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850 pulls to right while braking

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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viperocco
Posts: 7
Joined: 1 August 2010
Year and Model: 95 850t
Location: nova

850 pulls to right while braking

Post by viperocco »

Hello all, searched around but couldnt find a direct answer, basically what title says, when braking car pulls to the right while steering wheel goes left. inflated the tires no change, could this be a ball joint issue or am i looking at some brake work?

jblackburn
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Year and Model: 1998 S70 T5
Location: Alexandria, VA
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Post by jblackburn »

If it were a ball joint issue, you'd be looking at the steering wheel going back and forth under hard acceleration or just driving down the highway too. If you gun it, does it pull to either side? If so, then I'd look at ball joints first.

If not, I would look at the calipers first. Is one side missing more brake pad material than the other? The left one may be rusted or stuck, and the right side is doing all the work. Sometimes, it can be solved just by bleeding the brakes thoroughly, sometimes you need to get a new/re-built caliper.]

Oh, and welcome to the site. Let us know what you find out, if you would!
'98 S70 T5
2016 Chevy Cruze Premier


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viperocco
Posts: 7
Joined: 1 August 2010
Year and Model: 95 850t
Location: nova

Post by viperocco »

Thanks dude I'll check it out today and let you guys know

viperocco
Posts: 7
Joined: 1 August 2010
Year and Model: 95 850t
Location: nova

Post by viperocco »

ok so i examined the brakes and both sides were evenly worn. worn out completely but worn evenly. calipers both compressed when introducing new pads so I made the judgment call to not replace the caliper. replaced pads and rotors though and at first it didnt seem to exhibit the symptoms and then slowly as we were test braking she begin to pull to the right, not as badly as before though. any ideas?

charlyW
Posts: 1008
Joined: 21 July 2009
Year and Model: 97 855 T-5 CD
Location: Norwich, UK

Post by charlyW »

Ball joints would be the next point of inspection
855 T-5 RHD Blue: MBC, Custom Map based on Rica, K&N Filter, 18T Turbocharger, White/Green injectors [depends on my mood], Blue Silicone vacuum hoses

JDS60R
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Post by JDS60R »

Left front caliper is sticking- remove and rebuild both front calipers.

Verify with a non contact thermometer comparing the temps of the left and right front rotors after several 40 mph+ stops.

You will see higher temps on the right.

Less frequently the right hub could be failing and adding extra friction under high load (Braking).

Even less frequently you could have air in the system on the left side - or its leaking.

Report back with the rotor temps and any noise you are hearing from the hubs please
Retired

viperocco
Posts: 7
Joined: 1 August 2010
Year and Model: 95 850t
Location: nova

Post by viperocco »

sorry for the delay, here is an update on my saga. it turns out that replacing the control arms which included fresh ball joints and bushings along with the sway arm links took care of the drifting while braking. fcp groton on ebay 88 bux, what a freakin deal. very easy to install. thanks for all the help and advice

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