Brake problem XC90 2006 2.5T
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    1. #1
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      Brake problem XC90 2006 2.5T

      XC90 2006 problem pulling the brakes to the right. The car has been replaced with front brake discs, pads, lower link arms, four-wheel alignment, rear brake pins. The car still pulls right sharply when I brake. What next? The brake test claims the brakes are equal. There are no defects in any joints. :?:

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    3. #2
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      When you say lower link arms, do you mean control arms? If so, what brand?

    4. #3
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      Yes, i mean control arms, sorry. If I remember correctly Mayle HD control arms. I suspect the failure could be rear brake discs and pads (the caliper piston moves well) or front brake pins, is it possible?

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    6. #4
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      Doubt it has anything to do with the rear. I've seen aftermarket control arms cause it.

    7. #5
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      https://forums.swedespeed.com/showth...ll-Please-Help!
      https://forums.swedespeed.com/showth...harder-braking

      Couple other references to Meyle LCA. Use new bolts for this job if you want it done right the first time, they're torque to yield.
      2005 XC90 B5254T2 019 198k
      2008 XC90 B8444S Sport 452 127k

    8. #6
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      The fault appeared in the car after about a week of inactivity, before that there was no problem.

    9. #7
      Member ggleavitt's Avatar
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      When I bought my '08 at 92k miles (from a Volvo dealer) in 2015, it had a slight right veer on braking that would recover. This being my second XC90, I did a number of visuals and a whole bunch of my own tests and read a lot and I determined that the cause must be the right rear brake doing something funny, I was convinced of it.

      When I took the vehicle in for the complaint under warranty, I asked for their Master Mechanic to have a look. A pair of OE lower control arms and hardware plus an alignment, it drove like new.

      For this scenario, it's a shift in the suspension geometry that's triggered by the act of braking, feels like something in the back but it's all in the front.

      I don't know your full history but if you used aftermarket lower control arms and especially if you used aftermarket lower control arms with the old hardware, this is the first place you should look.

      Good luck in your repair.
      2005 XC90 B5254T2 019 198k
      2008 XC90 B8444S Sport 452 127k

    10. #8
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      If the car was sitting for a week and then you experienced this braking problem, the first thing I would check are the tire pressures to ensure one tire did not have a slow leak.

      A few questions:
      1. When were all these components changed? How long before the vehicle sat for a week?
      2. Why were the rear brake pins replaced? They can be lightly sanded of any grime/corrosion and re-greased.
      3. If the front end work was done more recently, did you try to rotate tires. I have seen brake pull due to uneven tire wear from previous old worn suspension.

      Other things it could be, like others are suspecting, the control arm bushings could have just broken before parking the vehicle, but not sure if that would cause the "sharp" brake pull. Along the same lines, the ball joint could have an issue since you didn't replace that.

      The next step would probably do a visual inspection of the front components to see if there are any obvious signs, like a cracked bushing or leaking balljoint. Hearing how you are suspecting the rear, I am thinking you can tell if the rear is pulling versus the front. My guess would be you don't feel the steering wheel sharply turn on braking. This would again lead to why were the rear caliper pins replaced.

      Any additional info on your XC90 and your climate? How many miles, when were the rear brakes changed, state (for climate), maintenance (like brake fluid), and could you define or clarify what brake test you are referring to.
      2008 XC90 3.2 AWD - 143k miles, Premium, Versatility 7 passenger, Climate, Convenience, retrofit Morimoto D2S HID bi-xenon, iPd swaybars & poly bushing inserts, Powerflex poly control arm bushings, Bilstein Touring Fr struts, Bridgestone Dueler H/L Alenza Plus 255/55R18, Fr Infinity tweeters & speakers, hardwired cheap $17 Amazon Bluetooth to center console aux & pwr, CQuartz UK 3.0 ceramic coated, no oil consumption using Mobil 1 0W-40 even w/ my lead foot

      About the XC90 3.2 - The good, the bad, and the ugly
      Strut Recommendations based on your specific XC90
      Upgrade front end rebuild with OEM, aftermarket, and original parts
      The better transmission JWS 3309/T-IV fluid for your 5 or 6 speed
      Why it's better to use synthetic oil instead of conventional

    11. #9
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      All joints, suspension arms, tire pressure, brakes are checked, nothing is found. The mechanics do not know how to say no, I'm actually a car mechanic but I have never become the same kind of against my own idea ends well.
      Wheel alignment also done.

    12. #10
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      Why were the rear brake pins changed? Why not do the ball joints when the control arms were replaced because it is standard practice to do so? So there wasn't a brake test, just a visual inspection?

      Apparently nothing "they" found does not mean what they looked at is not broken. I am guessing that is why you are here asking for help, but it gets difficult if you do not share information. Video those front control arm bushings while driving in addition while stationary on the ground turning the wheel side to side. See if there is too much movement. Visual inspection on a lift may not reveal control arm bushing issues.

      How many miles on the parts before the vehicle sat for a week? How many on the XC90 total? Who installed the parts? Do you hear any noises, grinding, clunking, clicking, or squealing? Does the vehicle drive straight? Are the mechanics Volvo specialists? Anything else you are willing to share?
      2008 XC90 3.2 AWD - 143k miles, Premium, Versatility 7 passenger, Climate, Convenience, retrofit Morimoto D2S HID bi-xenon, iPd swaybars & poly bushing inserts, Powerflex poly control arm bushings, Bilstein Touring Fr struts, Bridgestone Dueler H/L Alenza Plus 255/55R18, Fr Infinity tweeters & speakers, hardwired cheap $17 Amazon Bluetooth to center console aux & pwr, CQuartz UK 3.0 ceramic coated, no oil consumption using Mobil 1 0W-40 even w/ my lead foot

      About the XC90 3.2 - The good, the bad, and the ugly
      Strut Recommendations based on your specific XC90
      Upgrade front end rebuild with OEM, aftermarket, and original parts
      The better transmission JWS 3309/T-IV fluid for your 5 or 6 speed
      Why it's better to use synthetic oil instead of conventional

    13. #11
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      The brake pins back I switched because the previous owner had put the pins of copper paste, they did not move lightly. If the front brake does not work properly, for example on the left, in which direction does the braking turn the car, to the right? And what about the same situation behind?

    14. #12
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      I'm pretty sure that the problem is due to the fault appeared the brakes the car itself after about a week to use, and before that there were no problems.

    15. #13
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      You can try cleaning and lubricating the front brake pins, that's free. It could be a sticking front caliper or a brake hose, but I still think it's the aftermarket control arms.

    16. #14
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      Quote Originally Posted by jajak900900 View Post
      I'm pretty sure that the problem is due to the fault appeared the brakes the car itself after about a week to use, and before that there were no problems.
      If you are certain of the issue even after differing suggestions from multiple XC90 owners' experiences, then I guess you know what to fix. Good luck.

      From my experience, diagnosing is a process using information, not an immediate top 2 Google search. The decades of my experience in diagnosing reveals never to assume or think logically. We eliminate good parts logically suspected as bring at fault. Sometimes, things break at the same time a different part was being changed. Sometimes we get bad parts. At times, it was the owner's own handy work that was the cause. Other times, mother nature was to blame. To assume, well, how does the saying go...
      2008 XC90 3.2 AWD - 143k miles, Premium, Versatility 7 passenger, Climate, Convenience, retrofit Morimoto D2S HID bi-xenon, iPd swaybars & poly bushing inserts, Powerflex poly control arm bushings, Bilstein Touring Fr struts, Bridgestone Dueler H/L Alenza Plus 255/55R18, Fr Infinity tweeters & speakers, hardwired cheap $17 Amazon Bluetooth to center console aux & pwr, CQuartz UK 3.0 ceramic coated, no oil consumption using Mobil 1 0W-40 even w/ my lead foot

      About the XC90 3.2 - The good, the bad, and the ugly
      Strut Recommendations based on your specific XC90
      Upgrade front end rebuild with OEM, aftermarket, and original parts
      The better transmission JWS 3309/T-IV fluid for your 5 or 6 speed
      Why it's better to use synthetic oil instead of conventional

    17. #15
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      The problem was resolved. The right lower link is ok. The rear rubber at the bottom of the left lower arm is 2-3mm lower than the original. The rubber was able to move in the cavity of the body. The bolt had to be tightened very much and the rubber now stays in place. The problems now disappeared completely.

    18. #16
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      What link are you talking about? The control arm?

      So, it WAS a control arm issue everyone here was suggesting and not a brake issue you were suspecting?
      2008 XC90 3.2 AWD - 143k miles, Premium, Versatility 7 passenger, Climate, Convenience, retrofit Morimoto D2S HID bi-xenon, iPd swaybars & poly bushing inserts, Powerflex poly control arm bushings, Bilstein Touring Fr struts, Bridgestone Dueler H/L Alenza Plus 255/55R18, Fr Infinity tweeters & speakers, hardwired cheap $17 Amazon Bluetooth to center console aux & pwr, CQuartz UK 3.0 ceramic coated, no oil consumption using Mobil 1 0W-40 even w/ my lead foot

      About the XC90 3.2 - The good, the bad, and the ugly
      Strut Recommendations based on your specific XC90
      Upgrade front end rebuild with OEM, aftermarket, and original parts
      The better transmission JWS 3309/T-IV fluid for your 5 or 6 speed
      Why it's better to use synthetic oil instead of conventional

    19. #17
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      If the bushing is moving in the control arm, that's a crappy control arm.

    20. #18
      You need to replace those bolts with the updated ones from Volvo. The posts are a slightly larger diameter. It's just going to happen again, AND they are torque to yield bolts which means if they tightened them "very much" they could be unsafe.
      2010 XC90 V8 - 113k miles
      2012 S60 T5 - 160k miles
      2009 C30 - Totaled. It ate a minivan at 35mph.
      2006 S40 - at 217k it was tired and needed too much.
      2008 XC90 3.2 - traded with 220,780 miles

    21. #19
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      Good information. I'll get new bolts.

    22. #20
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      i found this parts number my VIDA, 999403 it is M14 diameter bolt. Is there a thicker and what part number?

    23. #21
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      Are you saying the bolt holding the control arm to the frame was loose? If so, you are one lucky guy...

      The rubber is bonded to a steel sleeve and the sleeve is pressed into the control arm. Nothing should be able to move.
      John C
      ---------------------
      2011 XC90 3.2 171,000 miles and counting...

    24. #22
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      I had the picture bolt # 13 loose.

      https://www.myvolvoparts.com/Genuine...0_p_20554.html

    25. #23
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      You're one lucky guy to have found it before it snapped.

      The part number you have for the bolt is correct. Get it and put it in there fast!
      John C
      ---------------------
      2011 XC90 3.2 171,000 miles and counting...

    26. #24
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      Quote Originally Posted by jajak900900 View Post
      That's not an XC90.

      If you need that bolt to be tight to keep the bushing from moving in the arm, then you need a better arm.

    27. #25
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      Quote Originally Posted by Tech View Post
      That's not an XC90.
      Something about that site; when you select the part it brings up a diagram showing the right part, but it may be on a different model.

      If you need that bolt to be tight to keep the bushing from moving in the arm, then you need a better arm.
      I doubt the bushing moved in the arm. I think it (the bolt) was just loose. The bolt wouldn't keep the bushing from moving in the arm; it would only hold it against the frame and allow the arm to move on the bushing.
      John C
      ---------------------
      2011 XC90 3.2 171,000 miles and counting...

    28. #26
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      With brakes that pull I would also look at brake lines. I have seen on two different vehicles where the fluid would go in but not return.
      07 XC90 3.2

    29. #27
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      This image was just an example I found on google. Your parts are absolutely right.

    30. #28
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      Strange dipping spongy like motion on left side when braking

      I have 05 XC90 2.5t and I am experiencing a weird spongy dip on braking to the left. It is not brake pull, the nose of vehicle seems to be dipping or squirming to left, not a pull as in traditional brake issues. Stops fine, just feels strange for left to feel like it is dropping. Lower control arms were replaced with OEM 10K ago. Any ideas, never felt anything like this before.

    31. #29
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      Did you check tire pressures to be sure they are equal on all 4 tires?

    32. #30
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      Quote Originally Posted by FREE View Post
      I have 05 XC90 2.5t and I am experiencing a weird spongy dip on braking to the left. It is not brake pull, the nose of vehicle seems to be dipping or squirming to left, not a pull as in traditional brake issues. Stops fine, just feels strange for left to feel like it is dropping. Lower control arms were replaced with OEM 10K ago. Any ideas, never felt anything like this before.
      Sounds like the symptom that I,ggleavitt (post #7), and the OP of this thread had. Rear lower control arm bushing on the opposite side of the "veer', "squirm", "spongy dip", or "fade". It's an odd situation where there's an instant slight pull to one side when braking, yet doesn't continue to try to execute a turn like a brake "pull" and requires little steering effort to overcome it.
      My issue was brand new Delphi rear bushings. I should have compared the two to each other before I installed them, and would have seen the dissimilarity. Went to all Poly and love them.
      2009 XC90 FWD 3.2, 2013 S60 T5
      In the past: '89 745, '91 940, '82 242, '67 122S, '67 123GT, '71 142E, '62 PV544.

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