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1.8 TSI Elegance 4x4
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Discussion Starter · #1 ·
For context on this post, I am an "enthusiastic driver". I ride my bicycle whenever possible to save the environment, but once I've engaged the internal combustion engine I like to maximum enjoy the experience.

When we first got our Yeti, I was impressed with the amount of power I could get through the wheels pulling out of wet junctions, unpaved tracks etc. Bloody brilliant, like having a 4WD Golf GTi with decent ground clearance :)

A few weeks ago I noticed it started wheel spinning a lot, especially when pulling out of junctions. It was very reminiscent of the MK1 Golf GTi I owned a few decades ago. Full beans from a standing start became a very uncivilised affair. I started to wonder if I was expecting too much from the car.

No faults appearing on the dashboard or anything, just "not right". So I booked it into the local VAG specialist to check it out. It goes in in a couple of days.

Then a couple of days ago in the wet I noticed it was not spinning all over the place. I did some deliberate brutally hard junction pullouts and it was unshakable again, just a little twitch from the inside front wheel, then full steam ahead. Feeling convinced the four wheel drive had started working again I decided to give it a proper challenge. I took it to very steep single track paved lane near us which is covered in loose shale and wet leaves, stopped on a few of the most ungrippy looking pieces and went for the full beans standing start uphill. On such a narrow road in the dark and rain the combination of the 1.8TSi engine and four wheel drive was terrifyingly effective. Four wheel drive is definitely working again.

I'm surprised the four wheel drive can stop working without some kind of fault showing in the dashboard.

Has anyone else experienced this kind of thing? If yes, what turned out to be the resolution?
 

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Yeti 2017 2.0TDi 4x4 L&K DSG
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When was the Haldex last serviced?
 

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1.8 TSI Elegance 4x4
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Discussion Starter · #3 ·
Not sure, we bought the car in August and the car had just been serviced. There is no separate tick box in the service history for that so no idea if/when it has ever been serviced.
 

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Yeti 2017 2.0TDi 4x4 L&K DSG
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Not sure, we bought the car in August and the car had just been serviced. There is no separate tick box in the service history for that so no idea if/when it has ever been serviced.
It should be serviced every 3 years or 30k miles.

For Gen 4 Haldex that yours will have it should have the filter changed as well as the oil changed. Not all Skoda or independent garages do this.

If you are experiencing intermittent engagement you may have restricted oil flow and a service may cure it. But I'd have this done quickly as restricted oil flow can damage the pump.
 

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1.8 TSI Elegance 4x4
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Discussion Starter · #5 ·
Thanks. I’ll make sure the Haldex is serviced when it goes in on Tuesday.
 

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Kia Niro HEV2 and MG Midget
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Thanks. I’ll make sure the Haldex is serviced when it goes in on Tuesday.
Make sure the garage knows EXACTLY how to do it. There have been several examples of some that didn't and causing very expensive problems later.
 
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This Haldex Parts and ECU Repairs by Auto Fault Finder Ltd – Haldex Mail order parts and ECU repair services is the site to read all about the Haldex unit, its common faults, how to fix them and for spare parts. If you are into DIY servicing it's the go-to place for a full kit to do the job. For many Audi/VW/Skoda cars there is no part number for the filter in the Gen 4 Haldex unit so the dealers do not change the filter. When the filter blocks, the pump demands more current to get to the required oil pressure and eventually fails - which generates and logs a fault code but there's no dash warning light. At that point the same dealers will happily fit a new pump. :)
 

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If you know anyone with a fault code reader see if you have an error message 00448, if you do this thread is relevant.

 

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This Haldex Parts and ECU Repairs by Auto Fault Finder Ltd – Haldex Mail order parts and ECU repair services is the site to read all about the Haldex unit, its common faults, how to fix them and for spare parts. If you are into DIY servicing it's the go-to place for a full kit to do the job. For many Audi/VW/Skoda cars there is no part number for the filter in the Gen 4 Haldex unit so the dealers do not change the filter. When the filter blocks, the pump demands more current to get to the required oil pressure and eventually fails - which generates and logs a fault code but there's no dash warning light. At that point the same dealers will happily fit a new pump. :)
I ordered a Gen5 Haldex kit from them on Sunday evening, was delivered today.
Yes they're not the cheapest at £45.70 (£32.08 + £6 delivery and £7.62 VAT) but it was in stock and it'd rather buy from a reputable supplier knowing there's counterfeit Haldex oil on the market.
 

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1.8 TSI Elegance 4x4
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Discussion Starter · #10 ·
Ours was still covered by the warranty, literally the last day I made the claim, so it's in the independent VAG specialist down the road.

We have recently bought a house with a decent sized garage/workshop which includes an inspection pit, so the DIYing information is useful, it will be happening in the future when all my free time is not being swallowed up by new house things.
 
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