OK fellas, it's TSB 23-65-97A There's a drawing that's attached to it too. I'll email it, along with the "fix it" procedure to those that have their email addy available.
Cab Mount - Popping Noise on Steep Inclines
NO: 23-65-97 Rev. A
GROUP: Body
DATE: December 31, 1997
SUBJECT: Loud Popping Noise Is Heard When Vehicle Makes A Sharp Turn Onto A Steep Incline
1997-2001 (AN) Dakota
NOTE: This bulletin applies to 4X2 and 4X4 extended cab vehicles.
SYMPTOM/CONDITION:
A loud popping noise is heard coming from the rear of the cab as the vehicle is turned onto a steep incline such as a driveway approach.
DIAGNOSIS:
Drive the vehicle and turn onto a steep incline while listening for a popping noise coming from the rear of the cab. If a popping noise is heard, perform the following Repair Procedure.
PARTS REQUIRED:
2 06501557 Bolt, Cab Isolator Mounting
REPAIR PROCEDURE:
This bulletin involves removing the rear cab isolators and removing 1/4 in. to 3/8 in. of material from the isolator sleeve.