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| D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
30th July 2015, 12:58 PM
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S8 FL Harsh Ride
So now that the car is working again, I can get on to resolving its other issues.
Recently (I think) the car's ride seems to have become quite harsh, and I'm not sure if this coincided with two new tyres and a tyre rotation that I had a month ago. Now it does have the 20" alloys, so I'm not expecting to float down the road, but I feel like every bump can be felt, and there's a lot of road noise that comes up into the cabin on most roads that aren't smooth. Sometimes it can jolt over larger dips in the road, though it never feels unstable or loose. I'm running at 40psi all round as suggested by several on here - I'm not sure if lowering this by 4-5psi is a) going to make any difference, b) going to put the alloys at risk. What should I be looking for/are there any known suspension weak spots? 
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#2
30th July 2015, 01:14 PM
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I can only relate my limited experience. My current S8 felt harsh similar to what you describe, and it had FE 20's and on top of that had some cheap aftermarket harsh front springs.
I had correct factory springs put back on and 18" wheels, and it felt normal again just like my previous S8, comfortable but firm and stable, not wallowy. The 18's run on 32psi, but that's with 245 45 tyres. Last edited by Goran; 30th July 2015 at 01:17 PM.
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#3
30th July 2015, 01:15 PM
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36psi is the standard pressure.
If you want a chart for the fuel flap print this at the right scale and laminate it:
__________________
2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant. 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
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#4
30th July 2015, 01:18 PM
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I'd have a guess at either poor quality tyres and/or front suspension arm wear.
I've had similar symptoms from both.
__________________
2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim. Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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#5
30th July 2015, 01:43 PM
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I do love this forum - instant help!
Yes, I've got the numbers on the inside of the filler cap but general consensus seemed to be 40. Will try at 36 and see what things are like. Springs are factory, and control arms did appear to look good the last time I was down there but I'll have a better look.
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#6
30th July 2015, 01:47 PM
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What make are the tyres?
__________________
2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim. Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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HPsauce 
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