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  1. CCLB06

    Bad trans Mount???

    Sorry I should have mentioned this was done in Drive while standing on the brakes
  2. CCLB06

    Bad trans Mount???

    Here’s a video of me testing to see if my engine mounts are bad. What do you guys think? https://youtube.com/shorts/920HcrCSqbY?feature=share
  3. CCLB06

    Bad trans Mount???

    I bent the lower control arm brace ( put a jack on it like an idiot ). It is definitely leaning I’ll start with new trans mount and see what that does. The truck does have 280k miles so I’m sure that needs replaced. The truck has never been in an accident so I doubt the frame is bent.
  4. CCLB06

    Bad trans Mount???

    Are you positive those are the issue? I don’t believe my engine rocks when I give it fuel. I’ll have to double check to make sure though.
  5. CCLB06

    Bad trans Mount???

    Am I crazy or does it look like my transmission is leaning? I had my truck on the rack getting my kryptonite idler support gusset getting welded in when I noticed this. Would it be a bad driver side engine mount or bad transmission mount.
    • CCLB06
    • Thread
    • Replies: 49
    • Forum: LBZ
  6. CCLB06

    Anyone had this happen before?

    There was very little trans fluid in the connector area. I checked this once before cleaned it out with air and it did NOT fix the problem. This go around I didn’t clean the fluid out, no issues so far, So I’m dumb founded what the problem actually was.
  7. CCLB06

    Anyone had this happen before?

    *UPDATE* well I was getting ready to head to the store to get transmission fluid, had already purchased everything online. While I was waiting for the truck to warm up I decide to get my tools ready and prep for dropping the transmission pan to change the fluid and replace the IMS ( internal...
  8. CCLB06

    Anyone had this happen before?

    I will double check the wiring again when I do this internal mode switch.
  9. CCLB06

    Anyone had this happen before?

    I have checked all the wiring, didn’t notice any Damaged or corroded wires. I’ll be testing the voltage on the connection for the pass through harness this weekend. I’m confident that it’s the Internal mode switch though.
  10. CCLB06

    Anyone had this happen before?

    Yeah I’m stumped. There for a while it was intermittent now it’s doing it all the time.
  11. CCLB06

    Anyone had this happen before?

    Having a weird issue with the shift indicator light, it only highlights Park, Neutral and Manual. I also don’t have reverse lights either and sometimes the DIC will say “Range shift inhibited”. I also am getting a P0708 code for Transmission range sensor circuit high. I’ve replaced the TCM with...
  12. CCLB06

    NEED HELP! Having some weird transmission issues

    Well I think I am going to get a new TCM, I am looking at the dans diesel TCM and Ryan’s diesel service TCM. Any other recommendations?
  13. CCLB06

    NEED HELP! Having some weird transmission issues

    Okay, I have a new genuine Allison internal mode switch. ( sorry forgot that’s what they are called for the 6 speed Allison’ ). I bought awhile ago because I was having this issue before and it quit doing it for a few months, now all a sudden the problem is back. I am thinking I need to start...
  14. CCLB06

    Attention Newbies

    I see what you’re talking about but I don’t see “signature”. I am doing this from my phone so maybe that’s why.
  15. CCLB06

    NEED HELP! Having some weird transmission issues

    Is there a way to test the TCM? I also have a new nsbu switch, do you think the old one is taking a dump?
  16. CCLB06

    Attention Newbies

    New here, I drive a 2006 Lbz CCLB. Not sure how to put this information in my sig
  17. CCLB06

    NEED HELP! Having some weird transmission issues

    I have been chasing this issue for awhile now. My range selector light underneath (PRNDM1) will only light up under Park, Nuetral and Manual. Also when this happens I have no reverse lights. It has also intermittently displays range shift inhibited on the DIC, when this happens I shut the truck...
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