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S60 & V60 '18> / XC60 '17> / S90 & V90 '16> / XC90 '15> General Forum for the SPA-platform 60- and 90-series models |
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D5 PowerPulse pipe burstingViews : 16051 Replies : 64Users Viewing This Thread : |
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Aug 28th, 2019, 08:40 | #1 |
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D5 PowerPulse pipe bursting
Anyone else having ongoing issues with D5 PowerPulse pipes bursting? Mine has burst twice on an 8 week old XC90…
Have done some research, and seems to be happening quite a bit to other users. Our local dealer was rather casual about the whole thing when I quizzed them how and why; “We frequently replace these pipes. Generally the drivers don’t even notice the reduced performance, and we replace them when the cars come in for routine servicing.” I wonder how many underperforming D5 engines are out there? The pipe is black rubber and about 20mm or ¾” diameter. It looks very similar to a hydraulic hose, with crimped metal fittings, also looking similar to the hydraulic type. 20190828_082947_resized.jpg The first burst was at a joint in the centre of the pipe directly below the engine where the pipe traverses from right to left, pretty much between the front wheels. (Sorry about the poor quality images – they are screen shots from the dealer health check video.) I think a under-car cover will have to be removed to see the pipe. Capture 2.JPG Capture.JPG The second burst was where the pipe terminates at the exhaust manifold end, and is easily visible by lifting the bonnet. 20190822_173239_resized.jpg 20190822_173248_resized.jpg Anyone know why these pipes keep bursting? Seems to me it is not necessarily the pipe itself, but may be the compressor ‘over pumping’ or some other control failure etc. The pipe could be the symptom, not the cause. Seems the dealers keep fitting new pipes without finding the route cause… |
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Aug 28th, 2019, 09:33 | #2 |
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Aug 28th, 2019, 10:20 | #3 | |
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XC90 Inscription D5 Power pulse, 2017 MY, Savile grey, Blond Nappa, Leather dash/door tops, Walnut inlays, Dark tinted windows, Air suspension, Bliss/Cross traffic alert, Xenium/7 seat comfort/Family/Winter packs, 4 zone climate, Heated rear seats. |
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Aug 28th, 2019, 11:18 | #4 |
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I've had several pipes burst, even had the car taken in on the back of a lorry for one. I love many things about the car, but really do not like the engine.
You have to ask yourself: 1. Why has the PP engine only been in production for 3 years before being replaced? 2. Why do Volvo specifically not cover hoses in their extended warranty? 3. And maybe why had BMW, JLR, Merc etc. all continued to offer stronger 6 cylinder engines in all their larger cars. I think the XC90 was pretty revolutionary for Volvo, and turned the company around, but the engine will never go down in history as one of their greats! :wq
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MY21 XC90 B5D R-Design Pro, Pine Grey + blonde, all options except 3rd row aircon and nubuck headlining. Prev: XC90 D5 PP, Osmium + Charcoal + Metal Mesh. 4C air, Xenium + BLIS, Winter + HUD, Family, Tow bar, Sub, CarPlay |
Aug 30th, 2019, 16:47 | #5 | |
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2. Very few, if any brand covers hoses, fluids, filters, gaskets, batteries, some exhaust parts, brakes and many other exclusions in their extended warranties. Some are not even covered by their standard new car warranty. 4. While others may offer more powerful six and eight cylinder engines, they also sell four cylinder engines that are just as powerful as Volvo's, certainly fuelled by diesel oil.
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Aug 30th, 2019, 21:01 | #6 | |||
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:wq
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MY21 XC90 B5D R-Design Pro, Pine Grey + blonde, all options except 3rd row aircon and nubuck headlining. Prev: XC90 D5 PP, Osmium + Charcoal + Metal Mesh. 4C air, Xenium + BLIS, Winter + HUD, Family, Tow bar, Sub, CarPlay |
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Aug 30th, 2019, 21:34 | #7 | |
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1. It's just a pipe. Not rocket science you would think and certainly not why they cease fitting PP to current European spec diesels. They may well continue to offer it in other markets with lower fuel costs and less stringent emission regulations. Most engine manufacturers offer many variations of their engines at the same time to send to different markets. 2. Are you sure he was not just telling you what he thought you wanted to hear? I have yet to see an extended insurance-type warranty, which is what the Volvo extended warranty is, without some extra excursions in the small print. I've got an extended warranty on my CR-V up to six years of age and although I did notice some extra exclusions, I forget what they were just now, I do not recall pipes being among them. Nevertheless its all in the contract you get to sign, so even if there is some misunderstanding later, it can all be referenced and the lack of pipe cover is hardly significant. There are plenty of hydraulic suppliers that could make up a pipe with unions seen in the pictures out of nice flexible three wire ply 5500 pounds per square inch hose that would last forever with the relatively low pressure of air produced by the onboard compressor. It will not be much over 100psi at an educated guess. The trick is to clamp the pipe so that it doesn't chafe against anything when the air pulse is released. 3. If you want a six cylinder, then Volvo is not for you. As far as LR go, by far the majority of their Velar, F-Pace and a high proportion of their Discovery5 and Range Rover Sport are sold with four cylinder Diesel engines. The higher up the price tree you go, the less four cylinder vehicles are sold in proportion. However, up to around the £60,000 mark in current models, four cylinder LR and RR engines dominate. My friend has recently changed his 240hp Velar four cylinder for another Velar with the less powerful 180hp engine. For myself, I have a deposit down on a LR Defender which will certainly be with the 240hp four cylinder and I would not consider the Ford V6 [they turn bearings] or the 3.0 straight six which will not even be available for another two years apparently. Its not as if I have not had multi cylinder engines. My Land Cruiser Amazon has a 4.2 straight six and I've had Range Rover and BMW straight six, Mercedes straight five as well as Audi straight five and V6, and Jaguar petrol V8 engines. If I told you that the Volvo four cylinder two litre diesel in the XC90 performs better and uses less than half the fuel per mile than the four litre Jaguar AJV8 in the XK8, would you believe me? Well it is true.
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XC90 D5, 2017 Inscription. Dark Grey. Xenium pack. Winter Plus with HUD. Black leather interior with alloy trim inserts. Ownership ended June 2020, Happy motoring times! Last edited by Quacker; Aug 30th, 2019 at 21:36. |
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burst, d5 engine, explode, power pulse, powerpulse |
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