Recent content by wilco184

Hi Lukbla, No solution, I'm afraid. The only part is the 'block' cooling circuit that hasn't been replaced now is the head gasket, so I suspect the coolant passes between the two circuits at one or both of the head gaskets. The issue doesn't cause any problem when driving, just that the gauge...

Q7 has the Aisin 8 speed, not ZF. Usually very good. I would get it repaired.

Ah yes, I forgot to mention that the bleed valve has also been replaced, and I'd checked the old one which was working fine too. Audi also replaced the one way valves for coolant entering the block a while ago at my request whilst the car was in for other work, though I've no way of confirming...

That's great that you've fixed it. No, my temps still fluctuate. I've only changed the shut off valve, though I have tried bypassing the solenoid so that the valve is permanently closed and the block temp still didn't rise much above the normal coolant temp, and I've proven both temp sensors by...

Hi 7P_, Yeah, that's me on the Touareg forum - they're the only other people with a similar issue to ours that I've been able to find. I've attached the image to this post. 70 Deg C commanded is normal I think, reduced for better EGR cooling in warmer weather. I've seen similar behaviour on a...

Hi, I've noticed that the specified temp will jump back up to 90 Deg C for me when the oil temp reaches 85 Deg C - no idea why this is. I can drive the car a bit harder to get the oil temp up and then the coolant gauge will sit happily at 90 Deg C for the rest of the trip. I've you can post...

Hi Lauri, I’ve since worked out it’s because the engine can’t keep water in the ‘block circuit’ as it should. The water in the part of the system should be held static by the control valve in the V up to 105 Deg C. For cars with this issue, water escapes back into the main coolant circuit. It...

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Original SQ5 fitment. All fitted with Michelin Latitude Sport tyres - 255/45/R20 101W. Condition is good with a few small blemishes, as per photographs. Tyre tread remaining on all tyres is 5.79, 5.08, 3.78 and 3.54 mm. Centre caps are included. Collection from Chester. Asking £600. Please...

Hi, Did you sort this? I have similar issues with my SQ5 and suspect the shut off valve for the coolant in the ‘V’ of the engine. Thanks, Matt.

Hi all, Does anyone know roughly what their engine oil temperature settles out at please? Many thanks, Matt.

That's great, thank you very much Ju! :) That's a nice steering wheel, too. Thanks, Matt.

I think I've narrowed the fault down to the 'coolant regulator valve' which I don't think is closing. It's supposed to cut the circulation of coolant in the block and regulate it at 105 Deg C. The point of this is quicker warm up apparently. I've had a look at the valve with a borescope and the...

Thanks for the help all. The car needs approximately 10 miles of normal driving to warm up to 90 when the ambient is less than 15 Deg C, which does seem a little long. Thanks, Matt.

Hi, For cars with the 3.0 TDI engine, what does your coolant temperature gauge display when the ambient air temperature is 15 Deg C or above? I have an issue where below 15 Deg C, the coolant temp gauge sits at 90 and is steady which is fine, but at 15 or above, the gauge fluctuates down to 75...