicle.









May 25, 2009 | 1999 Mercury Sable

2 Answers

Cant remove wheel hub


here is procedure

Section 04-01: Suspension and Wheel Hubs, Front 1996 Taurus, Sable Workshop Manual
REMOVAL AND INSTALLATION Wheel Hub Bolt Removal
  1. Raise vehicle on hoist.
  1. Remove wheel and tire assembly. Refer to Section 04-04 .
  1. Remove disc brake caliper (2B120), and front disc brake rotor (1125). Refer to Section 06-03 .
Brake Shoe and Lining Removal
  1. Remove brake master cylinder filler cap (2162). Check fluid level in brake master cylinder reservoir (2K478). Remove brake fluid until brake master cylinder reservoir is half full. Discard removed fluid.
  1. Raise vehicle on hoist. Refer to Section 00-02 .
  1. Remove wheel and tire assembly from front disc brake rotor mounting face. Use care to avoid damage or interference with disc brake caliper (2B120), front disc brake rotor shield (2K004) or front wheel knuckle (3K185).
  1. Remove rear brake pin retainers (2N386). ( I think it is a T 40 torx bit you need)
  1. NOTE: It is not necessary to disconnect hydraulic connections.

    Lift disc brake caliper from front disc brake caliper anchor plate (2B292) and front disc brake rotor (1125). Do not pry directly against metal caliper piston or damage will occur.
  1. Position disc brake caliper out of the way and support with wire to avoid damaging the disc brake caliper and front brake hose (2078).
  1. Remove outer brake shoe and lining (2001) assembly from front disc brake caliper anchor plate.
  1. Remove inner brake shoe and lining assembly.
  1. Position lug bolt (1107) to clear front wheel knuckle (3K185).
  1. Remove lug bolt from wheel hub (1104).



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Installation
  1. Install lug bolt into wheel hub.
  1. Using a lug nut (1012), seat wheel hub bolt into wheel hub.
  1. Install front disc brake rotor and disc brake caliper. Refer to Section 06-03 .
  1. Install wheel and tire assembly. Tighten lug nut to 115-142Nm (85-104 lb-ft).

May 25, 2009 | 1996 Mercury Sable

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