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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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no torqueViews : 551 Replies : 8Users Viewing This Thread : |
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Jan 7th, 2024, 16:58 | #1 |
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Location: Swineshead/Salford
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no torque
Bit of a weird one, where I am in Lincolnshire is flat as a pancake. When I went to see my folks I crossed the Pennines on the M62 and the car would not accelerate going up hill. I had my foot planted and it was reducing in speed going up hill. The revs were going up slowly but not the speed.
Again coming home it was really struggling going up hill. Then last night I had a bad flat spot about 55mph for about 5 seconds this was on a flat A17. It accelerates fine at lower speeds . The clutch seems fine. We changed the glow plugs and put the little black rod back on for the swirl flap actuuator No codes have come up. Nothing on the dash. It's a 2008 V70 diesel 2.4. No smoke from the exhaust. Doing about 43-44mpg. Carl.
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Jan 7th, 2024, 19:38 | #2 |
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If you have temperature sensors in the exhaust it could be one of these giving you problems.
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Volvo XC60 2.4 Drive SE 2010 |
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Jan 7th, 2024, 22:48 | #3 |
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Check intercooler hoses for small hole or split.
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Jan 8th, 2024, 10:52 | #4 |
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If it's not the clutch, then how could the revs go up but not the speed?
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Jan 8th, 2024, 12:34 | #5 |
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I thought the same. Since the clutch is mentioned it's probably not an automatic, which otherwise could have released the lockup.
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Jan 8th, 2024, 14:53 | #6 |
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Last Online: May 22nd, 2024 20:59
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clutch
If it was the clutch then surely it would slip at all speeds and conditions. it accelerates fine ( without slipping) at lower speeds. i'll double check though just to be sure. It's a manual !
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Jan 8th, 2024, 15:42 | #7 | |
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Quote:
Basically, if the revs go up and speed doesn't then your clutch is slipping OR you're wheel spinning |
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Jan 11th, 2024, 12:02 | #8 |
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For a fully functional clutch, you'll never make it slip by just pressing the accelerator. If it does, it's worn out.
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Jan 14th, 2024, 14:32 | #9 |
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It’s the clutch slipping under certain loads. I remember years ago swapping the engine in a Mk2 Golf GTI from a 1.8 16v to a 2.0 16v, bolting it all back together and it driving fine generally. Loads more torque and a decent horsepower increase.
Cue a trip to the Lake District a few weeks later, heading up the M62 uphill past Preston and up towards Lancaster I went for an overtake uphill in top gear. No problem with the extra torque… the revs shot up but the car slowed down! It was the clutch that couldn’t handle the torque at around 4,000 rpm in a high gear uphill. The weekend after the car was in bits on my driveway again whilst I fitted a new clutch. No DMF on those cars though so only about £30 in parts and some knuckle skin. It was great after that and did thousands of miles, trips to the Nurburgring and all sorts. Great car. Anyway, I digress… good luck with it. Try pulling away from a standstill in 3rd gear and see if it slips, that is usually a good test.
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2017 V60 CC D4 AWD Polestar Last edited by Stu B; Jan 14th, 2024 at 14:34. |
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