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Old 03-22-2008, 08:50 AM   #1
Robert Page
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Default LR3 Brake PAD Replacement

I am getting close to needing to replace the rear brake pads on the 05 LR3. I am trying to consolidate the info needed to do this DIY job here in the LR3 forum.

Does anyone have the torque specs for the caliper bolts and bracket bolts? Does anyone have the spec pad thickness for changing them according to LR? I have read the min spec is 3mm and been told to change them at 4mm, again no verification.

Edit: SEE NEXT POST FOR SPECS

Have found the Wagner Thermoquiet pads at $42 rear/$48 front at O'Rileys. No wear sensors included. Rockauto has Monroe pads with the sensors.

EDIT: O'Riley's states they will warrant if they wear out and the wear is even...... I'm in!!
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Last edited by Robert Page; 03-22-2008 at 11:09 PM.
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Old 03-22-2008, 11:07 PM   #2
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Default Re: LR3 Brake PAD Replacement

Specs for Brakes from Service manual. Thanks to Wiggs on Disco3.co.uk!

Wheel Nuts - 140 Nm (103 lb.ft).
Anchor Plate Bolts - 115 Nm (85 lb.ft)
Guide Pin Bolts - 32 Nm (24 lb.ft)
Brake Disc Retaining Screw (Torx) - 35 Nm (26 lb.ft)
Brake Hose Retaining Bracket - 25 Nm (18 lb.ft)
Front Brake Hose Union to Caliper - 32 Nm (24 lb.ft)
Rear Brake Hose Union to Caliper - 28 Nm (21 lb.ft)
Bleed Screw - 14 Nm (10 lb.ft)


Front - Brake disc thickness - NEW 27 mm, Service Limit = 24 mm
Rear - Brake disc thickness, NEW = 20.0 mm (0.78 in), Service limit = 17.0 mm (0.67 in)
Disc Run Out - must not exceed 0.3 mm
Pad minimum thickness 3.0 mm (0.12 in)

Wear sensors must be replaced if warning is actuted.

Hope this helps someone!
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Last edited by Robert Page; 03-22-2008 at 11:10 PM.
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Old 04-26-2008, 12:39 PM   #3
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Default Re: LR3 Brake PAD Replacement

I am sure this is a fairly easy job, but does anyone have step by step instructions to replace front/rear pads to go with these specs?
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Old 04-26-2008, 11:24 PM   #4
Robert Page
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Default Re: LR3 Brake PAD Replacement

Did this today. 1 hour including removing mud!! Do one side at a time.

Rear Brake Pad Replacement (Front is similar):

1. Jack up support the truck on the frame with jack stands.
2. Remove wheel & Tire (torque lug nuts to 103 ft lb on reinstall)
3. Clean all mud/dirt with low pressure water hose and soft brush. Be careful of wear sensor on right side. (Left side on front brakes)

IMG_0605.jpg This is the sensor.

4. Tools you need:

13mm 6pt socket and ratchet
Torque Wrench
8" C Clamp
Small Block of wood or old pad
Needle Nose Pliers ( You MAY need these to GENTLY coax the wear sensor out)
15mm Open End Wrench
Common Screwdriver, 6" (for easing out the pads)
Bungee Cord (for supporting the Caliper out of the way)

IMG_0606.jpg


5. CAREFULLY remove the wear sensor by pulling it straight back and out. It is held in by a spring clip.

IMG_0599-1.jpg The clip is in the top of the inside pad in the caliper, look close!

6. Remove the bleeder screw cover and remove the clip holding the wear sensor cable. Carefully move the sensor and cable out of the way.

IMG_0594-1.jpg

7. Remove the brake caliper lower bolt. You will use the 15mm wrench to hold the slide and the 13mm to remove the bolt.

8. Rotate the caliper upward and support it with the bungee cord. These pads a 4mm thick or about .130". The limit is .12" or 3 mm. If the wear sensor is activated, you need to install a new sensor. (These were Federo pads with only 9000 miles on them!)

IMG_0599-1.jpg

9. Remove the outer pad by sliding it out of the clips. Install the new pad into the clips. NOTE: If your pads a chamfered on only one edge, the chamfer will go to the leading edge or toward the rotation while moving forward.

IMG_0601-1.jpg

10. Remove the inner pad carefully. RETAIN the wear sensor spring clip!! Install the spring clip in the new pad and slip the new pad into the clips. Notice the spring clip installs in the narrow ridge that fits into the groove in the wear sensor.

IMG_0604-1.jpg

11. Using the C Clamp and block of wood or old pad, compress the piston back into the caliper. Do not compress it too far and pinch the seal around the piston. Remove the C Clamp.

IMG_0597-1.jpg

12. Remove the bungee cord and rotate the caliper down and over the new pads. You may have to move it outward on the slides to clear the outside pad.

13. Install the lower caliper bolt. Hold the inner nut with the wrench and torque the bolt to 26 ft lbs.

14. Reattach the wear sensor cable support to the bleeder screw. Reinstall the bleeder screw cap.

15. Carefully reinstall the wear sensor into the inner pad clip.

16. Reinstall wheel and torque lug nuts to 103 ft lbs.

Use the same procedure for the left side. There is no wear sensor on the left side.

Start the truck and depress the brakes a few times to seat the caliper piston against the pads.

You are done!!
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Last edited by Robert Page; 04-26-2008 at 11:42 PM.
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Old 04-26-2008, 11:45 PM   #5
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Default Re: LR3 Brake PAD Replacement

Rear Pads I used:

IMG_0607-1.jpg
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Old 04-27-2008, 02:34 AM   #6
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Default Re: LR3 Brake PAD Replacement

Nice post Robert!
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Old 04-30-2008, 09:54 PM   #7
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Default Re: LR3 Brake PAD Replacement

Quote:
Originally Posted by nwoods
Nice post Robert!
X2
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Old 05-05-2008, 10:58 PM   #8
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Default Re: LR3 Brake PAD Replacement

Just hope you don't have to replace the sensor. Tracing the end of the sensor wire to the connector is a pain in the ass. On mine, the connector was burried on top of the frame. I had to twist my arm around from the back forward and up to reach it and pull it out of the clip on the frame. Not a great design.
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Old 06-14-2008, 08:35 AM   #9
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Default Re: LR3 Brake PAD Replacement

Nice help! I have a comment about pushing the piston back in. I have always open the bleed screw when pushing the piston in so that the fluid was pushed out instead of back up stream. My reasoning was that that's where most of any debris would settle-the lowest point- and that that fluid is likely to have been exposed to the most heat. The downside is if you fumble and introduce air and possibly creating the need for a ECU controlled bleed procedure-like on a D2 with a scan tool and power bleed function.

My D3 brakes have squealed since I bought it. 35k and the dealer tells me they are down to 2 and 4mm, although the sensor light has not come on. Yet. Bought a complete set of Brembo pads and rotors and plan to do them as soon as I finish the 88" on the lift.
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Old 06-18-2008, 03:51 PM   #10
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Default Re: LR3 Brake PAD Replacement

Great Post! I was getting on Discoweb to ask the same exact question. Everything I need is here. Thanks guys!

J
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Old 10-28-2008, 04:09 PM   #11
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Default Re: LR3 Brake PAD Replacement

This is the same as the front, except a 17mm is needed for the caliper bolt, and a thin one at that.
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Old 11-04-2008, 04:32 PM   #12
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Default Re: LR3 Brake PAD Replacement

How difficult is it to replace the disc when you are replacing the pads, and has anyone had any luck with the packaged sets from atlantic british?
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Old 03-10-2009, 09:31 PM   #13
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Default Re: LR3 Brake PAD Replacement

UPDATE: Front Pads and Front Wear Sensor Location

I let the fronts trigger the wear sensor so I had to change it. Part Number SEM000024, $26.00 delivered from British Atlantic. Use the same proceedure as the rear brakes. All torque values are the same. Find that thin wrench! I use a small cresent wrench. I used the same brand pads I put on the rear. The rears are wearing well, no squealing.

The connector is located behind the fender liner directly above the height sensor. It is mounted to to an integrated bracket to the frame. I removed the entire left side inner fender liner, but you could remove just a few of the clips and pull down the liner to change the sensor. Be sure you route the cable exactly the same and install ALL clips.

FYI, in a jam, just cut the wire and short the leads. This will turn off the light and stop the BEEPING. Don't run long like this!!

Location of Connector:
Front Wear Sensor Location.JPG

Wear Sensor, Good and Bad:
Front Wear Sensor.JPG

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Last edited by Robert Page; 03-10-2009 at 09:44 PM. Reason: Added photo of wear sensor
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Old 10-07-2010, 07:38 PM   #14
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Default Re: LR3 Brake PAD Replacement

THANKS FOR THE WRITE UP!!!

Was hesitant to try it, but pretty straight forward, did it myself in a little over 2hrs and I even rotated my tires. My sensors hadnt triggered so did not purchase them.

Only hiccup i ran into was the front sensor(had to be the last to complete also) was a bit worn, was also a tad difficult to pull out from the pad, but I managed.

Saved myself a few bux and learned a little.
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Old 03-01-2011, 05:32 PM   #15
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Default Re: LR3 Brake PAD Replacement

Is this preaty much the same thing for an 2003 range rover?
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Old 03-01-2011, 10:12 PM   #16
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Default Re: LR3 Brake PAD Replacement

You can take it or leave it, but I carefully pulled my sensors and zipped tied them back neatly out of the way last year. No problems as of yet.
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Old 03-06-2011, 10:48 AM   #17
James.Trott
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Default Re: LR3 Brake PAD Replacement

Hey man, I followed your directions step by step, worked awesome thanks.
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Old 04-17-2011, 04:33 AM   #18
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Default Re: LR3 Brake PAD Replacement

2006 LR3 - Great post. Got my highly recommended Akebono EURO Ceramic fronts and rears from AutohauzAZ.com
Fronts: W0133-1844648 $84.22
Rears: W0133-1851653 $73.84
Free and Fast Shipping
Easy install, great pads.
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Old 05-03-2011, 10:03 PM   #19
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Default Re: LR3 Brake PAD Replacement

Gents: Great thread. The dealer is begging me to do my fronts and rears for $1300.00. No dice. Pads have been purchased and feel confident I can accomplish the job. That is, when someone explains how I can get my damn tires off. After almost exploding a nut I got all of my lug nuts off... only to find the wheel sitting in place as if it were still bolted there. Both Front tires were like this. I tried the kick it like a mule method, but the thing didn't budge. IS there something I'm doing wrong? Do I need to douse the thing with KY? why won't my tires come off?

help.

Matt

Last edited by mirepoixmatt; 05-03-2011 at 10:13 PM.
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Old 06-08-2011, 08:20 PM   #20
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Default Re: LR3 Brake PAD Replacement

Yeah. Thanks. Less than 400 for full rebuild kit. Easy job. Except replacing front wear sensor is a pain. But still worth the 600-800$ savings
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Old 06-19-2011, 09:24 PM   #21
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Default Re: LR3 Brake PAD Replacement

Thanks for all the info. All went smooth, changed rotors too. BUT now steering shakes when braking only a week after full replacement. Did I get bad rotors from British Atlantic? Could it be the lines need bled? Is it possible to manually blows the lines like I dinon my disco 1? Thanks for any input.
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Old 09-14-2011, 09:30 AM   #22
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Default Re: LR3 Brake PAD Replacement

Just did this yesterday, instructions were great and helped out, thank you... instead of a thin cresent, I just used a pair of thin lock pliers. I need to go back and replace the front wear sensor, it got dark by the time I got to that wheel yesterday, and I didn't feel like fumbling around with the inner fender.. I just shorted the wires for the time being and the beeping stopped. Btw I used PEX wire sensors (~18/ea) instead of genuine.

Just a heads up, Wagner has a deal right now, $15 rebate on each set ($30 total) for their pads until the end of the month: http://www.tqfallblitzrebate.com/ .... You should be able to get all of the pads for under $50 then.
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Old 11-05-2011, 05:04 PM   #23
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Default Re: LR3 Brake PAD Replacement

Just finished the rear brakes on my '06 LR3. Had the laptop on the tailgate for reference the entire time. Great help and saved myself some $. Thank you.
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Old 11-05-2011, 06:58 PM   #24
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Default Re: LR3 Brake PAD Replacement

Any reason why the left rear brakes would have substantially more pad than the right?
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Old 07-05-2012, 02:29 PM   #25
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Default Re: LR3 Brake PAD Replacement

Should I expect to come across any thing different on a 2009 LR3. The 2 dealerships in my area, one wants almost 1400.00 and the other wants a little over a 1000 for brakes rotor and sensor all the way around.
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