Subject: | Ping, Pop, Snap or Click Noise from the Propeller Shaft |
Models: | 1999-2006 Chevrolet Silverado |
1999-2006 GMC Sierra |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Some customers may comment on a ping, pop or click noise from underneath the rear of the vehicle, when shifting into reverse or drive, or out of reverse into drive or possibly drive to reverse.
The noise is originating from inside the propshaft. Please replace the propshaft with the part numbers below.
On 1999 - 2006 C1500 C15903 (Reg cab 8' box) trucks equipped with 4L60E (RPO M30) and 3.23 or 3.42 axles (RPOs GU5 or GU6) use propshaft 15189835. This is the propshaft for these trucks built with 3.73 (RPO GT4).
K1500 trucks with 143.5" wheelbase which are K15543 (crew cab 5'9" box) and K15753 (extended cab 6'6" box) used 2 different u-joint sizes. Production change was made on 10/28/2004.
On 1999 - early 2005 - K15753/15543 (143.5" wheelbase) with M30 - Use 5" design 15751438 (Smaller U-joint shafts built 1999 through 10/28/2004)
On late 2005 - 2006 K15753/15543 (143.5" wheelbase) with M30 - Use 5" design part 10382035. (U-joint upgrade shafts - Vehicles built after week of 10/28/2004)
All 2005 - 2006 K15543 (143.5" wheelbase) with M32 and NP3 - Use 5" design from Silverado SS - 10382033 - All 2005 and future have the big u-joints.
2002 - 2004 K15753 with all wheel steer (RPO - NYS) and NP3 - Use 5" design 10382035
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.