First issue after 39K miles (Green fluid leak, drive unit?)

[shamoo]

Wife noticed some green/slightly oily fluid on the garage floor near rear of the vehicle when I drove out. Looked underneath and the rear panel was all wet.

Forum posts say it could be fluid from the drive unit, in which case Rivian replaces the whole thing since it is a sealed unit. Friend who works at Rivian says I shouldn't drive and I risk further damage or it going into limp/turtle mode. Guess I'm lucky since I just drove a few hundred miles a few days ago.

Brought it in for service today and have a loaner R1T. Glad it is under warranty. Let's see what happens! Apparently the drive unit (along with the battery) on the early quads has an 8 year/175K mile warranty. Thought it was battery only. Good news I suppose.

Anyone else experience the same?

Was green, felt oily, and I couldn't smell anything. But my sense of smell is also terrible.

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[SwampNut]

Blinker fluid. Rivian uses a special DOT Q.7 version, but you can just run this.

 

[shamoo]

Blinker fluid. Rivian uses a special DOT Q.7 version, but you can just run this.

Hm, since it was coming from the rear, I thought it would be the muffler bearings going out.

 

[SwampNut]

I thought it would be the muffler bearings going out.

Hey dummy, Rivian uses modern ceramic muffler bearings, no grease. Sheesh.

 

[forestwalker]

green in small amounts is usually PAG oil from refrigerant system, not sure what color coolant these have in them...

 

[shamoo]

green in small amounts is usually PAG oil from refrigerant system, not sure what color coolant these have in them...

That's usually from front area, right?

If you look at the wet marks on the panels, every one I see online is related to some drive unit thing.

 

[forestwalker]

That's usually from front area, right?

If you look at the wet marks on the panels, every one I see online is related to some drive unit thing.

Yeah, wherever the compressor/condenser/expansion valve etc are located. If leak is near rear, I would guess coolant from drive system, yeah...

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