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proper brake bleed sequence?

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Old 02-16-2008, 03:06 PM
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BBQ
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Default proper brake bleed sequence?

Can someone refresh my memory? 2002 c5
Old 02-16-2008, 03:14 PM
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David A
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Right Rear
Left Front
Left Rear
Right Front
Old 02-16-2008, 03:45 PM
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73339
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Furthest away from M/C first Then do each one that gets closer
Old 02-16-2008, 03:49 PM
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doesn't matter.
Old 02-16-2008, 04:18 PM
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WRONG....

Originally Posted by mousecatcher
doesn't matter.
Old 02-16-2008, 04:20 PM
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Furthest away from MC is different for a 97-00 then it is for an 01-04 since the lines are run differently. I believe the change was due to the revised active handling system.

I think 97-00 is RR, LR, RF, LF

I KNOW 01-04 is RR, LF, LR, RF

Originally Posted by 73339
Furthest away from M/C first Then do each one that gets closer
Old 02-16-2008, 04:22 PM
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Oh

Sorry about that, didn't know they had a different routing
Old 02-16-2008, 04:25 PM
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Well your statement is correct about the distance from the MC but the fact is if you follow the actual lines the distance can be different than the actual distance of the caliper to the MC. They are actually run in series to each other in two pairs. Depending which set of years the pairings are different...

Originally Posted by 73339
Oh

Sorry about that, didn't know they had a different routing
Old 02-16-2008, 05:40 PM
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Originally Posted by sambarnett
WRONG....
prove it. you merely need to state why it matters. i won't even ask you to provide a citation, since none exist.
Old 02-16-2008, 06:48 PM
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Originally Posted by sambarnett
Furthest away from MC is different for a 97-00 then it is for an 01-04 since the lines are run differently. I believe the change was due to the revised active handling system.

I think 97-00 is RR, LR, RF, LF

I KNOW 01-04 is RR, LF, LR, RF
Old 02-16-2008, 09:11 PM
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It is wrong because two pairs of calipers are run together in series. Therefore one runs off the other. In the case of a 01-04 the LF caliper line then runs to the RR caliper. If you were to bleed the LF before the RR all the air would not all get out of the line...

Originally Posted by mousecatcher
prove it. you merely need to state why it matters. i won't even ask you to provide a citation, since none exist.
Old 02-16-2008, 09:22 PM
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USA1C5
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Originally Posted by sambarnett
Furthest away from MC is different for a 97-00 then it is for an 01-04 since the lines are run differently. I believe the change was due to the revised active handling system.

I think 97-00 is RR, LR, RF, LF

I KNOW 01-04 is RR, LF, LR, RF
You are correct. RR, LF, LR, RF is also correct for 05 thru current.
Old 02-16-2008, 09:32 PM
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gkmccready
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Originally Posted by USA1C5
You are correct. RR, LF, LR, RF is also correct for 05 thru current.
I've done RR, LR, RF, LF since I bought my '06 and it's worked out just fine, so I'm not sure following this ordering makes any real difference.
Old 02-16-2008, 09:42 PM
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Originally Posted by gkmccready
I've done RR, LR, RF, LF since I bought my '06 and it's worked out just fine, so I'm not sure following this ordering makes any real difference.
...never had a problem.
Old 02-16-2008, 09:45 PM
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Originally Posted by gkmccready
I've done RR, LR, RF, LF since I bought my '06 and it's worked out just fine, so I'm not sure following this ordering makes any real difference.
You may be correct, I don't know, I'm just following Shop Manual just in case it makes a difference. It's just as easy to follow Shop Manual.
Old 02-17-2008, 03:57 AM
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Originally Posted by sambarnett
It is wrong because two pairs of calipers are run together in series. Therefore one runs off the other. In the case of a 01-04 the LF caliper line then runs to the RR caliper. If you were to bleed the LF before the RR all the air would not all get out of the line...
i don't see how this matters. first you bleed all the air from the LF line (shared part, plus the part after the tee). now there is no air from the MC to the LF line. then you bleed the RR. now there is no air in that entire circuit.

where is this air that is left over?
Old 02-17-2008, 07:46 AM
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I do RR, LR.

Check the MC then pump the brake peddle a few times

RF, LF

Check the MC then pump the brake peddle a few times.

Put the wheels on and go test them out

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Old 02-17-2008, 07:48 AM
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Originally Posted by mousecatcher
i don't see how this matters. first you bleed all the air from the LF line (shared part, plus the part after the tee). now there is no air from the MC to the LF line. then you bleed the RR. now there is no air in that entire circuit.

where is this air that is left over?
Why should anyone have to "PROVE" anything to you only to have you argue about it?
Old 02-17-2008, 09:31 AM
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Originally Posted by mousecatcher
i don't see how this matters. first you bleed all the air from the LF line (shared part, plus the part after the tee). now there is no air from the MC to the LF line. then you bleed the RR. now there is no air in that entire circuit.

where is this air that is left over?
Just follow the Shop Manual. You can't go wrong even if there is another way.
Old 02-17-2008, 12:57 PM
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Originally Posted by gkmccready
I've done RR, LR, RF, LF since I bought my '06 and it's worked out just fine, so I'm not sure following this ordering makes any real difference.
FWIW -- I presumed this was correct and like yoy have had no problems with this sequence as well on my '07 C6. But now that I have a shiny new set of shop manuals for the car, it pretty clearly says RR - LF - LR - RF in section 5-199. I will now follow this.

BTW - The manual also suggests that with a Scan Tool, you can bleed the ABS system. Guess that means a Tech II so we are out of luck doing that ourselves or is there a aftermarket tool that would allow that?


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