Did I grenade my CDL?

This site may earn a commission from merchant affiliate
links, including eBay, Amazon, Skimlinks, and others.

Joined
Sep 2, 2025
Threads
1
Messages
2
Location
colorado
2003 GX470. For some back ground I replaced the seal on my CDL actuator a few years ago. Just recently I've had an intermittent CDL light blinking randomly. CDL is not engaged light just flashes occasionally during normal street driving. I checked the actuator, and all looks good in there (no oil). Need to get around to chasing wiring or switch. So to the point I was wheelin and got in a tough spot up against a rock downhill with the transfer case locked and when I gave it some gas nothin.... except grinding. My buddy gets out and says it's your transfer case making noise. I unlock the CDL and it drives normal. So I'm thinking either the locking ring inside was not fully engaging both gears. My understanding is there shift fork moves a sleeve that locks two gears together rather than allowing the torque split F to R, meaning the actuator wasn't timed correctly or the chain somehow is slipping? unlikely. Haven't been able to get the CDL to lock up again, light just blinks, so I can't replicate problem. Really two seperate issues. I need to get in the actuator again and doulble check that it is timed correctly with the shaft. How bad do you think the transfer case is messed up? I seldom need to lock the CDL but do want it to work when needed.
Also not really a new member but it's been a few years and my account was no longer active so I've re joined. Hi!
 
2003 GX470. For some back ground I replaced the seal on my CDL actuator a few years ago. Just recently I've had an intermittent CDL light blinking randomly. CDL is not engaged light just flashes occasionally during normal street driving. I checked the actuator, and all looks good in there (no oil). Need to get around to chasing wiring or switch. So to the point I was wheelin and got in a tough spot up against a rock downhill with the transfer case locked and when I gave it some gas nothin.... except grinding. My buddy gets out and says it's your transfer case making noise. I unlock the CDL and it drives normal. So I'm thinking either the locking ring inside was not fully engaging both gears. My understanding is there shift fork moves a sleeve that locks two gears together rather than allowing the torque split F to R, meaning the actuator wasn't timed correctly or the chain somehow is slipping? unlikely. Haven't been able to get the CDL to lock up again, light just blinks, so I can't replicate problem. Really two seperate issues. I need to get in the actuator again and doulble check that it is timed correctly with the shaft. How bad do you think the transfer case is messed up? I seldom need to lock the CDL but do want it to work when needed.
Also not really a new member but it's been a few years and my account was no longer active so I've re joined. Hi!
 
I dont know that this is something you can grenade per se. Why did you replace the seal? Did you lock the CDL before that job?
 

Users who are viewing this thread

Back
Top Bottom