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X5 E53 (1999 - 2006)
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  #1  
Old 10-04-2004, 07:20 AM
Scott ZHP's Avatar
Scott ZHP Scott ZHP is offline
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X5 front brakes, any DIY tips?

Went to wash my wifes X5 on Fri night and noticed the yellow brake disc on the dash. No idea how long it's been on, but she swears it just happened.

I ordered the parts from Circle, rotors/pads/clips/hex bolts. Should be here tomorrow. I've changed pads/rotors on dozens of cars before, but this is my first on her car. A couple of questions...

1. What size is the internal hex on the set screw locating the rotor?
2. I usually lube the caliper pins on floating calipers, any gotchas in R&R these?
3. Do the pads come with antisqueal shims or are these a seperate part?
4. Do I need to remove the caliper from the carrier to reinstall the pads?
5. I'm assuming its Ok to just press the pistons back in with a clamp.
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  #2  
Old 10-04-2004, 08:14 AM
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UCrewX5 UCrewX5 is offline
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Quote:
Originally Posted by Scott ZHP
Went to wash my wifes X5 on Fri night and noticed the yellow brake disc on the dash. No idea how long it's been on, but she swears it just happened.

I ordered the parts from Circle, rotors/pads/clips/hex bolts. Should be here tomorrow. I've changed pads/rotors on dozens of cars before, but this is my first on her car. A couple of questions...

1. What size is the internal hex on the set screw locating the rotor?
2. I usually lube the caliper pins on floating calipers, any gotchas in R&R these?
3. Do the pads come with antisqueal shims or are these a seperate part?
4. Do I need to remove the caliper from the carrier to reinstall the pads?
5. I'm assuming its Ok to just press the pistons back in with a clamp.
Scott,

There are several good DIY documents for this on http://x5world.net in the BRAKES, EXHAUST & SUSPENSION section, items 8-13.

Jeff
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  #3  
Old 10-04-2004, 11:01 AM
hayaku hayaku is offline
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Quote:
Originally Posted by Scott ZHP
Went to wash my wifes X5 on Fri night and noticed the yellow brake disc on the dash. No idea how long it's been on, but she swears it just happened.

I ordered the parts from Circle, rotors/pads/clips/hex bolts. Should be here tomorrow. I've changed pads/rotors on dozens of cars before, but this is my first on her car. A couple of questions...

1. What size is the internal hex on the set screw locating the rotor?
2. I usually lube the caliper pins on floating calipers, any gotchas in R&R these?
3. Do the pads come with antisqueal shims or are these a seperate part?
4. Do I need to remove the caliper from the carrier to reinstall the pads?
5. I'm assuming its Ok to just press the pistons back in with a clamp.

1. 6mm hex for the screw for the rotor to hub at 13 ft-lbs
2. none
3. no shims.. just need to use the paste on the backing plates
4. yes, have to remove caliper from the carrier housing... 7mm hex at 22 ft-lbs
4a. if replacing rotors, have to remove the carrier housing, 44 ft-lbs
5. yes, but open the mc cap first
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  #4  
Old 10-04-2004, 11:12 AM
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mickey6 mickey6 is offline
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Lightbulb One thing to look out for

I had a big problem with #1. Taking that 6mm hex screw out as it was frozen/rusted. Tried a Impact Torque crap and in the end had to over-night the sucker with WD40 and use a reverse bit to drill it out. Was a pain in the ass. The other 3 screws came out easily.

Quote:
Originally Posted by hayaku
1. 6mm hex for the screw for the rotor to hub at 13 ft-lbs
2. none
3. no shims.. just need to use the paste on the backing plates
4. yes, have to remove caliper from the carrier housing... 7mm hex at 22 ft-lbs
4a. if replacing rotors, have to remove the carrier housing, 44 ft-lbs
5. yes, but open the mc cap first
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  #5  
Old 10-04-2004, 12:47 PM
hayaku hayaku is offline
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Quote:
Originally Posted by mickey6
I had a big problem with #1. Taking that 6mm hex screw out as it was frozen/rusted. Tried a Impact Torque crap and in the end had to over-night the sucker with WD40 and use a reverse bit to drill it out. Was a pain in the ass. The other 3 screws came out easily.

yeah, they get rusted sometimes. DON'T use an impact gun on those rotor screws. They are very very soft and strip easy. We had to use a screw extractor on my friend's car because he used a sae hex wrench instead of metric and thought it fit ok...

wd40 or liquid wrench for a little bit does wonders on seized bolts...
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  #6  
Old 10-07-2004, 02:02 PM
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Scott ZHP Scott ZHP is offline
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Location: PA, USA
 
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Mein Auto: 03 ZHP, 01 X5, 73 MGB
Quote:
Originally Posted by UCrewX5
Scott,

There are several good DIY documents for this on http://x5world.net in the BRAKES, EXHAUST & SUSPENSION section, items 8-13.

Jeff
Thanks all, got the parts yesterday. Will have a tech session on Sat AM.

Pass/rear window regulator just broke, good thing I still have a bit of warranty left...
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