Fix for Front Wheel Knocking: Think it could be the half shafts

Vincent · 2025-01-10T19:33:15+00:00

A friend needed to support his son who would be running a 'very cold' marathon on Sunday while rucking a 30 pound pack. The outside temps will be around 15F-20F the whole time. The location of the race is nowhere close to any L2 chargers, but he's not worried about driving distance to or from the race - it is 50 miles away from his house. He says he will be sitting in his ruck with his laptop and watching his live track+Garmin inReach data for the duration of the race (about 4 hours). He thought about taking his Honda EB2800i gasoline powered generator, if he can use the level 1 EVSE attached to the generator and keep the truck running with full heat + power - without really consuming much of the truck's main battery? He feels it's super dorky to have a gas generator running while attached to a Rivian in the woods, just so he can stay warm, but don't know if it would work ok this way and 'preserve' the main battery so he doesn't need to worry about driving range when we wants to head home. He talked to me about it and I told him the simple answer is NO. I tested this theory the other night when I was plugged into a 5.9kW charger. To maintain the interior amenities (interior and exterior lights, radio, heater, seat heaters), it took almost all of the charge. I charged for 15 minutes, it delivered 1.6kW, and the truck consumed 1.4kW, delivering only 0.2kW to the truck battery. Told him he would be using a laptop at another 200ish watts. The little trickle charger charges at 1.4kW on a good day, 1.2kW is normal for me. You can slow the bleed, but you cant stop it. My advise to him was for him to charge it up to 100% at home, and roll the dice is what I would do.

Rivian Mom

Active Wheeler

Jan 5, 2025

A friend got a call from Rivian service and they said there is a fix for the front wheel knocking many owners experience at low speeds. They will be adding it to his ticket for late January. I’ll update once his truck gets back.

My friends R1T has a noise that's rather annoying in the driver side front. His daughter drove it the other day and said "what's all that racket?". A previous work order said the noise was normal and I think I have heard it in several other trucks. There is a bit of pay in the half shaft on the driver side both in/out and up/down that is not present on the passenger side.

His wife's 2023 R1S would make clunking noises over certain bumps but the R1T does it pretty much all the time and it does seem to have gotten worse recently after the suspension software update in 2024.19. Surprisingly, they've never been off road other than gravel/dirt roads.

If it was suspension though it would be there when you hit speed bumps and it's not. It was only noticed when over uneven road surfaces that causes quick oscillating in the suspension.

I have a feeling that it is normal after the parts wear in for there to be some noise but that doesn't make it any less annoying. My instincts keep telling me it could be the half shafts.

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