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Part No.:PB579ST
Weight: 8.70 LB
Length: 17.00 IN
Height: 11.00 IN
Width: 6.00 IN
UPC: 694687007072
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Polyvance's Peterbilt 579 hood repair kit allows the user to repair the broken hood strut mounts on Peterbilt 579 hoods. These hood Strut Mounts seem to break easily. Rather than spending thousands on a new hood, Polyvance created the Peterbilt 579 Hood Repair Kit which repairs and reinforces the broken hood strut mounts. The cast aluminum strut mounts are screwed and bonded into place with the included PlastiFix high-performance methacrylate adhesive. Repairs passenger and driver side with one kit.
Benefits
Step 1
Clean the aluminum casting to remove any production oil residue using 1001-4 EcoPrep plastic cleaner.
Step 2
Clean the damaged area of the hood with 1001-4 EcoPrep plastic cleaner. Dry completely.
Step 3
Test fit the casting. Grind or sand the interference areas of the hood or casting with a Roloc™ disc or a die grinder. Trace the outline of the casting onto the hood.
Step 4
Sand away all paint and oxidized plastic within the traced area. Hand sand any areas not reached with the Roloc disc. Its very important to expose fresh, clean plastic.
Step 5
Grind the mating surface of the casting with a coarse Roloc™ disc.
Step 6
Hand sand the mating surface of casting missed by the Roloc™ disc, using 60 grit or coarser sandpaper.
Step 7
Blow dust off the sanded hood and casting. Do not re-clean with 1001-4 EcoPrep as moisture may become trapped in the sanding grooves and interfere with the bond.
Step 8
Place casting in place and mark the hole locations.
Step 9
Drill the marked holes with a 5/32” drill bit. Drill through to the outside of the hood only in the location shown above.
Step 10
Apply blue thread locker to the bolts and fasten the forked bracket to the casting.
Step 11
Loosely screw the casting to the hood. Using gentle pressure and high speed to reduce tear-out, drill a 1/4” hole through the hood at the location shown.
Step 12
Counter-bore the 1/4” hole, 1/4” deep with a 3/8” drill bit to provide clearance for the bolt’s shoulder.
Step 13
Tap the elevator bolt with rubber washer into the hole.
Step 14
Using a two inch wide piece of tape, tape the bolt in place.
Step 15
Remove the casting then apply half a cartridge of 2510 PlastiFix adhesive to the hood.
Step 16
Apply the other half of the 2510 PlastiFix adhesive to the mating surface of the casting.
Step 17
Install the casting onto the hood using the screws, elevator bolt, and nut. Apply just enough torque to snug the casting in place.
Step 18
Wipe excess adhesive from the hood.
Step 19
Remove the tape and wipe away any adhesive that may have squeezed through.
Step 20
Allow 24 hours for full cure before attaching the strut and returning the hood to service.
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This page was created on April 15, 2025
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