Wobble

I have had the wheel wobble again, climbing up to the resort. I spoke about it a couple of years ago. It seems to start when the power is on climbing up the Alps. It feels like the wheel nuts are loose and the wheel is going to come off. I pulled in and let the van roll back a bit. Someone then said that the system gets wound up and creates it. Trust me it wasn't the only one wound up. To cap that the drivers door wouldn't close this morning, think its the frost. Seems OK after the sun has got at it. I couldn't get it locked so wired the 2 doors together and kept off the alarm. Isn't Motorhoming fun

Yes its worth checking but I've had this problem before only starts when I'm climbing

For the door not locking in the cold, I had that before in a old Citroen. It was the lock not springing back and half sticking in the cold. The cure was a shot of PTFE spray in the striker/latch.

For the wheel wobble when climbing, is it on a straight climb? Does it happen only going around bends of a certain tightness and direction (eg tight right hand bends)? Does it happen in certain gears? Sorry for all the questions but it could be anything from worn bushes and mounts for the suspension/subframe to worn engine mounts fecking up the driveshaft angles. I'm ignoring wheel hop as that normally happens when spinning the wheels when turned and I assume you're not driving like you stole it! The fact that reversing a small bit gets rid of it I'm more thinking a partially worn mount/bushing "somewhere"

Edit, I'm going down the suspension route as when climbing over mountains, the 'van is generally working hard and people's foot is on the floor. There's a lot of torque being pushed through the driveline meeting increased resistance of the climb

Tommy could it be front wheel spin as you say it has happened at the same place as last time ?
That will give you the feeling of side to side movement but when you stop and move again you will have full traction.

It seems to start when power on during a turn but doesn't go away when straight. It happened a few times and didn't appear until well up the mountains. Up to then I was flooring it. Did this before but went away

That sounds more like a nuisance than a problem and could be checked when getting next van service, save the planet and keep your foot off the floor

Thanks guys for all those answers. There are some there to think about and eliminate.I ll get it checked out when i get back. When it happens it is quite worrying. I was just worried about a driveshaft dropping out. It happened once when i had a Kontiki. I'm happy enough about the weight, its twin axle and I'm not carrying anything heavy, normally I have the scooter. I wasn't parked up in slush or snow before it. My next journey is back down the mountain, ill see if its still doing it

Is there ESP on the van? Are there any dashboard lights coming on when the wobble happens?

If one of your wheels is detected as looing grip, ESP would brake that wheel to try and regain traction and you'd get the percussive ABS braking until the traction was recovered even though your foot is not on the brake pedal. The giveaway would be the ABS and ESP lights coming on when the wobble happens.