INSTALLATION INSTRUCTIONS 4" OVAL SIDE BARS WITH BENT ENDS 02-12 SILVERADO/SIERRA CREW CAB Part # DZ 371537 /DZ 371539
4" OVAL SIDE BARS WITH BENT ENDS 02-11 SILVERADO/SIERRA CREW CAB LERT: GM uses a very strong thread-locking compound on all body bolts. Use of an air assisted impact ratchet can cause damage to the threads on factory body mount bolts and the internal nut assembly because of this thread locking compound. We only recommend the use of hand tools to slowly remove and reinstall body mount bolts on all GM vehicles.
4" OVAL SIDE BARS WITH BENT ENDS 02-11 SILVERADO/SIERRA CREW CAB PARTS LIST: 1 1 1 1 2 1 1 2 4 Driver/Left Sidebar Passenger/Right Sidebar Driver Side/Left Front Mounting Bracket Passenger Side/Right Front Mounting Bracket Center Mounting Brackets Driver Side/Left Rear Mounting Bracket Passenger Side/Right Rear Mounting Bracket Spacer Plates 1/2” x 2” Hex Bolts 4 4 6 6 6 2 2 2 1/2” Lock Washers 1/2” ID x 1-1/2" OD x 1/8" Flat Washers 12-1.75mm x 120mm Hex Bolts 12mm x 24mm OD x 2.
" OVAL SIDE BARS WITH BENT ENDS 02-11 SILVERADO/SIERRA CREW CAB 5. 6. 7. 8. 9. bushing is stepped and the Rear Bracket will not sit flat against the washer, (Figure 4A). Use the supplied Spacer Plates, (Figure 4B), to fill the gap between the Mounting Bracket and the factory steel washer. Install the Spacer Plate between the steel body mount washer and the Bracket, (Figures 4A, 4B & 5).
4" OVAL SIDE BARS WITH BENT ENDS 02-11 SILVERADO/SIERRA CREW CAB Driver side installation pictured Factory hex bolt or use the supplied: 12mm x 120mm Hex Bolt 12mm Lock Washer 12mm Flat Washer 10mm x 25mm Hex Bolt 10mm Lock Washer 10mm Flat Washer Front Stepped factory steel washer over rubber bushing Rear (Fig 3) Center Mounting Location Factory hex bolt or use the supplied: 12mm x 120mm Hex Bolt 12mm Lock Washer 12mm Flat Washer Fig 4A (Fig 4B) Spacer Plate Install Spacer Plate between factory step
