5
25
5 Wheel Installation
Recommendations for
proper
installation of
wheels
5-1
NOTICE: Do not exceed maximum
wheel load. Cus tomer must
compare OEM vehicle load rating
to maximum wheel load rating.
Refer to tire manufacturer’s
recommendation for proper tire
pressure. Be fore mounting the tire
perform a wheel fitment check to
insure proper clearance from any
ob structions.
NOTICE: Check for and replace
bent, broken, cracked or
damaged studs. When replacing
broken studs, always replace
the studs on each side of the
broken stud. If two or more studs
are broken, replace all the studs
for that wheel position. Check
with the stud manufacturer for
regular maintenance and stud
replacement practices.
All wheel fastener hardware should
be grade 8 or metric conversion
10.9. Follow the hardware
manufacturer’s recommendations
when replacing studs.
1. Make sure all wheel cap nuts are properly torqued — check them often (see Section 5-8). If the wheel is loose, the
holes will pound out (deform). If some cap nuts are tight and others are loose, the wheel may develop cracks or
studs may break. This condition may cause wheel to loosen and disengage from the vehicle. Dirt streaks or rust
radiating from stud holes can indicate loose nuts (see Section 3).
2. Be sure the end of the wheel wrench is smooth or cover the wheel mounting surface with a protective shield
prior to tightening the cap nuts. The wrench end will mar the wheel around the cap nuts if it is not smooth.
3. Keep all component contact surfaces smooth and clean. Dirt or projections on mounting surfaces may lead to
loose wheels. Remove all projections resulting from burrs, nicks, etc. Be sure that loose dirt does not fall onto
mounting surface during assembly.
4. Do not introduce any foreign objects such as spacers or top hats into the contact surface areas of the mounting
system unless approved by Alcoa. Do not paint Alcoa forged aluminum wheels.
5. Additional care should be used when mounting Alcoa Dura-Bright
®
surface treated wheels since minor nicks
and scratches cannot be polished out (see Section 3-15, for specific cautions, care and maintenance procedures).
6. Disc Mates are a protection gasket designed to be placed between the wheels and also the brake drum/wheel
contact surfaces (see Sections 5-2, 5-6, 5-7, 5-9). Disc Mates are recommended to be replaced when the tire/wheel
assemblies are removed and reinstalled.
WARNING Wheels that are not properly installed or maintained may not be safe.
Failure to follow proper wheel installation or maintenance practices may result in
serious injury or death.
Follow the proper wheel installation and maintenance practices as contained in this
Alcoa Wheel Service Manual. For training on proper installation and maintenance,
available free of charge from Alcoa, or for the most recent updates, contact Alcoa
Wheel Products at 1-800-242-9898 or on the web at www.alcoawheels.com.
WARNING
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