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Chevrolet/GMC
FULL SIZE TRUCK
27/31
Installing the Rivet Nuts
A rivet nut tool is required for this installation
(not included)
Please install Screw Kit B (Additional Upper
Mounting Kit for ‘14-Up) before proceeding.
1
Align the lower center bracket over the factory bolts
on the carpet.
2
Press the upper brackets of the Zero Space
Subwoofer against the body.
3
Using a Punch tool, mark the hole location as
shown below.
Screw Kit A (Upper
Mounting Kit)
Screw Kit B (Additional
Upper Mounting Kit for
‘14-Up)
Screw Kit C ( Lower
Mounting Kit)
4
Remove the Zero Space Subwoofer.
If the Zero Space Subwoofer is not removed,
metal shavings will damage the voice coil and/or
speaker.
5
Use a 25/64” (10mm) drill bit to drill the holes
locations. Clean any metal shavings/edges.
6
Install the M6 rivet nuts according to the tool
manufacturer’s instruction.
SUbwooFER PREPARATIon
Vent
Strip Caulk (1 pc)
10mm Foam Gasket
5mm Foam Gasket
Strip Caulk (1 pc)
Strip Caulk (1 pc)
Subwoofer
(ALP-2131GM-ZSS)
Vehicle Cab Wall
Due to the unique sealing properties of the foam
and compound, it can only be applied once.
1
Apply one piece of the strip caulk to the body of the
vehicle ½” away from the modified pressure vent
opening as shown below.
2
Position the 10mm foam gasket over the opening
and apply strip caulk to the bottom as shown.
3
Fold a piece of the strip caulk and put over the cut
out of the gasket.