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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Should my car have ABS?Views : 1461 Replies : 23Users Viewing This Thread : |
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Apr 10th, 2021, 01:48 | #1 |
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Should my car have ABS?
Because it definitely doesn’t!
Came round a blind corner today and was greeted by a lorry passing a “parked” van. I braked, fairly hard I must say, but it locked up eventually. Should it have ABS? How would I know? Thanks!
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Current: 1996 850 2.5 SE Estate (project) and Mercedes CLS63 Previous Volvos: 1995 850 2.5 SE Saloon and 2003 V40 Sport Lux 1.9d Estate |
Apr 10th, 2021, 02:13 | #2 |
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All P80's from '92 to '05 have ABS.
When you switch your ignition to position II do you see the ABS icon light up in the instrument panel? The module and pump are located next to the NS (left) strut tower. Check the fuse in the engine compartment too.
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Liam... '96 854 TDI SE, '99 V70 2.5D S, '05 C70 2.0T Collection, '05 S80 2.0T SE, '15 V70 D4 SE Lux Nav. |
Apr 10th, 2021, 11:58 | #3 |
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I shall check and report back, cheers!
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Current: 1996 850 2.5 SE Estate (project) and Mercedes CLS63 Previous Volvos: 1995 850 2.5 SE Saloon and 2003 V40 Sport Lux 1.9d Estate |
Apr 11th, 2021, 17:30 | #4 |
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Your Volvo definitly has got ABS! And, if the system is faulty, the ABS Icon comes on, always! The only reason, if this is not so, is, that somebody did not get rid of a problem with the ABS and removed the bulb in the cluster, or the bulb is faulty.
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tack för hjälpen! current: V70 I, B5254T MY99, TME exhaustpipe, 850 R MY96, 850 GLT 20V B5254S, Mj 94 previous: V70 I, B5252S, V70 I, B5254S2, killed by a parcel service driver |
Apr 11th, 2021, 18:25 | #5 |
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Does the speedo work??
Asking as it gets it's signal from the wheel sensor via the abs unit, so if the fuse for the unit has ben removed it won't (or shouldn't) work... If the ABS light doesn't come on with the ignition probably, as stated the bulb has been removed..an mot failure now
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1998 V70 2.5 Auto & Supercharged Mercedes C Class... Last edited by volvo again; Apr 11th, 2021 at 18:28. |
Apr 11th, 2021, 21:48 | #6 |
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Alright chaps here are my findings:
The ABS light does come on when starting the car, then it goes out after a second like all the others The Speedo works I have no idea of it would make any difference but the previous owner fitted bigger front brakes as well as some Tesco value coilovers, is there any chance these are having an impact.
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Current: 1996 850 2.5 SE Estate (project) and Mercedes CLS63 Previous Volvos: 1995 850 2.5 SE Saloon and 2003 V40 Sport Lux 1.9d Estate |
Apr 12th, 2021, 19:40 | #7 | |
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Quote:
You said originally that you locked up under hard braking. With the relatively primitive ABS fitted to 850's and S/V/C 70's, lock up will always occur initially followed by the ABS then reducing brake line pressure in a pulsed manner - so brakes go on-off-on-off-on-off very rapidly which you would usually feel through the pedal and also hear from the tyres as the wheels lock up-free off-lock up-free off-lock up-free off. Are you sure that the ABS wasn't working? You will hear the tyres squealing and chirping whilst this happens. Modern ABS systems are more sophisticated and modulate the braking in a more controlled and smooth way that is almost indiscernible. Maybe that is what you are used to. Regards John
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Past : 96 855 T5 CD ruby red, 98 C70GT T5 coupe Saffron, 04 C70GT T5 convertible Navy Present : 95 855 T5R Gul Yellow 08 C30SE Lux T5 Polestar 11 C70 Solstice T5 Polestar 19 XC40 T5 R-Design Polestar |
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Apr 13th, 2021, 12:41 | #8 |
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Thanks John.
I’m fairly sure the ABS didn’t do what I would expect it to do, which is what you describe in your post i.e. hard braking perhaps a little lock then sort of pulsing and a horrible judder feeling as the brakes are on and off to find grip. What actually happened was I jammed the anchors on and initially the tyres gripped but as I got closer to the lorry I guess my sphincter puckered somewhat and I pushed down harder until eventually the grip ran out and the tires locked up. I ended up at a slight angle in the road due to being on a bend and the natural energy of the car turning. The final maybe 10 feet was pure skid and my goodness did we smell the rubber after. I have a dash cam on board so maybe I can pull the footage and share somehow so you can see. Rael
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Current: 1996 850 2.5 SE Estate (project) and Mercedes CLS63 Previous Volvos: 1995 850 2.5 SE Saloon and 2003 V40 Sport Lux 1.9d Estate |
Apr 13th, 2021, 13:16 | #9 |
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Ah! the old sphincter syndrome! a well know issue by many drivers but not covered in ABS repairs-- probably
Regards Bob. |
Apr 13th, 2021, 13:41 | #10 |
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Why not find a stretch of quiet, straight flat road and do an emergency brake test. It should be fairly obvious if the ABS is working or not and kinder on your sphincter.
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2001 V40 2.0lt Sport lux - Daily Driver. 174k miles. 2003 C70 2.4 GT Convertible - Garage Queen. 65k miles. http://www.neptuno6benagil.com |
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