Question about 1988 Volvo 740

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1988 Volvo wagon brake rotor

How do you get the stinkin' front brake rotors off of this thing? Do I have to take apart the entire wheel assembly? I also still need to know if the threads and the power steering control valve on the drivers side are standard or metric.

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There should be a small bolt between the studs that you remove to take the rotor off.Should be metric threads

Posted on Jan 03, 2009

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Need to perform rear brake pad change on 2006 Volvo V70 AWD 2,5T wagon


brakes are brakes, push in , turn in, or two piece calipers. remove wheel , remove two bolts that hold caliper in place, remove replace pads if rotors look good if not remove caliper retainer and rotor replace or have resurfaced at local part store with service. if push in piston push in with c-clamp or piston tool, if turn in will be solid on top with slots for tool to turn in turn to right, tool can be gotten at parts store, if two piece take apart and put back then bleed brakes.

Aug 19, 2012 | 2006 Volvo V70

2 Answers

Front passenger brake is pulsing and there is no abs light on in my 1997 pontiac grand prix.I believe it might be abs sensor but don't know where to find it in wheel assembly.


A front brake pulsing with no ABS light is a rotor that is no longer true i.e warped. Pull off the tire and rotate the rotor. Hold a straight edge (ruler) across the outside of the rotor as your rotating the rotor. You will note that it changes distance on the straight edge / ruler as it rotates. (in out wobble) A good way to test for an out of true rotor is to drive at about 45 miles and hour and really stand on the brakes (do not lock them up) If the steering wheel and or brake pedal pulsate... you most likely have a rotor problem. If your rotor has never been "turned" it is probably time to do so.

The ABS sensor is behind the rotor on the lower control arm pointed outward toward the rotor with a flat button face. You can not see the button face with the rotor installed. If the sensor is bad you will have an ABS light. I think your troubleshooting the wrong problem. i.e rotor vs your current focus of the ABS sensor.

I would like some feed back on the running dynamic on the road brake test.

Thanks for choosing FixYa,
Kelly

Jun 06, 2011 | 1997 Pontiac Grand Prix

1 Answer

Front drivers side wheel shakes excessively when brakes are applied, has newer rotors and pads,so I know the brakes are fine. Any ideas?


I would check to make sure the caliper is secure first and the overall condition of the rotor for maybe over heating if the caliper stuck at one point........Hope this helps.

Oct 09, 2010 | 2004 Volvo V40 Wagon

1 Answer

REMOVAL OF FRONT WHEEL BEARINGS


Front (4 Wheel Drive) To Remove:
  1. Raise and support the vehicle
  2. Remove or disconnect the following:
    • Tire and wheel assembly
    • Rotor (See: Disc Brake Rotor)
    • Wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle
    • Electrical connection for the wheel speed sensor
    • Front drive halfshaft assembly (See: Halfshaft)
    • Hub and bearing assembly mounting bolts 4WD front hub 9308kg35.gif

    • Hub and bearing assembly
To Install:
  1. Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing assembly
  2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent
  3. Install or connect the following:
    • Hub and bearing assembly
    • Hub and bearing assembly mounting bolts and tighten the hub to knuckle bolts; Torque to: 133 ft. lbs. (180 Nm)
    • Front drive halfshaft assembly (See: Halfshaft)
    • Electrical connection for the wheel speed sensor
    • Wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle and tighten the bolt; Torque to: 106 inch. lbs. (12 Nm)
    • Rotor (See: Disc Brake Rotor
    • Tire and wheel assembly
    Wheel lug nut tightening sequence gm_trk_sub15_wheel_lug_nut_tight_seq.gif

  4. Torque the lug nuts to specification
  5. Test drive the vehicle to confirm the repairs
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Aug 03, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

Grinding, rattling noice coming from the right front. Brake pads are good.


Probably the splash shield hitting the rotor. First visually inspect the rotors for scratches and grooves front and back while the entire vehicle has been lifted off the ground and front tires removed. I fyou can't find any thing put vehicle in gear with parking brakes applied(remember your noise if comming from front of car)and listed for the grinding. Seperate the splash shield from rotor with a dull flat screw driver.

Apr 09, 2010 | 1988 Plymouth Reliant

1 Answer

How to replace 99 gmc 3/4 tom brake rotors


Removal & Installation
  1. Remove 2/3of the brake fluid from the master cylinder.
  2. Raise and support the vehicle.
  3. Remove the tire and wheel assembly.
  4. Remove the front wheel hub extension (dual wheel vehicles only).
    • Insert a drift or large screwdriver through the brake caliper into one of the brake rotor vanes in order to prevent the rotor from turning.
    • Mark the relationship of the front wheel hub extension to the hub
    • Remove the front wheel hub extension bolts
    • Remove the front wheel hub extension from the vehicle. It may be necessary to tap around the perimeter of the hub extension with a rubber mallet to loosen it from the hub
  5. Mark the relationship of the rotor to the hub.
  6. Remove the caliper and mounting bracket as an assembly.
  7. Hang the caliper and the mounting bracket assembly from the suspension using mechanics wire.
  8. Remove the rotor.
  9. If the rotor is difficult to remove due to corrosion in the hub area use the following procedure to remove the rotor (25 series only).
    • Clean all the surface areas and the threaded holes of contamination
    • Generously apply penetrating oil or the equivalent to the hub/rotor area
    • Insert (2) M10 x 1.5 bolts (jack screws) into the threaded holes of the rotor
    • Tighten both bolts evenly to force the rotor from the hub.
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To install:
  1. Clean all rust and contaminants from the both side of the rotor and the hub flange.
    NOTE If the rotor was removed using the jack screw method you must ensure that the hub flange is free of nicks or marks caused by this procedure. Remove all raised nicks or marks before installing the rotor.

  2. Install the rotor.
  3. Install the caliper and the mounting bracket as an assembly.
  4. Install the tire and wheel assembly.
  5. Remove the safety stands.
  6. Lower the vehicle.

Oct 25, 2009 | 1999 GMC Sierra

1 Answer

Grinding sound front wheel just replaced brakes last week need diagram for bearing parts


Suspect that a shim or spring/spacer on the brake pad is loose and scraping the rotor. Some shops do not check for proper pad installation...
Test to confirm that it is NOT a bearing, wet with a water hose - the entire rotor and brake assemble and drive for a minute or so. If sound is not present, it is NOT a bearing... but is a piece of the brake pad assemble rubbing inside or on the rotor.

Oct 08, 2009 | 2003 Ford Explorer Sport

1 Answer

Does the entire rear brake assembly need to be taken apart to install a wheel berring


you have to pull the rotor off and the bearings are on the spindle behind the rotor or the drum if they are drum brakes

Sep 25, 2009 | 1999 Chevrolet Monte Carlo

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

1 Answer

1987 gmc suburban 4x4 front brake rotor needs replaced


First I feel compelled to get on the soapbox and say ALWAYS replace brake components as sets (Driver AND Passenger Side) to avoid some nasty side affects from disproportional application of the huge forces used in the braking system (like having the wheel ripped out of your hand as the truck dives off in one direction or the other or having one wheel lock up while the other spins freely).

I've changed the rotors on my 1/2 manual hub and 3/4 ton automatic hub 1988 models, so I can tell you from personal experience that if you're reasonably competant with a tool box, doing the job on a half ton is a piece of cake and the Haynes manual and a special socket you can buy at any auto parts store should be all you need. The 3/4 is an entirely different beast though, using a rotor that is wedgemated to the hub and ground true after the fact, so considering that I wouldn't touch that job myself with 30 years experience as an automotive and aircraft mechanic because of the tooling involved, it's pretty safe to say you probably shouldn't either.

One word of warning on the hubs. Unless you're an expert on the specific hub you've got, make certain that you can re-assemble the unit exactly as it came apart. I take advantage of the camera on my cell phone these days on just about every job 'just in case', but that's only one of many options.

Good Luck!

Aug 10, 2008 | 1988 Chevrolet Suburban

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