Chevy Silverado Service
Silverado, Colorado, Suburban & GMC Yukon service in Washington UT — minutes from St George, Hurricane & Sand Hollow.
Chevy and GMC owners across Southern Utah — Washington, St George, Hurricane, Ivins — count on MST Motorsports for Silverado, Colorado ZR2, Suburban, Tahoe, and Yukon service. We're a full-service shop with Duramax diesel service, AFM/DFM (lifter failure) repair experience, and in-house suspension and shock work for lifted and off-road Chevys.
From a stock daily-driver Silverado to a built 2500HD towing toys to Sand Hollow, we handle the work.
Chevy & GMC Services We Handle
Silverado 1500: 5.3L AFM/DFM lifter failure repair, 6.2L valvetrain service, Duramax 3.0L injector and EGR work, 10-speed transmission diagnostics. Silverado 2500/3500: L5P Duramax injector, CP4 fuel pump, turbo work, EGR/DPF service, Allison 1000 transmission. Colorado ZR2: Multimatic DSSV shock service, drivetrain, lift work. Suburban/Tahoe/Yukon: AFM repair, air suspension service (Denali), brake and AC.
Lift kits, leveling, and Hunter Hawkeye Elite alignment all happen in-house.
Duramax Diesel Specialists
L5P, LML, LMM, and earlier Duramax platforms all come through here. We do injector flow tests, CP4 diagnostics and replacement, turbo rebuilds, EGR/DPF cleaning and replacement, and performance upgrades where it makes sense for your use case.
Call (435) 256-8899 or . After-hours drop-box available.
Frequently Asked Questions
Do you fix the 5.3L AFM/DFM lifter failure?
Yes — common Chevy/GMC job. We diagnose, quote, and rebuild with upgraded lifters and proper procedures to prevent recurrence.
Can you service my Duramax injector or CP4?
Yes. Injector replacement, CP4 fuel pump diagnostics, and bypass/replacement strategies all in-house.
Will you align my lifted Silverado or Sierra?
Yes — Hunter Hawkeye Elite alignment with caster correction is standard with every lift install we do.
Do you service the Colorado ZR2 DSSV shocks?
Yes. The Multimatic DSSV dampers on the ZR2 need specialized service — we handle inspection, replacement and supporting suspension work.
Ready to Get Started?
Call (435) 256-8899 or . Serving Washington, St George, Hurricane, and all of Southern Utah.