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    1. #36
      Member 1999_V70's Avatar
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      Re: Bevel Gear Failure (JRL)

      Quote, originally posted by JRL »

      You can disagree as you darn please, the fact remains that if you remove the blank switch cover there is wiring there for a tracs switch that when installed, WORKS when pushed.
      SEVERAL guys over on V70R.com have done this

      I'm not arguing about whether it's there or not guy. I understand it's there, as I previously stated. Also, please don't explain to me the fundamentals of the systems, I know them.

      The fact remains though, the TRACS and STC systems were not installed on AWD X70 models from the factory for a reason. Try to put that through your thick heads.

      2013 Volvo S60 T5 Premier
      Caspian Blue / Beechwood

    2. #37
      Member Big Will's Avatar
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      Re: Bevel Gear Failure (895meztz94)

      First of all,

      I don't think any of us appreciate being called "thickheaded" and there are other ways to get your point across that don't require insulting others on the forum.
      I apologize if you were offended by my attempts to explain how the AWD system and the Traction Control System work - your posts made it seem like you didn't have a full understanding - however, I think it benefits everyone to talk about how the system works b/c there are often questions like the one that started this thread which has gone so horribly awry.

      If the "AWD 70 series cars did not come equipped with TRACS from the factory" then why did my 1998 V70 AWD come equipped with TRACS from the factory in Belgium? So did every other 1998 V70 AWD that I have ever seen.

      Once again, I will refer to my quote from VADIS in an earlier post (which is the software that Volvo created for Dealers and Independent mechanics to use to look up parts, repair procedures, and general and specific information about the design and function of their cars) which states that in the 70 series AWD cars that the front wheels are used in conjunction with TRACS and the rear wheels utilize the rear differential.

      I don't understand why you keep arguing that the AWD cars weren't meant to have a traction control system.

      What is it that you think is overlapping between the TRACS/STC and the mechanical AWD system? Please explain your thinking and I'll try to respond later.

      98 V70 AWD - M58 Gearbox - 20T turbo w/angled exhaust housing, Green injectors, NA intake & throttle body, EST Intake, Snabb Fresh Air Pipe, R Manifold, TME Downpipe, TME Exhaust, , IPD Swaybars, Volvo Strut Brace, Íhlins Roadholding Suspension, 302mm ATE front rotors, vented R rears , SS Brake lines, E-code C70 jewel headlamps.

    3. #38
      Senior Member Chilled Man's Avatar
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      Agreed they come stock in the car and its just as simple as adding the button .

      I think some of us
      <<<< Me
      Have total stripped out a V70AWD and it was in there.
      Oh and the V70T5 had it also along with my
      98 V70 R also acutally both of them

      2015 Dodge Journeyl 2001 V70XC-M66 1998 C70 GT
      Unquestionable faith is the Epitome of Ignorance - me

    4. #39

      Re: (Chilled Man)

      Just a quick one guys...my car isn't here and I can't look at it. If the bevel gear was taken out of the car, is the car still drivable (and if not, why not)? From what I remember when I pulled the driveshaft off, it wouldn't be...but I am not certain.

    5. #40
      Senior Member Chilled Man's Avatar
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      bevel gear help out holding in the passenger side drive shaft.

      that and it seals the tranny up

      2015 Dodge Journeyl 2001 V70XC-M66 1998 C70 GT
      Unquestionable faith is the Epitome of Ignorance - me

    6. #41

      Re: (JRL)

      There should be no noticeable play in the pinion output of the bevel gear. if you can move it around, the pinion gear is likely toast. It will only make noise until the pinion gear is mashed, then it will be quiet - ask me how I know.

      From your description, the BG is shot, not the driveshaft - even if one of the joints is bad, it won't cause play in the BG pinion.

      I got a used BG from Stranberg auto $650.

      Driveshaft Doctor (coloradodriveshaft.com) sells the front D/S CV joint and /or the boot kit in either size (early/late).


    7. #42
      CassMori,
      I'm not an expert but have had and fixed a problem with the front flex joint in the rear driveshaft, saving several $100 at least. The sound mine made was a metallic ping-ping-ping coming from the console area that sped up with vehicle speed. Check the play in the front between the driveshaft and the large shaft that comes out of the bevel gear, and look for thrown grease above the cat muffler and a leak in the boot in the joint, and flex in the joint (should be none). I think it sometimes fails because of heat from the cat. It's a little hard to see, but I posted some photos above if you want to take a look. I lost the part no of the repair kit a few hard drive generations ago. This may not be the problem for you and nlemerise but it's easy to check and a cheap repair if it is.

    8. #43
      I'm not Big Will, but in our case, our '98 XC was a very quiet car and never had a whine of any sort in the 98k we ran it.

    9. #44
      Please ignore last post from me. I was only on page 1 of teh thread and didn't realize how much more had been added to clarify the issues.

    10. #45

      Thank you Big Will and Mogatu'r!

      I guess this is the end of the road...the bevel gear is toast...gone. I drained the fluid the other day and it looks like silver paint - full of obvious metallic particles. Anyway, I want to thank everyone because this story has a happy ending (at least as happy as I can imagine it). Through Big Will (see his posts in this thread trying to help me out) and email he sent me, I was able to find a bevel gear with 30k miles on it and a driveshaft for less than the cost of the driveshaft alone! I should get the parts this week and then I will begin the removal and install of the new parts. I suspect I will take pictures and do a write-up to help the next poor bugger remove and replace theirs!

      Onto another one of my questions concerning the install...When I removed the driveshaft from the bevel gear, I marked both the bevel gear flange and the driveshaft so I could reinstall the driveshaft in exactly the same orientation. Now that I will be using another driveshaft, how do I know what is proper orientation?


      Modified by nlemerise at 1:08 PM 6-22-2008


    11. #46
      Senior Member Chilled Man's Avatar
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      It will say front and rear plus if you install it wrong the center mounting spot wont line up
      theres two 12mm bolts where the exhaust hangs from
      2015 Dodge Journeyl 2001 V70XC-M66 1998 C70 GT
      Unquestionable faith is the Epitome of Ignorance - me

    12. #47

      Re: Bevel Gear Failure (JRL)

      Jim,

      Do you think my 2000 S70 AWD is prewired for a TRACS button?

      Joel


    13. #48

      Re: (Chilled Man)

      Quote, originally posted by Chilled Man »
      It will say front and rear plus if you install it wrong the center mounting spot wont line up
      theres two 12mm bolts where the exhaust hangs from

      No, I didn't mean front to back I was worried that the balance would be off if the driveshaft was put on any other way than the way it was taken off. Other driveshafts I have removed I always have marked the differential, the tranny output, and the driveshaft so that I could get it back in as assembled. I guess I'll find out how picky Volvo's are soon enough.


    14. #49
      Senior Member JRL's Avatar
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      Re: Bevel Gear Failure (2000S70AWD)

      Quote, originally posted by 2000S70AWD »
      Jim,

      Do you think my 2000 S70 AWD is prewired for a TRACS button?

      Joel


      Probably, just pull the switch blank out and see...
      If it is, you will see the wiring harness sitting there waiting for the switch!
      Your system is no different than a 2000R and every one of those is prewired
      Remember adding a switch allows you to TURN OFF Tracs/STC, it's already on and working
      Email: jrl1194(at)aol.com
      If the subject is car purchase related please use jrl1194(at)gmail.com
      2006 XC70 White/Black 62K miles, new daily driver
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    15. #50
      Member Big Will's Avatar
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      Re: (nlemerise)

      Are the angle gear and Prop shaft both out of Juan's car? If so maybe he marked them when he removed them? If not...like you said, I guess we'll see how picky Volvos are

      By the way, glad I could help. I always say that's the best part about these forums.

      98 V70 AWD - M58 Gearbox - 20T turbo w/angled exhaust housing, Green injectors, NA intake & throttle body, EST Intake, Snabb Fresh Air Pipe, R Manifold, TME Downpipe, TME Exhaust, , IPD Swaybars, Volvo Strut Brace, Íhlins Roadholding Suspension, 302mm ATE front rotors, vented R rears , SS Brake lines, E-code C70 jewel headlamps.

    16. #51
      Senior Member Chilled Man's Avatar
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      you cant put in the drive shaft backwards it wont fit lol

      and the bolts all weight the same its pretty idiot proof installtion

      2015 Dodge Journeyl 2001 V70XC-M66 1998 C70 GT
      Unquestionable faith is the Epitome of Ignorance - me

    17. #52

      Re: Bevel Gear Failure (JRL)

      Sure enough my S70 AWD is no different, it does indeed have a TRACS harness. Had a new switch delivered and I can't wait to try it out this winter.

      Joel


    18. #53

      Re: (Big Will)

      Quote, originally posted by Big Will »
      Are the angle gear and Prop shaft both out of Juan's car? If so maybe he marked them when he removed them? If not...like you said, I guess we'll see how picky Volvos are

      By the way, glad I could help. I always say that's the best part about these forums.

      Yes, they are out of Juan's R...I looked the driveshaft over that I took out of my car and can find no balance blanks on it...so my guess is that the shaft is balanced at the factory and that there is no "perfect" way to install it. BTW, after I switch out the bevel gear do you think it would hurt the new bevel gear to run without the driveshaft. I wouldn't think so, but just checking with you to be sure. I concur about the forums...this is the best part of the forums when people help people. I just gave a stock Ford superduty radio to a guy on a diesel forum I belong to...what goes around...


    19. #54
      Member Big Will's Avatar
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      I was really hoping Juan had marked the components even though he had no reason to. Then you would have known where the wear (excuse the pun) was on the parts. Oh well.

      It won't hurt anything to run w/out the driveshaft. It's a pretty sealed unit. I would worry if it were the middle of winter and the roads had salt on them etc etc. Just make sure there's the proper fluid in the angle gear b/c it will be turning along with the transmission anyway. Keep us updated.

      Are you thinking of getting a new prop shaft? Or are you just going to enjoy all the extra hp your car has as a FWD.

      98 V70 AWD - M58 Gearbox - 20T turbo w/angled exhaust housing, Green injectors, NA intake & throttle body, EST Intake, Snabb Fresh Air Pipe, R Manifold, TME Downpipe, TME Exhaust, , IPD Swaybars, Volvo Strut Brace, Íhlins Roadholding Suspension, 302mm ATE front rotors, vented R rears , SS Brake lines, E-code C70 jewel headlamps.

    20. #55

      Re: (Big Will)

      No Will, I will be replacing the driveshaft as soon as it gets here. I was just wondering if it was a week or so, could my wife drive it. I figured it was alright, but never hurts to check with those who know more.

      I'm going to run the Mobil 1 synthetic gear oil in the bevel gear...75-90W isn't it?


    21. #56
      Senior Member Chilled Man's Avatar
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      ? I forget exactly what it is the dealer sells it also might be $20 max for the stuff from them
      2015 Dodge Journeyl 2001 V70XC-M66 1998 C70 GT
      Unquestionable faith is the Epitome of Ignorance - me

    22. #57
      Member Big Will's Avatar
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      Ja you got it: 75W-90 synthetic gear oil.
      98 V70 AWD - M58 Gearbox - 20T turbo w/angled exhaust housing, Green injectors, NA intake & throttle body, EST Intake, Snabb Fresh Air Pipe, R Manifold, TME Downpipe, TME Exhaust, , IPD Swaybars, Volvo Strut Brace, Íhlins Roadholding Suspension, 302mm ATE front rotors, vented R rears , SS Brake lines, E-code C70 jewel headlamps.

    23. #58

      Half-shaft seal replacement in bevel gear

      I'm posting this (perhaps I should start a new thread) to kind of tie this thread up).

      http://nlemerise.fileave.com/volvo/bevelgear.jpg

      I took my old bevel gear (after I removed it) and placed a thin pry bar I had between two of the "ears" (180 degrees apart) on the half-shaft retaining ring and tried to unscrew the ring counterclockwise...it took some effort but it does unscrew! The retaining ring also contains the race to a large (~2.5") bearing. So the cover must be put back on exactly the number of turns that it takes to get it off the bevel gear (so the bearing loading is correct)! So then I took my replacement bevel gear, indexed the retaining ring to the cover (I just used a marking pen and drew a line on the case and the retaining ring) and slowly turned the retaining ring counter-clockwise and counted each revolution at the index mark (it took exactly 9 turns). Took the retaining ring off, pressed out the old seal/pressed in a new seal and replaced the o-ring that is on the retaining ring. Then I screwed it back in nine turns, put the locking bolt back in place and now it is like new. Oh, be ready for a shock if you buy the two seals and the o-ring from Volvo...$68.

      I can say that the removal and reseal of the bevel gear is at most, a three hour job. The toughest part of the job was getting the half-shaft off (I pressed it out on the car using an old hub puller) the passenger side and paying $68 for seals that were worth $5


    24. #59

      Re: Half-shaft seal replacement in bevel gear (nlemerise)

      Glad you got it all done, but you did go about it the hard way - the outer seals can be pried out with a screwdriver - and the tranny-side deep seated one can be easily removed with two sheet rock screws & pliers.

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