Question about 1997 Pontiac Grand Am

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What size wrench to remove 97 grand am disk brake caliper?

This is to remove the two bolts that hold the caliper onto the rotor. It looks like an allen wrench is needed but I don't know the size. I will have to buy one just for this job because none of mine are big enough.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: what size allen wrench for 2001 pontiac sunfire

You need a 3/8" allen wrench, it would be best if you had a socket allen wrench which would work quicker with a wratchet. If you ever have to do a wheel bearing you also need a T55 Torx socket. Hope this helps!!!

Posted on Mar 07, 2009

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crayzeetrayn
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SOURCE: stripped head on a brake caliper bolt

I would try either vise-grips if you can get at it otherwise you may have to get a set of easy-outs. They work by you drilling a hole into the bolthead and then as you turn them they tighten in the opposite direction thereby loosening the bolt .. be sure to put alot of penetrating fluid wherever you can to get in and around the bolt shaft and threads ...

Posted on Mar 28, 2009

emissionwiz
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SOURCE: caliper is sticking

the ABS valve in the ABS hydraulic control unit is leaking pressure and causing brake to apply is the most likely thing wrong..

Posted on May 16, 2009

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SOURCE: after removing the bolts, how do i remove the caliper from rotor?

you may have to push the piston back in the caliper by inserting a flat screwdriver or prybar between the inboard pad and the brake disc. then the caliper should come off without any problems.

Posted on Jul 21, 2009

csmock132
  • 4669 Answers

SOURCE: 1997 Bonneville waterpump removal

Are you talking about the Power steering pulley? Unbolt the pump, It is held on by two bolts and they are accessed thru the holes in the pulley. Just unbolt the pump and move it out of the way. Leave all the lines attached to it.

Posted on Aug 20, 2009

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2 Answers

What size caliper bolt in a 2009 Hyundai Elantra?


12 mm ,14,mm wrench or socket that to remove the caliper 17 mm wrench or socket for the bolt holding the brake pad braket

Mar 14, 2015 | Hyundai Cars & Trucks

1 Answer

I am trying to replace the disk brakes on a 2002 grand Cherokee need to replace pads and rotors, but can't get the calipers off. Is their a special tool to get the pins out?


You don't really have to remove the caliper pins to replace the pads or rotors. If you look on the inside of the caliper,you will see two large bolts, I think they take an 18mm socket or wrench. Remove them,then using a large screwdriver, pry the pads apart. The caliper should now drop down. Be careful not to hang them from the brake lines, set them on something. You should now be able to remove the pads and rotors.

Jul 23, 2011 | 2002 Jeep Grand Cherokee

1 Answer

How do u remove the front brake rotors


The brake rotors on a Toyota Matrix are an extremely important aspect of the brake system. Over time, the rotors, which are the round disc that the caliper and brake pads clamp when the brakes are applied, can get scored, warped or simply wear too thin from use. Rotors should be regularly inspected for wear and replaced if necessary to ensure that your Matrix's brakes function properly and safely. Replacing rotors is a simple job that can be done in a few hours
  • Loosen the lug nuts that fasten the wheels on. Raise the Matrix with a jack and support it securely with jack stands. Remove the wheels.
  • 2 Clean the brake caliper, rotor and nearby areas with brake cleaner and a clean rag. Make sure there is no dirt, oil or contaminants on the brake components.
  • 3 Remove the bolts that hold the caliper to the caliper mounting bracket. There will be two bolts that can be removed with a socket and ratchet or an open-ended wrench.
  • 4 Slide the caliper off of the rotor. Support the caliper with a piece of wire or string so that the weight of it is not on the brake line, which could be damaged from the weight of the caliper.
  • 5 Remove the caliper mounting bracket by removing the two bolts with a ratchet or an open-ended wrench. Set the bracket aside.
  • 6 Pull the rotor straight off of the hub. On the Matrix, the rotors are not bolted on with anything, once the wheel and the caliper are out of the way. However, the rotor may be frozen onto the hub from years of dirt and rust. Use a rubber mallet to tap the rotor off.
  • 7 Replacement is the reverse of removal.




  • Dec 11, 2010 | 2004 Toyota Matrix

    1 Answer

    Brake pad replacement 2004 audi a4 and rotor how do i do and what tools are neccessary?


    YOU NEED REMOVE A LITTLE BRAKE FLUID FROM MASTER CYLINDER.THEN YOU RAISE VECHICLE SAFELY.SUPPORT IT WITH JACK STAND.MAKE SURE VECHICLE IS ON LEVEL SOLID GROUND.REMOVE TIRE OR WHEEL.THEN YOU NEED A LARGE C - CLAMP.PLACE C - CLAMP OVER BRAKE CALIPER AND BRAKE SHOE BACKING.TIGHTEN C - CLAMP JUST ENOUGH PUSH CALIPER PISTON BACK IN CYLINDER BORE TO REMOVE CALIPERS FROM ROTORS.TO REMOVE BRAKE CALIPER YOU NEED 2 OPEN AND BOX END WRENCHES ONE TO HOLD CALIPER SLIDE PINS AND THE OTHER WRENCH FOR LOOSEN CALIPER BOLTS.THEN YOU REMOVE CALIPER AND REPLACE FRONT BRAKE SHOES.IF YOU NEED TO REMOVE BRAKE ROTORS JUST REMOVE THE BRAKE CALIPER CARRIER SUPPORT BOLTS THE REMOVE THE BRAKE CALIPER CARRIER SUPPORT THEN REMOVE ROTOR.YOU NEED TO REPLACE BOLTS WITH NEWS AND USE LOCK TIGHT.THEN YOU PUT IN NEW BRAKE PADS IN CALIPER PUT CALIPER BACK ON SUPPORT CARRIER.REPLACE WITH NEW BOLTS USE LOCK TIGHT THEN TORQUE BOLTS TO 26 FT LBS.MAKE SURE MASTER CYLINDER COVER IN PLACE.WHEN YOU FINISH REPLACING BOTH FRONT BRAKE PADS PUMP BRAKE PEDAL TO SEAT BRAKE SHOES AGAINST BRAKE ROTORS SO YOU WILL HAVE FIRM BRAKES WHEN YOU APPLY THEM. THEN CHECK YOUR BRAKE FLUID LEVEL IN MASTER CYLINDER MAKE SURE ITS NOT LOW. MAKE SURE YOU HAVE FIRM BRAKES BEFORE DRIVING.IF YOU HAVE ANY PROBLEMS CHANGING FRONT BRAKE PADS YOU CAN GO TO ANY AUTO PARTS STORE AND BUY A HAYNES REPAIR MANUAL.

    Jun 16, 2010 | 2004 Audi A4

    1 Answer

    Kia rotor


    Slightly loosen tire lug nuts, raise car with jack, remove lug nuts and wheel, remove caliper bolts from brake calipers. Open cap on brake fluid reservoir, place folded towel over top of reservoir and set cap on the paper towel to hold it in place, use a large 9-inch C-clamp to squeez in on front brake pad about 1/8 inch. REmove caliper from rotor. Hang caliper from shock coils with strong bungie strap so there is no pressure on the brake line. Remove bolts from caliper plate and remove caliper plate. Using oversized phillips screwdriver end attached to a 3/8 inch flex wrench, you will carefully put light pressure in a counter-clockwise direction to remove the brass screws and tap the flex wrench at the same time with a large 3-pound hammer driving the screwdriver end into the top of the screw as you put more pressure on the wrench to loosen the screw. This is about the only way to remove brass screws without "damaging them" and they are a dealer item not found in parts store. There should be two screws holding the rotor on. Then spray liquid wrench or penetrating oil into all holes on rotor toward center to help dissolve rust. Wait three minutes then tap rear of rotor lightly with large hammer taking care NOT to hit the thin metal rotor shield. Eventually, this tapping force will loosen the rotor. Use same technique of tapping the flex wrench when applying pressure to wrench to tighten the brass screws when replacing the rotors.

    Apr 08, 2010 | 2002 Kia Optima

    2 Answers

    I have a 95 Chevy suburban and I am trying to change the rotor and can not get it off. The lugs are attached to the rotor and not sure what I should do


    Removing: Loosen lug nuts (7/8") and spindle nut (36mm). Lift truck. Remove lug nuts, spindle nut, and wheel. Remove 2 bolts (3/8" allen) holding calipers on. Hold the calipers up with a bungee cord. I attached it to the sheet metal of the fender. Remove 4 bolts (15mm) from rear of hubs. Once these bolts are removed you can move the shield that is in-between the hub and the axle(I think). You are moving it to get access to the allen bolt that holds the ABS sensor on. Once you move the shield then you can look through the top of the rotor through the slots and see the sensor line and bolt. I don't remember what size allen this one took. You do need a long allen wrench though. Disconnect sensing line from hub. Now the rotor is ready to come off. I had to use a pry bar to remove this gently working each side until it popped off. Once the rotor is removed, you need to hammer out the lug bolts. Then you have to tap the rotor away from the hub. This took a little work. Then check each of the lug bolts by screwing the lug nuts on them. They should go all the way down by hand. If they don't - go buy new bolts $2 a piece. Installing: Position new rotor on hub. Get some dry ice from your local grocery store and freeze the bolts for about 10 minutes. Pull one bolt out of the ice at a time and install on the rotor and tighten the bolt with the lug nut. I put the nuts on upside down and used a 7/8" wrench and mallet to tap on the wrench to get these as tight as possible. You also have to tap on the head of the bolt and repeat the wrench tapping. Do this for each bolt pulling one out of the ice at a time. You do not have to get the rotor and hub completely together but get it as close together as possible. Once all of the lug bolts are in it is time to put the rotor on the truck. Ensure the shield is on the spindle and install the rotor, again, this takes some work. Once the rotor is on, connect the ABS sensing line. Line up the shield and install 4 bolts to rear of hub. You can align these by moving the hub, not the rotor. Install the caliper, remember to put brake grease on these 2 bolts. You may have to compress the caliper slightly. To do this remove the brake pad that has the circular part of the caliper touching it. Open the brake fill cap on the master cylinder. Use a C-clamp to compress the circular part. Reinstall the brake pad and brake fill cap. Install the caliper. Install the wheel and tighten lug nuts. I used a cheater bar on my tire iron and ensured that the lug bolts were flush with the head of the lug nuts. Then I removed the wheel to verify that the gap between the rotor and the hub was gone. Reinstall wheel, tighten lug nuts, and tighten spindle nut. Once both brakes have been replaced, start up the truck and pump the brakes several times till you feel some tension when pressing them.

    Nov 25, 2009 | 2000 Dodge Durango

    1 Answer

    Front pad replacement the correct method for replaceing front disc pads


    1. Step 1 Remove ½ of the brake fluid from the master cylinder with the syringe and replace the cover. Discard the fluid.
    2. Step 2
    3. Remove the front hubcaps and loosen the wheel nuts using the lug wrench, but do not remove the nuts.
    4. Step 3 Lift the front end of the LeSabre with the floor jack and secure safely onto the jack stands.
    5. Step 4 Remove the wheel nuts and wheels. Screw one wheel nut back onto a wheel stud hand tight to retain the rotor away from the caliper assembly.
    6. Step 5 Place a large C-clamp over the left inboard caliper housing and the outboard pad, and tighten to compress the caliper piston.
    7. Step 6 Remove the two caliper guide bolts using a box end wrench. Remove the caliper and secure it to the vehicle chassis with mechanic's wire or a metal hook.
    8. Step 7 Remove the outboard pad from the caliper on the LeSabre first. Pry it off the outboard caliper housing using the screwdriver.
    9. Step 8 Remove the inboard pad by lifting the retaining clips out of the caliper bore.
    10. Step 9 Clean the surface of the caliper bridge that contacts the backing plate of the pads using a wire brush, and apply a thin coat of brake lubricant to the contact points. Be careful not to let the lubricant get onto the rotor.
    11. Step 10 Install the new inboard brake pad and shim into the caliper piston bore by pressing the retaining clips into the bore until it locks into place.
    12. Step 11 Install the outboard pad onto the caliper housing, making sure to align the retaining clips into the holes in the caliper. Use the screwdriver to convince the clips onto the caliper if necessary.
    13. Step 12 Replace the caliper over the rotor.
    14. Step 13 Clean off the surface of the guide bolts and apply a light coat of lubricant to the smooth surface of them. Align them properly through the rubber boots and bolt the caliper to the knuckle. Tighten the guide bolts using the wrench. Remove the wheel nut from the wheel stud securing the rotor.
    15. Step 14 Replace the wheel and wheel nuts. Tighten the wheel nuts snugly, and re-tighten them (with a torque wrench is recommended set at 100 foot pounds) once the LeSabre is back on the ground.
    16. Step 15 Repeat steps 5 through 14 for the right side.
    17. Step 16 Pump the brake pedal when you're through to seat the new pads against the rotors, then check and add new brake fluid to the master cylinder.

    Jul 16, 2009 | 1998 Mitsubishi Mirage

    1 Answer

    I have a 2000 Passat and going to have my friend replace the rotors and breaks. I am preparing to fix it but want to know what sizes are the bolts for the calipers sliding pins. If you know the Bolt s


    For a wrench or for the acctual bolt size.
    To remove front pads..you need 8mm allen socket to pull the caliper guide pins, then 17 or 18mm..To remove rear pads...you need 13mm socket for lock bolt on guide pins and 15mm open end wrench (thin section to hold guide pin while you remove lock bolts..I ground down a spare wrench). You DO NOT have to remove rear carriers to change rotors..just remove lock screw and angle rotor out. The B5 Passats don't have the electronic parking brake so you don't need VAG Com to change pads.
    Installation tips:
    Clean and regrease the guide pins with "synthetic caliper grease"
    Rear lock bolts come with preapplied thread locker and "are not to be reused"..I just wire brush the threads and use some Loctite Blue on em. I smear just a little antisieze on the inside bore of the rotors and on the lock screw threads to prevent corrosion and make next rotor change ez. Torques:
    Front caliper guide pins:18 ft lb
    Front carrier bolts: 89 ft lb
    Rear guide pin lock bolts:26 ft lb
    Wheel lugs: 89 ft lb

    May 29, 2009 | 2000 Volkswagen Passat 4Motion

    1 Answer

    92 960 wagon with ABS.


    Very easy. Jack up the front of the car and support it with two sturdy jackstands. Remove the front wheels. To the brake fluid nipple on the caliper (the part that squeezed the pads against the rotor), attach a small tube leading to a drainpan, open the nipple, and push back the brake pads from the rotor with a broad screwdriver. Close the nipple. Be careful not to damage the pads if you are not replacing them. (It would be wise to replace the pads when you replace the rotors, though).

    Two bolts hold the brake caliper onto the steering knuckle. Remove both bolts, preferably with an impact wrench, and remove the caliper. On some cars the bolts have indented 10mm hex-wrench heads rather than standard bolt heads, so you may need to acquire a new tool. Be careful to support the caliper so you do not damage the hydraulic brake hose. Slip the old rotor off the studs and replace it with your new one. New rotors are packed in oil which will damage your brake pads, so clean the new rotors with vinegar before installing them. Replace the caliper and pads. Check to see you have sufficient brake fluid in the master cylinder reservoir before operating the vehicle. If the brakes seem at all spongy, bring your car to a qualified mechanic to inspect your work and to bleed the brake hydraulic syatem. Always do both front rotors, never just one. Otherwise, your car will **** violently to one side when you brake.

    Oct 03, 2008 | 1996 Volvo 960

    1 Answer

    Replacing the rear rotors on a 2003 E320


    So this is what it takes to replace rear brake rotors on a 2003 Mercedes E320;
    1) open the bonnet (hood) of the car and loosen/remove the cap off of the brake fluid resevior.
    2) remove outer spring clamp from brake assembly (it clips in to the iner edge of the holes of the caliper).
    3)using a 7 MM allen wrench, remove the brake caliper.
    4) using 18 MM box wrench, remove the caliper housing assembly off of the wheel hub.
    5) using a star wrench, unscrew the rotor locking screw from the rotor
    6) squirt some liquid wrench on the rotor hub and knock the rotor with a hammer to work the liquid wrench in.
    7) using the same hammer, knock the rotor off the hub.
    8) using a metal file, lightly file old residue off of the hub and place the new rotor on the hub.
    9) set the hub by screwing in the lug nuts and then screw in the hub locking screw using the star wrench, then remove the lug nuts.
    10) reinstall the caliper housing assembly onto the wheel hub using the 18 MM box wrench.
    11) push back the brake claiper piston to its home position and install the inner brake pad (the one with the snap clips)
    12) insert the outer brake pad in the claper housing assembly.
    13) slide on the caliper housing with the inner brake pad in place (over the outer brake pad) and screw in the caliper screw rods using the 7 MM allen wrench
    14) on the right wheel brakes, DO NOT FORGET to slide in the brake sensor (the one with the black connector) and connect it to the connector on the caliper housing.
    15) be sure to reinsert the spring clamp onto the outer brake assembly to set the assembly squarely onto the wheel (there should be no wiggle in the brake assembly after the spring clamps are installed).
    16) finally mount the wheels.
    17) you can bleed the brakes at this point to release any trapped air (which is unlikely) but be sure to pump the brakes after starting the car BUT BEFORE MOVING IT to re-preassurize the brake system before driving the car.
    17) ONE WEEK LATER - recheck brake assembly to ensure all is okay and brake fluid.

    This proposed solution is for a 2003 Mercedes Benz E320 and NOT a 2005 model as stated by the limited option selection provided by FIXYA.com when initially describing the problem.

    Jul 09, 2008 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

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