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Failed Rear Suspension Replacement Attempt

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

benpineapple
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Failed Rear Suspension Replacement Attempt

Post by benpineapple » Tue Oct 25, 2016 7:26 am

Well, I ordered new rear shocks and coils (Lesfjors coils, Volvo shocks), and couldn't install them. I was attempting to do a Nivo conversion, but ran into 2 main issues.

1: Upper shock mount not compatible. Nivomat upper shock mounts are wider. No problem I thought, so I ordered some new upper mounts (https://www.fcpeuro.com/products/volvo- ... -9461524oe). No-go. There is nowhere for those mounts to attach to. The whole upper mount setup is different on my V70. The mount "housing" is part of the subframe, not a removable component. I probably could have just used the old mounts, but I fear the imperfect seat.

2: Rear coil setup different than any tutorials or setups I have seen, I can't even find diagrams that look like my coil setup. The coils appear to not be bolted in or anything, no bolts on the top or bottom like on other 850s and V70s I've seen.
IMG_6453.JPG
IMG_6455.JPG
I jacked the rear of the car up with one jack, and also jacked the control arm, to allow the shock to drop out. Once the shock was out, I tried dropping the rear control arm, but it wouldn't drop far enough to get the coil out. And the coil isn't at all in the kind of position where it can be pried out (like all the write-ups show). At that point I realized I would either A: have to remove the upper control arm portion, or find whatever else is keeping the rear axle up, and remove it. or B: somehow get a spring compressor in that confined space and compress the coil to remove. I refuse to use spring compressors because of the danger, so I was out of options.

Anyone have this rear suspension setup? I'm truly stumped here. Oh, and to top it off, FCP sent me URÖ coolant hoses with my order instead of the Mackay ones that I ordered. Not sure what is going on, but I probably shouldn't buy any lotto tickets any time soon.

Thanks!
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2006 V50 T5
2001 V70 X/C AWD

1998 V70 AWD [RIP at 249,255M]
1990 240 [SOLD at 220xxxM]

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erikv11
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Re: Failed Rear Suspension Replacement Attempt

Post by erikv11 » Tue Oct 25, 2016 9:36 am

It sounds like you are blurring the lines between how the rear suspension is set up on FWD cars (almost all the write-ups) and AWD ones (your car). There's probably a way to do what you want but I will be no help ... wait for Neil (scot850) or someone who knows about AWD to chime in. You might want to change your signature or at least mention AWD somewhere in this post, will help people to know what's going on here.


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
'98 S70 NA, 210k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

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Re: Failed Rear Suspension Replacement Attempt

Post by kahl » Tue Oct 25, 2016 5:35 pm

While browsing the IPD web site they had ready made kits for the Nivo conversion. I was contemplating this mod on one of the 98 V70 AWD. I was able to convince the local dealership to price match from another vendor. Got them for $305.00 each.



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Re: Failed Rear Suspension Replacement Attempt

Post by scot850 » Tue Oct 25, 2016 8:06 pm

Hi Ben, first can I ask what car you are driving and the year? It clearly looks like an AWD V70 but is it a V70 AWD or a V70XC? From what you are saying if I read it correct, is the car did NOT have Nivomat suspension and had regular style shocks and you want to replace those with a Nivomat set up is that correct?

I have done a lot of work on my 2000 V70R AWD rebuilding the whole rear end including the sub-frame and then had to replace the springs recently as the old ones failed/sagged after having been powder coated. So to do the springs is not a quick or easy job, but takes patience. I can gladly help you along but need to know what we are working with first. Changing the springs took me about 2 hours a side, but I do have practice!

Looking at your rear control arms it is hard to tell from your picture angle if they have the seat for the Nivomat. I'll see if I have a picture of the one for my car and you can tell me if it is the same. If they are, I do possibly have some spare lower Nivomat mounts if you need them.
P80 AWD Nivomat bracket 003.JPG
Left and right are opposites/handed. It connects into the hole in the picture below above the lower spring mount cup.
IMG_1820.JPG
IMG_1819.JPG
Sub-frame out of 2000 V70R 002.JPG
Nivomat yellow shocks (2).JPG
Above shows all the parts of an AWD rear Nivomat with the lower bracket and the 2 upper seats.

This last picture above shows the upper Nivomat tower where it bolts into. There is a bush/cup that sits at the top pf the Nivomat from the bottom side of the cup and a second one that sits on the top. These act as a cone to centralise the Nivomat shaft in the upper seat.

Hope this helps get things started so I know where you are and what we are starting with!

Neil.
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2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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Re: Failed Rear Suspension Replacement Attempt

Post by benpineapple » Wed Oct 26, 2016 1:20 pm

scot850 wrote:Hope this helps get things started so I know where you are and what we are starting with!

Neil, thanks a ton for all the pics and info, looks like my setup is identical to yours. Sorry for the confusion with my car's model, it is a 1998 V70 AWD, but the PO removed the rear driveshaft, so I didn't feel right labeling it "AWD" in my signature, I haven't earned it. Although I now realize I should to avoid further miscommunication.

Also, my V70 currently has Nivomats, and I would like to convert to non-Nivomat. I could remove the Nivomats just fine, but what I could not do was remove the coil spring. Did you have to pull your control arm to do that, or how do you remove the springs? You mention they are "opposite handed", do they twist out of their lower seats?

Thanks a ton for all the info.


2006 V50 T5
2001 V70 X/C AWD

1998 V70 AWD [RIP at 249,255M]
1990 240 [SOLD at 220xxxM]

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Re: Failed Rear Suspension Replacement Attempt

Post by scot850 » Wed Oct 26, 2016 8:58 pm

I was referring to the lower mounts for the Nivomats and the other obvious part would be the control arms at the rear (upper and lower).

To remove the springs you have to disconnect the lower control arm from the hub, and I also ended up having to drop the jacking point to get the control arm to drop low enough to get the spring out without any residual compression on it. To support the car you can place a axle stand just forward of the circular packing point on the rear suspension just forward of the front stay mount. Support the jacking points as the rear hydraulic brake hoses are attached to them and can be stressed easily. Undo the stay bolts and the long one up thought the jacking point.

If you have not replaced the parking brake cables and they need to be done, now is the time to do it as they pass over the rear jacking point. They are attached with a plastic clip that wraps around the cable and Volvo pop-rivet them from the top. The only way to do this is to remove the brake lines which you really don't want to do!! What I do is use the rivet from below and place a small metal washer above the plastic clip so the rivet has something to pull against. That way you don't need to stress the brake pipes. You could also use a small nut and bolt.

Also be aware the parking brake cable has a plastic sleeve that is held in place by the thin threaded stud on the lower Nivomat mount (you can see this in my last photo above with the 10mm nut on them. A pain to reach.

Again, anything else you need let me know.

I understand the wish of folks to replace Nivomats with regular shocks due to the price, but considering these vehicles are at least 16 years old, a second set should outlive the car. Prices have come down considerably like at Tascaparts:

http://www.tascaparts.com/volvo/v70/862 ... k-absorber

They are now below $300 each!

I saw someone mentioned IPD. Is this the non-Nivomat shocks you bought? They look like they have the same lower and upper mounts as the Nivomat and listed for AWD cars?

https://www.ipdusa.com/prodtype.asp?CAT ... crumbs=987

Anything else feel free to PM me as I am glad to help.

Neil.


2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

Eglacias
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Re: Failed Rear Suspension Replacement Attempt

Post by Eglacias » Thu Oct 10, 2019 9:07 pm

The original question of how regular shocks do not fit the larger seat for Nivomats was never answered here. In fact no one that has done this has specifically addressed the issue how you’re going to get much smaller diameter shocks' top to fit in the seat that is larger at the top, unless someone makes a custom mount for them?



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erikv11
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erikv11

Re: Failed Rear Suspension Replacement Attempt

Post by erikv11 » Thu Oct 10, 2019 10:21 pm

This has been mentioned a lot, you just swap the upper seat too.


'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 140k
'98 S70 NA, 210k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 280k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

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Re: Failed Rear Suspension Replacement Attempt

Post by Eglacias » Fri Oct 11, 2019 12:49 am

Thanks for the reply, this particular thread mentions that situation I am in: the upper seat is built into the frame of the car on my 1997 850 awd low pressure turbo b 5254 t station wagon. Regular shocks it seems would simply have nothing to sit against. However, I do see a part number for that shock 9461631 that looks like it has the same upper diameter as the nivomats?



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jreed

Re: Failed Rear Suspension Replacement Attempt

Post by jreed » Fri Oct 11, 2019 5:28 am

A bit off the topic of suspension, but one thing it would be good to check is the condition of the brake lines... there looks like there could be a crack in one of the rubber brake lines.
Screen Shot 2019-10-11 at 7.27.11 AM.png
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1997 855 GLT (Light Pressure Turbo) still going strong. Previous: 1986 240 GL rusted out in '06, 1985 Saab 900T rusted out in '95, 1975 Saab 99 rusted out in '95, 1973 Saab 99 rusted out in '94

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