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Vacuum Lines / Elbows 850

posted by  bhs82 on  Thu Apr 28 05:36 CST 2005
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last visit: Tue Dec 7 10:15 CST 2010
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Does anyone know the inner diameter of part #976734?

I have been getting nickel and dime REAMED by the dealership on these parts.
Initially I ordered what I knew I needed from FCP, but since then I have had to replace some things unexpectedly (like the "Vacuum Tower" / Niple above the Throttle Body) because I broke something brittle in the process of changing. My local dealers are charging (in some cases), 4 times that of FCP. Like on the front cam oil seals - FCP = $5 each, Local Dealer = $20 each.

Anyway, Naturally I got the elbows and plastic lines as Volvo OEM parts. For all other vacuum lines, I got general auto store tubing for washer/vacuum lines. Just as I thought I was finished, I found one more line - !@#$#$%^&*())_

This line runs from the inlet manifold (off nipple #3 on the Vadis diagram) back to the turbo.

I pulled the line and took it back to Pep Boys to size it up. I found that the diameter on the ends was wider than the middle. Also, the thickness of the rubber on the original was about 50% wider than that of what I could find at the auto parts store.

I figured the ends just got stretched and hardened with heat and time, so I bought a hose that equaled the diameter of the middle which was 7/64". But when I got it home it was too small. Now I wondered if it were a special hose, mfg'd like some of the elbows to varying size on the ends.... But when I called the dealership they gave me the part number listed at the top here and said it was sold by the meter, which means the size would be the same through and through. I am on my way back to Pep Boys to get the next size up (5/32" I think).

BTW, last trip to Pep Boys got me a speeding ticket. Cop said car in front of me was going faster, but because of the "flashy" motorcycle I was riding, it caught his attention. SO there goes $100 I was trying to save ~!@#$^&()+

Can anyone tell me if I can get away with using a general auto store vacuum hose, or if there is a good reason I should go with Volvo OEM lines @ $20/meter
--
1995 850T Wagon 120k








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    Vacuum Lines / Elbows 850

    posted by  Rule 308 on  Thu Apr 28 05:57 CST 2005
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    last visit: Tue May 8 09:20 CST 2012
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    It is printed right on the side of the hose, 4.2mm. You get what you pay for and sometimes you don't even get that. I have had nothing but problems with Elring engine seals and wildcat vacuum line. Sure the stuff will last long enough to get out of the 1 year unlimited warranty that I offer but it has been my experience that by the end of 2 years that the seals are leaking again and by the end of 3-4 years the vacuum line is shot. Yes, the factory Volvo seals and $20.00 a meter hose is more expensive but at least you are getting what you paid for. I for one would not want to go to all of the hassle of putting in front engine seals on a white engine only to have them leak again inside of two years. The vacuum line and rubber elbows that Volvo sells have a hard enough time standing up to the underhood conditions I would think that something aftermarket would be even worse. I would love to have someone prove me wrong though as better parts are always a good thing.

    Mark








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      Vacuum Lines / Elbows 850

      posted by  bhs82 on  Thu Apr 28 07:06 CST 2005
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      last visit: Tue Dec 7 10:15 CST 2010
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      I will check to see if the print is still visible.

      As far as the cam seals, elbows etc, I am DEFINITELY going Volvo OEM... I was just using that price comparison as the 400% cost ration dealer to FCP was the highest, but most every item is costing me at least twice what it would at FCP.

      This hose could probably be swapped out fairly easy should it go bad. Worst case is having to remove the airbox - which I have out now because of other hoses I was replacing.

      If durability is the issue, and an autozone hose will last me 2 years at 1/4 the cost - then it comes down to ease of installation and in this case, I will likely go with the autozone.

      I always get caught in the pickle of buying for the long run, or for now.

      On my Saab, I always bought for the long run... then my wife totalled it, and all the investment was for nothing, so I try and strattle the line - long run on significant items - economy for others - unless that would cause a detriment to the long run items.

      Thanx for the reply,
      Cheers
      --
      1995 850T Wagon 120k







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