| Rear suspension "refresh" - what to replace? | |
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al_roethlisberger Junkie
Name : Al Roethlisberger Age : 56 Location : Sanford, NC Joined : 2013-03-12 Post Count : 960 Merit : 24
| Subject: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 5:52 pm | |
| Unless I missed it, there doesn't seem to be a unified FAQ on refreshing the rear suspension as there is an equivalent for the front suspension, such as the front control arm thread. I understand the rear suspension is simpler, seems to generally be more robust and needs less attention. But as I am about to replace the rear shocks (20yrs old, leaking) and likely install a new rear swaybar (since I already have an Addco for the front sitting in a box), I thought I'd ask what else is recommended for the rear suspension while I'm in there. As mentioned, I plan to replace: - Rear air-shocks with Monroe MA822 - Rear shock upper mounts - Rear sway bar and associated end-links What else: - Control arm bushings? The bushings are available, but are they really user servicable, or actually impossible to install (like the aluminum front control arm bushings)? Is it even necessary in the rear? - Outer tie rod end? Appears discontinued. - Anything else? . | |
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AA Administrator
Name : Aaron Age : 47 Location : C-bus, Ohio Joined : 2007-01-13 Post Count : 18452 Merit : 252
| Subject: Re: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 7:53 pm | |
| - Quote :
- - Rear air-shocks with Monroe MA822
- Rear shock upper mounts - Rear sway bar and associated end-links I would just do these. Easier, and less cost. I still have my original tie rods and control arm bushings, even bearings. Back end is light, things tend to last longer. _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30 3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^ '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
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deekster_caddy Master
Name : Derek Age : 52 Location : Reading, MA Joined : 2007-01-31 Post Count : 7717 Merit : 109
| Subject: Re: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 8:32 pm | |
| You can and should inspect the tie rod and control arm bushings for play. However, there probably won't be much. Those bushings are 'break/fix' kinds of things. Not something to bother with preventively. Only if you have a problem. | |
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al_roethlisberger Junkie
Name : Al Roethlisberger Age : 56 Location : Sanford, NC Joined : 2013-03-12 Post Count : 960 Merit : 24
| Subject: Re: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 9:22 pm | |
| - deekster_caddy wrote:
- You can and should inspect the tie rod and control arm bushings for play. However, there probably won't be much. Those bushings are 'break/fix' kinds of things. Not something to bother with preventively. Only if you have a problem.
Are the bushings even easily replaceable once the arm is removed? I ask because the bushings in the front control arms are apparently either completely unserviceable or very difficult to press in. | |
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matt270avian Expert
Name : Matt Age : 28 Location : Frederick, MD Joined : 2012-01-15 Post Count : 2681 Merit : 54
| Subject: Re: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 9:32 pm | |
| - al_roethlisberger wrote:
- Are the bushings even easily replaceable once the arm is removed?
I ask because the bushings in the front control arms are apparently either completely unserviceable or very difficult to press in. You can probably do it but it would probably require removing the whole control arm and pressing them out with a hydraulic press. Not something worth doing unless they are completely shot. What rear bar are you going to use? Addco, FE3, or F41? | |
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al_roethlisberger Junkie
Name : Al Roethlisberger Age : 56 Location : Sanford, NC Joined : 2013-03-12 Post Count : 960 Merit : 24
| Subject: Re: Rear suspension "refresh" - what to replace? Mon Apr 28, 2014 9:59 pm | |
| I'll be putting in an Addco as I just bought a secondhand Addco front on the forum here.
Al | |
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deekster_caddy Master
Name : Derek Age : 52 Location : Reading, MA Joined : 2007-01-31 Post Count : 7717 Merit : 109
| Subject: Re: Rear suspension "refresh" - what to replace? Tue Apr 29, 2014 3:01 pm | |
| Not exactly serviceable, I'm not sure if they are available or not. I don't know of any such bushings that are "easy" to install. But you should certainly become aware if something back there has a lot of play before you go trying to stiffen up the rear suspension. You can decide not to do anything about it, but at least you'll know. | |
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AA Administrator
Name : Aaron Age : 47 Location : C-bus, Ohio Joined : 2007-01-13 Post Count : 18452 Merit : 252
| Subject: Re: Rear suspension "refresh" - what to replace? Tue Apr 29, 2014 3:50 pm | |
| Check the joints on the adjustment arms. The boots on mine are cracked and leaking grease, which normally indicates need of replacement, but I caught them before they dried out. Still nice and tight. I hit them with a grease gun a couple times a year to keep them lubed up. _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30 3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^ '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
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| Subject: Re: Rear suspension "refresh" - what to replace? | |
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| Rear suspension "refresh" - what to replace? | |
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