Page 1
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER
WITH TIRE CARRIER INSTALLATION
The Poison Spyder Customs RockBrawler Rear
Bumper with Tire Carrier is easy to install with
the right tools and good mechanical abilities. If
you are not condent in your mechanical skills,
please seek the help of a professional to perform
the installation. Please read through these entire
instructions before proceeding with installation.
IMPORTANT: Completely install and remove the
bumper prior to painting or powder coating it.
This will allow you to check for tment or do any
clearancing or tting ahead of time, to reduce
the chance of damage to the nish during nal
installation. Poison Spyder Customs Inc. is not
responsible for costs for or damage to paint or
powder coat nish under any circumstances,
including paint or powder coat of incorrectly
shipped or defective parts.
PARTS LIST
(1) RockBrawler Rear Bumper with tire carrier
spindle & latch housing
(1) RockBrawler Rear Tire Carrier
(1) Spyder Web Gusset Detail
(1) Tire Mount - Carrier Side
(1) Tire Mount - Tire Side
(1) License Plate Mount
(1) Latch Mechanism
(1) Latch Pin
(1) Latch Receiver
(1) Ball Joint Elbow
(1) Threaded Latch Rod
(1) Latch Knob
(1) Lock Pin Assembly
(1) Lock Pin Knob
(1) Lock Pin Slider Plate
(2) Tapered Roller Bearing with Race - Timken
SET5
(1) Grease Seal - Timken #5121
(1) Billet Pivot Housing Cap
(1) Pivot Housing Cap O-Ring
(1) 1”-14 GrC All Metal Lock Nut
(1) 1” Flat Washer
(2) Bolt Plate (pre-installed)
(16) 3/8-16 Keeper Washer (pre-installed)
(16) 3/8-16 X 2 Gr8 Hex Head Cap Screw (pre-
installed)
(11) 3/8 Flat Washer
(11) 3/8-16 Nylon Insert Lock Nut
(4) 7/16-14 x 1 Gr8 Hex Head Cap Screw
(8) 7/16 Flat Washer
(4) 7/16-14 Nylon Insert Lock Nut
(3) 3/8-16 X 3/4 Hex Head Cap Screw
(4) 1/4-20 X 3/4 SS Button Head Cap Screw
(2) 1/4-20 X 3/4 Gr5 Hex Head Cap Screw
(8) 1/4 Flat Washer
(6) 1/4-20 Nylon Insert Lock Nut
(3) #10-24 X 3/4 SS Button Head Cap Screw
(3) #10-24 Nylon Insert Lock Nut
(3) #10 Flat Washer
(2) 1/8” Blind Rivet
(3) Wheel Stud
(3) Wheel Lug Nut
TOOLS NEEDED
• Primer, paint, cleaners and masking
materials (if painting)
• Mechanic’s tool set with a full assortment
of SAE and metric end wrenches, sockets,
ratchets, hex keys, etc.
• 18mm socket
• 9/16” socket
• Ratchet
• Torque wrench
• T27 Torx driver bit with ratchet
• 1-1/2” socket with breaker bar
• 2-12” wrench, socket or big-ass crescent
wrench
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 2
• Pop rivet install tool
• Bearing seal driver or soft dead-blow
hammer
• Shop press or heavy hammer
• Loctite® 242 (blue) or equivalent thread
lock compound
• Anti-sieze thread lubricant
• Quality wheel bearing grease
• Wheel bearing grease packing tool OR the
skill to pack bearings by hand
• Latex or nitrile gloves
• Felt-tipnepointmarker
INSTALLATION PROCEDURE
1. Park the Jeep on a at, levelsurface and
set the parking brake.
2. Remove existing rear bumper. If it is
the stock bumper, use a T27 Torx driver to
remove the plastic bumper extensions, then
use an 18mm socket and ratchet remove
the large nuts/bolts from the frame rail side
brackets and along the bottom of the bumper.
Keep the OE hardware as some of it will be
re-used.
3. Remove the pre-installed 3/8-16 nylon
insert lock nuts and washers from the Bolt
Plates on the inside of the RockBrawler
bumper. Do not remove the Keeper Washers
that hold the Bolt Plates in place. Note that
there are several sets of unused bolt slots
on the bumper’s internal mounting surface.
These are for different Jeep models, please
disregard them for your application.
4. Install the RockBrawler bumper. The bolts
in the captured bolt plates will align with the
mounting holes in the Jeep’s frame/bumper
brackets. The Bolt plates are captured in
horizontal slots to allow for some adjustment
and manufacturing variances in the Jeep’s
frame. Install the provided 3/8-16 nylon
insert lock nuts and 3/8 at washers on to
the threaded studs of the Bolt Plates, where
they protrude through the Jeep’s mounting
bracket. Do not fully tighten them at this time.
5. Use two (2) of the 10mm OE mounting bolts
(18mm wrench size) to bolt through the slots
located along the underside of the bumper
into the OE welded-in-place nuts inside the
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
rear crossmember. Do not fully tighten them
at this time.
6. With all hardware installed, check that the
bumper is level and correctly aligned with the
Jeep, as the slots in the Bolt Plates will allow
for a small amount of adjustment. It may be
easiest to slightly tighten each of the bolts
then use a soft dead blow hammer or rubber
mallettolightlytapthebumpertomakene
adjustments.
7. Once the bumper is correctly levelled and
aligned, tighten all mounting bolts to 45 ft./
lbs.
NOTE: The photos shown in the following steps
depict the tire carrier installation on a JK version
of the RockBrawler Rear Bumper, however the
procedure is the same for the TJ/YJ/CJ version.
8. Use the two (2) supplied 3/16” pop rivets
to attach the crescent-shaped stainless steel
Lock Pin Slider Plate to the bumper at the
base of the hinge spindle.
FIGURE 7
9. Wearing latex or nitrile gloves, “Pack” the
two tapered roller bearings with a quality
wheel bearing grease by hand or with a
bearing packing tool. The two matching
bearing races are already pressed in to the
tire carrier hinge housing.
10. Wearing a latex or nitrile glove, use your
ngerstoapplyalightsheenofgreasetothe
bare metal surfaces of the inside of the tire
carrier hinge housing and bearing races, as
well as the hinge spindle on the bumper (do
not coat the threads for the spindle nut). This
will help discourage rust formation on these
bare metal surfaces.
11. Insert a Tapered Roller Bearing into the
pre-installed Lower Race, inside the Hinge
Housing. Ensure that it seats correctly and
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 3
“feels right” in the race. Excess grease may
hold it in place temporarily, but it may be
helpful to turn the tire carrier upside down
until the next step is completed.
12. Use a bearing seal driver tool to carefully
install the grease seal into the bottom of the
hinge housing. If the proper tool is not available,
the step may be performed by carefully using
a large socket of the approximate diameter
of the seal and a soft dead-blow hammer to
work the seal into its seat. Be very careful
to drive the seal in evenly, do not let it get
misaligned while driving it in.
13. Install the Tire Carrier onto the bumper,
carefully guiding the hinge housing down
over the hinge spindle. Be careful not to
damage the grease seal when lowering the
tire carrier on to the spindle. There is a very
tight-toleranceslip-tbetweeninnerdiameter
of the tapered roller bearing and its seating
surface on the spindle. Be careful not to
let the bearing get misaligned as you lower
the carrier onto the bumper. Have a friend
support the opposite end of the tire carrier
during this and the next two steps.
get it as tight as it takes to properly seat the
bearings and provide smooth operation of
the tire swing without any “play”. You may
need to re-tighten this nut several times until
it permanently seats.
FIGURE 9
16. Install the Hinge Cap O-Ring onto the
outside of the threads of the Billet Hinge
Cap, just under the head of the cap (NOTE:
this may have already been done prior to
shipment).
17. Thread the Hinge Cap onto the Hinge
Housing and lightly tighten with a 2-12”
wrench, socket with ratchet or big-ass
crescent wrench. Note that you may have to
remove it in later steps to further tighten the
spindle lock nut, so don’t fully tighten the cap
until installation is complete.
18. Install the Lock Pin Assembly into the
provided housing (on the side of the hinge
bearing housing). Use an open-end wrench
to carefully tighten the hex head of the pin
assembly.
FIGURE 8
14. Install the remaining Tapered Roller
Bearing by dropping it down over the hinge
spindle, narrow end pointed downward.
Carefully slide it down the spindle until it is
seated into the upper race.
15. Apply some anti-sieze thread lubricant to
the threads on the spindle. Install the large 1”
Flat Washer next on the spindle, followed by
the 1”-14 Grade C All-Metal Lock Nut. Tighten
the lock nut until it just touches the washer and
bearing, then have your friend slowly swing
the tire carrier back and forth as you tighten
the lock nut the rest of the way. We can not
supplyatorquespecicationforthisnut,just
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
FIGURE 10
19. Install the billet Lock Pin Knob onto the
threads of the Lock Pin Assembly. Use a
drop of blue Loctite or thread locker on the
threads.
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
20. Install the Latch Receiver into the latch
receiver housing on the bumper as shown in
Figure 11 using (2) 5/16-18 X 3/4 SS Button
Head Cap Screws with a drop of Loctite® 242
(blue) or equivalent thread lock compound
on the threads of each fastener. The rubber
bumpers at the top and bottom of the receiver
should taper (get narrower) toward the rear of
the latch receiver housing (toward the front of
the Jeep). Leave the two screws untightened
until completing the next step.
21. Install the Latch Pin into the Latch
Receiver, as shown in Figure 11, with a drop
of Loctite® 242 (blue) or equivalent thread
lock compound on the threads of the latch
pin. Tighten with a Torx T50 driver bit, then
tighten the two button head cap screws that
were installed in the previous step.
22. Install the Latch mechanism into the latch
mechanism housing on the tire carrier as
shown in Figure 12, using the (3) 5/16-18 X
1-1/2 SS Button Head Cap Screws and (3)
5/16-18 Nylon Insert Lock Nuts. The throughholes in the latch mechanism will correspond
to the holes in the latch mechanism housing,
making its intended orientation obvious. Make
sure the button heads are to the outside, and
the lock nuts are on the inside. Snug these
fasteners at this time, but do not fully tighten
themuntilthenalsteps.
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 4
FIGURE 11
FIGURE 12
23. Install the Ball Joint Elbow onto the Latch
Mechanism actuator arm as shown in Figure
2, with a 1/4-20 Nylon Insert Lock Nut on the
back side of the threaded stud of the elbow.
24. Insert the Threaded Latch Rod through the
small hole in the top of the latch mechanism
housing and thread it into the threaded elbow
with a drop of Loctite® 242 (blue) or equivalent
thread lock compound on the threads.
25. Thread the Latch Knob onto the end of
the Threaded Latch Rod with a drop of
Loctite® 242 (blue) or equivalent thread lock
compound on the threads.
FIGURE 13
NOTE: If testing the alignment of the latch
components at this time, they may be signicantly
vertically misaligned. We intentionally build
the Tire Carrier with “pre-load” so that once the
weight of the spare tire is on it, it will more closely
align. Do not worry about misalignment until after
the spare tire is mounted in the later steps.
26. Use three #10-32 X 3/4 SS button head cap
screws with #10-32 nylon insert lock nuts
to attach the Spyder Web Gusset Detail to
the gusset on the tire carrier. Use a drop of
Loctite® 242 (blue) or equivalent thread lock
compound on the threads of each fastener.
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 5
27. Measure the overall height of your spare
tire (NOT one of the mounted tires on your
Jeep!), divide that measurement in half, then
add one inch. The resulting number will be
your tire mount height measurement. With
the Tire Carrier closed and latched, measure
upward from the recessed step surface of the
bumper, and make a small mark on the tire
carrier at the tire mount height measurement.
28. Use (4) 7/16-14 x 1 Gr8 Hex Head Cap
Screws with (4) 7/16 Flat Washers and (4)
7/16-14 Nylon Insert Lock Nuts to attach
the Tire Mount - Carrier Side to the Tire
Carrier, centered on the mark you made in
the previous step. The slots in the tire carrier
allow for some adjustment, however if there
isn’t enough adjustment to center the Tire
Mount exactly centered on your mark, move
it up slightly to the next set of slotted holes
in the carrier. Tighten the four bolts/nuts to
approximately 50 ft.-lbs.
29. Look at the Tire Mount - Tire Side, and
note that there are wheel stud holes for
several different bolt patterns. Use the Bolt
Pattern Template provided at the end of these
instructions to determine which THREE holes
to use for your specic bolt pattern. Once
thethreeholesare correctly identied,mark
them with a felt-tip marker.
30. Use a shop press or hammer to drive the
three provided Wheel Studs into the mounting
plate, using the holes that were marked in the
previous step. Make sure the studs point
in the opposite direction from the V-channel
piece that is welded to the back of the plate.
31. Lay your spare tire on the oor with the
mounting surface of the wheel pointed up.
Lay a long straight edge (yardstick, level, or
other suitable item) across the middle of the
tire. Measure the vertical distance from the
straight edge to the wheel mounting surface.
This is the Overall Offset measurement,
including any bulge in the tire sidewall.
32. Fit the Tire Mount - Tire Side channel on to
the corresponding beam of the Tire Mount Carrier Side. Use (3) 7/16-14 X 3 Gr8 Hex
Head Cap Screws with (6) 7/16 Flat Washers
and (3) 7/16-14 Nylon Insert Lock Nuts to
secure the Tire Mount-Tire Side to the Tire
Mount - Carrier Side, using the slotted holes
provided. Adjust the position of the mounting
surface of the distance between the Tire
Mount and the surface of the tire carrier frame
is 1/4 to 1/2 inch LESS THAN the Overall
Offset measurement found in the previous
step. Once properly adjusted, tighten the
three bolts/nuts to approximately 50 ft.-lbs.
NOTE: Some tire/wheel combinations, such
as 12.50 wide tires on stock Jeep wheels,
may require more Overall Offset than the
adjustment in the Tire Mount components allows
(approximately 4-3/4” to 6-3/4”). In these cases,
source a wheel spacer of suitable thickness to
make up the difference.
33. With the help of a friend, lift the spare tire
onto the Tire Mount - Tire Side, and t the
previously installed lug studs through the
holes in the wheel. Tighten the (3) Lug
Nuts. This will draw the sides of the tire
tightly against the frame of the Tire Carrier, to
prevent rattles and squeaks.
34. Test-close the tire carrier. Note that the
Tire Carrier is built with “pre-load”, and it
needs the weight of the spare tire to be on it
for optimal alignment of the latch mechanism.
Even with the weight of the spare tire now on
the carrier, It is to be expected that the latch
mechanism and the latch pin/receiver may not
alignperfectlyonthersttry.Youmayneed
to loosen the attachment hardware of the
various components of the latch assembly to
align the correctly, then re-tighten. It may also
be necessary to make sure the hinge bearings
are fully seated in order to attain proper
alignment. Once all adjustments are made,
re-tighten the latch mechanism components
and re-check for proper operation of the latch
mechanism.
35. Use (4) 1/4-20 X 3/4 SS Button Head Cap
Screws, (4) 1/4 Flat Washers and (4) 1/4-20
Nylon Insert Lock Nuts to fasten your license
plate to the License Plate Mount.
36. Use the 1/4-20 X 3 Gr5 Hex Head Cap Screw
with 1/4 Flat Washer and 1/4-20 Wing Nut to
fasten the License Plate Mount to the Tire
Mount at the center of the spare tire. Tighten
the nut enough to eliminate “play” in the
bracket.
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
37. Once the entire bumper is mounted
and tested for proper operation, remove
and disassemble the bumper for paint or
powder coat. If painting yourself, careful
preparation will make a big difference in the
quality and longevity of your paint job, even
using “rattle can” aerosol paints. Begin by
thoroughly cleaning the bumper with solvent
or de-greaser, then make sure all residue is
removed. Even if you use cheap paint, try to
use a good quality primer. “Etching” primers
are best to use on bare, unpainted metal.
Allow it to properly dry before painting, and
between paint coats. Note that the Spyder
Web Gusset Detail is detachable so that it may
be painted or powder coated a contrasting
color from the rest of the bumper.
If powder coating, make sure the entire bumper
and tire carrier are completely disassembled rst.
Make sure the latch mechanism, bearings and
races or grease seal are not yet installed. Make
sure your powder-coater understands that the
hinge spindle must be masked off (not coated).
Do not paint or powder coat the crescent-shaped
stainless steel Lock Pin Slider Plate.
38. Once the bumper has been painted or
powder coated, re-install by repeating the
above steps.
Congratulations, you have completed installation
of your RockBrawler Rear Bumper and Tire
Carrier!
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 6
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
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Poison Spyder Customs •
BOLT PATTERN TEMPLATE
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 7
Use this Bolt Pattern Template to determine the
correct holes to use in the Tire Mount - Tire Side
plate, for your specic bolt pattern. The plate can
be used for any of 5 different bolt patterns, each of
which uses 3 holes which can be identied using
the template. The list at right identies some of
the vehicle models each bolt pattern is typically
used with, although there may be exceptions.
5
X 5.5
5
X 4.5
5 X 4.5 ‘87-’96 Jeep YJ, ‘97-’06 Jeep TJ, ‘84-’01 XJ
5 X 5.5 Jeep CJ, 1/2-ton Ford & Dodge trucks*
5 X 5 2007+ Jeep JK
6 X 5.5 Toyota, 1/2-ton Chevy & Jeep trucks*
8 X 6.5 Ford, GM, Dodge & Jeep 3/4- & 1-ton trucks*
*Prior to converting to metric for various models
5
X 5
6
X 5.5
6
X 5.5
5
X 5
5
X 5.5
5
X 4.5
6
X 5.5
5
X 5
5
X 4.5
5
X 5.5
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
Page 8
Poison Spyder Customs •
TJ-YJ-CJ ROCKBRAWLER REAR BUMPER Page 8
WARRANTY
Poison Spyder Customs™ warranties all of the
products we sell and distribute for one (1) year
from the date of sale. These products will be
free from defects in material and workmanship
under normal installation, and use. Due to the
intended use the powder coat nish is warranted
for ninety (90) days. The nish warranty will not
cover a product if it has been damaged in any
way. Warranty is limited to repair or replacement.
Poison Spyder Customs™ does not offer any type
of labor or shipping allowance and all warranty
claims are subject to inspection by Poison Spyder
Customs™.
At the discretion of Poison Spyder Customs™, the
products in question can be repaired or replaced
when found defective. Prior to any replacement
or repair, written authorization must be obtained
from Poison Spyder Customs™. Failure to contact
us prior to having warranty work preformed will
immediately void all applicable warranties; and it
is then the sole responsibility of the customer to
remit any payment incurred.
The warranty expressed above is the sole
warranty of Poison Spyder Customs™, and any
other expressed or implied warranties are hereby
specically excluded and disclaimed.
HOLD HARMLESS AGREEMENT
In purchasing a Poison Spyder Customs
Product™ I release, waive, discharge and
covenant not to sue Poison Spyder Customs
ofcers, servants, agents, or employees
(hereinafter referred to as Releasees) from any
and all liability, claims, demands, actions and
causes of action whatsoever arising out of or
related to any loss, damage, or injury, including
death, that may be sustained by me (or anyone
else), any property belonging to me (or anyone
else), whether caused by the negligence of the
releasees or otherwise, while working on, using
or any activity related to this product.
I am fully aware of risks and hazards connected
with the use of a this product and I elect to
voluntarily engage in such use of this product
knowing that the use may be hazardous to
me and my property. I voluntarily assume full
responsibility for any risks of loss, property
damage or personal injury, including death, that
may be sustained by me (or anyone else), or
any loss or damage to property owned by me (or
anyone else), as a result of using this product,
whether caused by the negligence of releasees
or otherwise.
I further agree to indemnify and hold harmless
the releasees from any loss, liability, damage or
costs, including court cost and attorney fees, that
they may incur due to my use of a this product,
whether caused by negligence of releasees or
otherwise.
It is my express intent that this Release and Hold
Harmless Agreement shall bind the members
of my family and spouse, if I am alive, and my
heirs assigns and personal representative, if I am
deceased, and shall be deemed as a release,
waiver, discharge, and covenant not to sue the
above named releasees. I further agree that this
Waiver of Liability and Hold Harmless Agreement
shall be construed in accordance with the laws of
the State of California.
By accepting this product, I acknowledge and
represent that I have read the above Waiver
and Liability and Hold Harmless Agreement,
understand it and accept it voluntarily as my
own free act and deed; no oral presentations,
statements, or inducements, apart from the
foregoing written agreement, have been made;
I am at least eighteen (18) years of age and
fully competent; and I execute this Release for
full, adequate and complete consideration fully
intending to be bound by same.
If you do not agree with the preceding Hold
Harmless Agreement, you may return the product
and receive a full refund. Please, contact a Poison
Spyder Customs™ sales representative and they
will issue a call tag for the product in question.
Once the product has been received by Poison
Spyder Customs™ a full refund will be issued.
©2011 POISON SPYDER CUSTOMS, INC. • 951-849-5911 • WWW.POISONSPYDER.COM
INSTALLATION INSTRUCTIONS
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