2020 Ram 2500 Tradesman Chirping sound interior.

[Jdgautreaux]

FOUND THE CHIRPING NOISE – 2020 Ram 2500 Tradesman (Manual 4WD Shifter)





Posting this to help anyone chasing a random chirping noise that happens with vibration.





Truck: 2020 Ram 2500 Tradesman with manual floor-shift 4WD





Symptoms:

• Chirping noise while driving
• Happens with road vibration, not engine RPM
• Sounds like it’s coming from everywhere (very hard to pinpoint)

How I confirmed the source:


While driving in 2WD, I applied light forward pressure on the manual 4WD selector handle (did NOT shift out of 2WD).


The chirping stopped immediately.





Root cause:


The noise is coming from the manual 4WD shifter / linkage vibrating. Slight play in the linkage or detent lets it resonate and chirp over bumps or vibration. Applying pressure preloads the linkage and stops the noise.





What it’s NOT:

• Not belts or pulleys
• Not suspension
• Not brakes
• Not engine noise

Next steps / fix ideas:

• Lubricate shifter pivot and underbody linkage
• Inspect/adjust linkage for excess play
• Check bushings or add isolation where needed

If you have a Tradesman with the manual 4WD floor shifter and a mysterious chirp, try this before tearing your truck apart.





Hope this saves someone time and money.

 

[turkeybird56]

Nice catch OP

 

[Elio]

HI, I was just about to post similar post but with 'Ringing' sound but in my case it's sound only when i roll my windows down and while driving slow MPH (20-30), so the sound apparently is exterior. My truck is 1500 5.7L Limited. Should I assume your fix ideas apply to my problem? thanks for posting.