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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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V70 heavy steeringViews : 4665 Replies : 67Users Viewing This Thread : |
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Mar 26th, 2024, 15:57 | #1 |
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V70 heavy steering
Hi,
My Dad's steering in his V70 P3 D5 is very heavy. Its not so bad when you're driving normally, but parking it becomes a challenge! There's nearly 163k on it. The fluid level appears to be correct and I can't see any leaks anywhere. I did notice the fluid is very dark though. I was thinking it could be the power steering pump, but the steering is still heavy when you rev the car. That makes me think it might be something else, but at 163k, it could well be the pump.
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2007 S80 2.4 D5 (P3) - 110,000 miles 2008 V70 2.4 D5 (P3) - 163,000 miles |
Mar 26th, 2024, 19:02 | #2 |
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Mar 26th, 2024, 19:40 | #3 |
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heavy steering
Worth checking the steering shaft knuckles especially the one going onto the rack (seem my post-assuming its the same set up as my 2003 )
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Mar 26th, 2024, 20:29 | #4 | |
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Quote:
I cannot remember where and which model... but it looks like it exists on P3's: https://www.rexbo.co.uk/car-parts/fi...ii-bw/10274-d5
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Mar 26th, 2024, 21:19 | #5 |
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Hi Kev, firstly check the tyres pressures (Im sure you have) and then get the turkey baster out and change the PAS fluid one reservoir at a time.
Suck the contents out, refill with new fluid. Start the car and steer lock to lock a few times to bleed it (easier if the front of the car is jacked up slightly to take the weight off the tyres). If its really filthy, remove and clean the reservoir when empty and reconnect. Repeat the process a few times and the fluid will be close to replaced and bright green. Set the level to min on the reservoir and go for a test drive. Cheers Stu
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Mar 26th, 2024, 21:23 | #6 |
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Cheers all.
I'll try replacing the power steering fluid to see if that makes a difference.
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2007 S80 2.4 D5 (P3) - 110,000 miles 2008 V70 2.4 D5 (P3) - 163,000 miles |
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Mar 27th, 2024, 10:22 | #7 |
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It looks like there's a little paper filter/gauze inside the power steering fluid reservoir. Is this replaceable on its own, or do you have to buy a whole new reservoir?
I'm not entirely convinced the heavy steering is related to old fluid, but its worth a try.
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2007 S80 2.4 D5 (P3) - 110,000 miles 2008 V70 2.4 D5 (P3) - 163,000 miles |
Mar 27th, 2024, 11:07 | #8 |
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I don't think changing power steering fluid has ever fixed a worn out pump 😉
Doesn't hurt to flush out the system though ready for when you install the new component(s) With the car in park/neutral. Start turning the steering wheel and rev the engine up to around 3k rpm, if the steering becomes lighter as the engine revs up, then the pump is bad (or possibly the pressure regulator) however at 160k+ miles, it is highly likely to be a worn out pump. If revving the engine makes no differnce, does the car have variable speed power steering? (check in vehicle settings menu) if yes, then it can be a bad control module (located behind the glove box) or the fuse feeding power to the variable power steering module. Also check the wiring connecting to the steering rack, located behind the drivers side front wheel liner)
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Mar 27th, 2024, 11:49 | #9 | |
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Quote:
My guess is the pump too, but I'll change the fluid anyway for the sake of it. I can't find any power steering pump replacement videos for a 2008 P3 D5. I've seen a video on a petrol model, but that's a completely different engine and the layout is different under the bonnet. I don't think power steering pumps are cheap?
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2007 S80 2.4 D5 (P3) - 110,000 miles 2008 V70 2.4 D5 (P3) - 163,000 miles Last edited by Kev0607; Mar 27th, 2024 at 11:51. |
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Mar 27th, 2024, 19:48 | #10 |
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Reving the engine won't change the steering force as it is SPEED sensitive and not REV sensitive It gets a signal Al via the ABS sensors or better said a speed output and then will alter the pressure.
My parents 500 has an issue like that... The steering is all well and good at very slow speeds but the moment it exceeds the city steering limit, it turns super heavy, absolutely no assistance. So I would expect here that the assistance isn't there. Question is: - pure hydraulic power steering OR - electro hydraulic? Electronic hydraulic would need a signal to turn it on, which you would be able to hear when you turn the steering wheel. Pure hydraulic would be on the belts and will be on all the time. Volvo switched somewhere around 2011/2012 to full electro hydraulic.
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