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Lifting the rear of an IRS

 
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Adams77



Joined: 07 Oct 2008
Posts: 142
Location: Statham, GA


PostPosted: Wed Dec 03, 2008 12:34 pm    Post subject: Lifting the rear of an IRS Reply with quote

I need to raise the rear of my super up. I have read all about indexing the arms but also have heard horror stories about them.

Does anyone here have experience with this that would not mind lending a helping hand or at least walking me through this. Id like to keep all my fingers.

thanks
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Clyde



Joined: 03 Jun 2006
Posts: 855
Location: Athens


PostPosted: Wed Dec 03, 2008 9:50 pm    Post subject: Reply with quote

I've got a springplate compressor tool you can borrow. You should also replace the 4 rubber bushings while you have the covers off. It's like $20.00 for all 4 bushings. I've never done an IRS before, but it's pretty simple.

Jack the car so it's level (level on the door sills)
Remove the wheel
Disconnect the outer cv from the hub
Hook the compressor on the top body bolt and the under the spring plate, put just a little pressure on it
Remove the cover
Pull the spring plate off the ledge (screw drivers to pry)
Slowly lower the spring plate with the compressor tool
When tool is relaxed, check the angle on the plate with an angle checking level- write down the angle- it's your starting point!
Adjust one notch on the outside (check your Bentley manual for how many degrees the inside and outside notches are)
reassemble
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71_georgia_beetle



Joined: 28 Mar 2008
Posts: 440
Location: Grayson, GA

1974 Volkswagen Westfalia

PostPosted: Wed Dec 03, 2008 10:59 pm    Post subject: Reply with quote

Witness marks, witness marks, witness marks. I have several under my belt now so make sure you mark the current position on the torsion arm, bushing and a arm. I have busted my knuckles a few times with the compression tool. It's hard to get it to hold on an angle. I like using the cup on a floor jack better.

My 2 cents.
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74 Westfalia "Winifrid"
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jimbear



Joined: 12 Jan 2007
Posts: 206
Location: "We don't need no stinking lug nuts!"


PostPosted: Wed Dec 03, 2008 11:23 pm    Post subject: uhh Reply with quote

There is no way around this sounding awkward...

Never did get back to you on this Scott, et al. After we (you) adjusted my torsion bars the rear suspension started squeeking like crazy. I assume this is the shocks. Any ideas...?
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71_georgia_beetle



Joined: 28 Mar 2008
Posts: 440
Location: Grayson, GA

1974 Volkswagen Westfalia

PostPosted: Thu Dec 04, 2008 1:42 am    Post subject: Reply with quote

Very well could be the shock spacers. Reseated in a new position, found something to rub on? Maybe? Try a little spray lube right where the lower knuckle of the shock meets the cup. We can take a look at the xmas parade.

Can you hear it over the loud banging sound, Captain.
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74 Westfalia "Winifrid"
Burel Photography
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