Rear Issue Plagued Your Chevy Silverado with a Bothersome Clunk/Squeak; Dealer Suggested Tightening U-Bolts, Yet Solution Proved Elusive. Seeking a Quick, Straightforward Fix in Minutes, I Stumbled Upon an Effective Solution.
In the automotive world, one common complaint among owners of the 2021 Chevy Silverado is the squeaking and clunking issue with the rear leaf springs. This problem, however, has a simple and affordable solution, as shared by Ray Tobia Jr in Chevy Silverado owner communities.
The root cause of the issue often lies in the loose U-bolts on the rear springs. These bolts, when not tightened correctly, can create noise when driving over bumps or making turns. The official recommendation from Chevrolet is to check and re-torque the U-bolts to the correct specifications, as outlined in a Technical Service Bulletin (TSB).
Ray, who encountered the squeaking issue, found a quick and easy fix by using a product called 'Spring Things'. This kit offers rubber pads designed to eliminate squeaking by creating a barrier between the leaves. Worn spring pads, often made of UHMW plastic at the ends of the leaf springs, can lead to the annoying noise.
By simply using a little lube to make the installation easier, the solution costs around $50 and takes about ten minutes to install. This is a fraction of the dealer's quote for a complete spring replacement.
It's important to note that dirt, rust, or debris lodged between leaf springs can also cause squeaking. In such cases, debris removal and spring inspection are good supplementary steps. If the issue persists after trying the fixes mentioned, it's recommended to take the vehicle to a Chevrolet dealer or a qualified mechanic for diagnosis and repair.
Misaligned leaf springs can rub against each other or the clamps, causing noise. Worn bushings in the shackle or at the leaf spring mount can contribute to squeaking or creaking. General Motors has issued service bulletins, like 21-NA-138, addressing this issue, which may provide specific repair procedures.
This practical and cost-effective solution has been shared in Chevy Silverado owner communities as a proven way to address the rear springs' noise problem without the need for costly parts replacement. Ray's dilemma with the squeaking issue was shared on the Chevrolet Silverado 1500/2500 Owners Facebook page, where he found a solution that has made a significant difference for many Silverado owners.
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