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rocker
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« Reply #2 on: » |
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For you Kyle.
Light Vehicle Safety Inspection Methods and Standards
Section 2 - Suspension
Item and Method of Inspection Reject If
1. Leaf Suspension
Raise vehicle, use pry bar where applicable and using the frame as a pivot, attempt to pry spring attachments and check for movement. Visually and manually inspect:
a) springs
a) leaf missing, leaf broken or welded, cracked sagged so as to lower the vehicle more than 38 mm (1.5 in) from manufacturer's specified height
shifted so as to be less than 13 mm (1/2 in) from any rotating part
does not operate as intended
b) composite springs (fuzzing is not cause for rejection)
b) broken, splintered, separating, delaminating, not same type on both sides of vehicle
c) shackles
c) missing, loose, broken, cracked, worn in excess of 3 mm (1/8 in) at the shackle bolt hole
shackles extended
d) hangers
d) missing, loose, broken, cracked, worn in excess of 3 mm (1/8 in) at the hanger bolt hole
e) U-bolts
e) loose, welded, cracked, broken, missing, inferior substitue
f) centre bolts
f) missing, welded, broken, loose
g) bushings or pivot
g) missing, loose, worn in excess of 3 mm (1/8 in)
h) stabilizer bar (front or rear) (if equipped)
h) missing, disconnected, broken, loose, welded, damaged, bushings worn excessively, bushing brackets missing or loose, bushing bracket bolts loose or missing
i) bump pad
i) missing, loose, split, badly deteriorated
j) road clearance (modified vehicles)
j) track bar or other suspension component extends down below wheel rim
OUT OF SERVICE CRITERIA
i) any component allows the axle to shift from its normal position
ii) any attaching or tracking component is missing, loose, cracked and/or broken
iii) main leaf/safety leaf or one-quarter of the leaves in one assembly are broken and/or missing
iv) any leaf is shifted in a manner as to contact any rotating part
2. Coil Spring Suspension
Visually inspect:
a) springs
a) missing, broken, welded, improperly seated in the spring saddle, sagged so as to lower vehicle more than 38 mm (1.5 in) from manufacturer's specified height. Does not operate as intended.
b) control arms
b) bent, loose, cracked, welded, bushings loose
c) torque arms (rear)
c) missing, loose, bent, cracked, welded, bushings loose
d) axial strut (applicable units)
d) missing, loose, bent, cracked, welded, bushings loose
e) radius arm ( applicable units)
e) missing, loose, bent, cracked, welded, bushings loose
f) stabilizer bar (front and rear)
f) missing, bent, loose, disconnected, broken, welded, damaged, bushing brackets and bolts missing or loose
g) bump pad
g) missing, loose, split, badly deteriorated
h) spacer
h) spacer used between coils
i) road clearance (modified vehicles)
i) track bar or other suspension component extends down below wheel rim
NOTE: Spacers allowed under/on top of coil spring
OUT OF SERVICE CRITERIA
i) any spring is broken
ii) any attaching and/or tracking component is missing, loose, cracked and/or broken
3. Torsion Bar Suspension
Visually inspect:
a) torsion bar
a) missing, broken, cracked, welded, sagged so as to lower the vehicle more than 38 mm (1.5 in) from manufacturer's specified height
b) mounting brackets
b) missing, broken, loose, cracked, welded
c) control arms
c) bent, loose, cracked, broken, welded, bushings loose
d) torque arms (applicable units)(rear)
d) missing, bent, loose, broken, cracked, welded, bushings loose
e) stabilizer bar(s) (applicable units)
e) missing, bent, loose, disconnected, broken, welded, damaged, bushing brackets and bolts missing or loose
f) axial strut (applicable units)
f) missing, loose, broken, bent, cracked, welded, bushings loose
g) bump pad
g) missing, loose, split, badly deteriorated
h) road clearance (modified vehicles)
h) track bar or other suspension component extends down below wheel rim
OUT OF SERVICE CRITERIA
i) any torsion bar is cracked and/or broken
ii) any attaching and/or tracking component is missing, loose, cracked and/or broken
4. MacPherson Strut
Visually inspect:
a) coil spring
a) missing, welded, improperly seated in spring saddle, sagged so as to lower the vehicle more than 38 mm (1.5 in) from manufacturer's specified height. Does not operate as intended.
b) control arm
b) bent, loose, cracked, welded, bushings loose
c) mounting tower
c) corrosion holes present, any area corroded to a depth as to show evidence of metal fatigue, section repairs other than metal and sections welded in other than by an approved method,
attaching bolts are missing, loose, inferior type, bent and/or misaligned
d) stabilizer bar
d) missing, bent, disconnected, broken, loose, welded, damaged, bushings loose,
- bushings brackets and bolts missing or loose
e) upper strut bearing
e) loose, binding, worn, incorrectly positioned
f) bump pad
f) missing, loose, split, badly deteriorated
g) road clearance (modified vehicles)
g) track bar or other suspension component extends down below wheel rim
OUT OF SERVICE CRITERIA
i) any spring is broken
ii) any attaching or tracking component is missing, loose, cracked and/or broken
5. Multilink Independent Rear Suspension
Visually inspect:
a) springs
a) missing, welded, improperly seated in saddle, sagged so as to lower the vehicle more than 38 mm (1.5 in) from manufacture's specified height
b) ball joints
b) exceeds Original Equipment Manufacturer's (OEM) tolerances, loose in knuckle or control arm
c) suspension members
c) missing, bent, disconnected, broken, loose, welded, damaged
d) stabilizer bar
d) missing, bent, broken, loose, disconnected, welded, damaged, bushing brackets and bolts missing or loose
e) bushings
e) loose, missing deteriorated
OUT OF SERVICE CRITERIA
i) any spring is broken.
ii) any attaching or tracking component is missing, loose, cracked, and/or broken
6. Independent Rear Suspension
Manually and visually inspect:
a) coil spring
a) missing, welded, improperly seated in spring saddle, sagged so as to lower the vehicle more than 38 mm (1.5 in) from manufacturer's specified height
b) ball joints
b) exceed Original Equipment Manufacturer's (OEM) tolerances, loose in knuckle or control arm
c) control arm
c) bent, loose, cracked, welded, bushings loose
d) knuckles
d) bent, welded, distorted
e) pivot bolts
e) missing, bent, welded, nuts missing or loose, threads stripped
f) anchor bolts
f) missing, bent, welded, nuts missing or loose, threads stripped
g) stabilizer bar/link
g) missing, bent, disconnected, loose, welded, damaged, bushings loose, bushing brackets and bolts missing or loose
h) rear axle carrier (if equipped)
h) any component is missing, bent, disconnected, loose, welded or damaged
OUT OF SERVICE CRITERIA
i) any spring is broken
ii) any attaching or tracking component is missing, loose, cracked and or/broken
7. Computer Controlled Air Suspension System
WARNING - Control switch must be in "OFF" position if vehicle is being hoisted or raised.
Visually and manually inspect:
a) air Springs
a) missing, cut, loose, leaking, patched, spring rubber cracked to first braid, vehicle leans to one side
b) lines
b) missing, crushed, cracked, disabled, leaking, restricted, insecurely mounted
c) spring mounting
c) brackets or bolts loose or missing, bolt threads stripped, spring loose in mount
d) compressor
d) missing, insecurely mounted, inoperable
e) compressor relay (If OEM)
e) missing, inoperable
f) control module
f) missing, inoperable
g) height sensors
g) missing, loose, inoperable, improperly located
h) switch
h) missing, inoperable, disconnected
i) warning lamp
i) inoperable, inoperable during test cycle
OUT OF SERVICE CRITERIA
i) any air spring is deflated
8. Shock Absorbers/Strut Shock Absorber
By bouncing the vehicle manually and then raising vehicle, visually inspect:
a) condition
a) vehicle oscillates more than 2 cycles, shaft bent or welded, shaft surface corroded, shaft attaching threads stripped
does not operate to OEM specifications as intended
b) mountings
b) missing, cracked, broken, loose,
c) bushings
c) loose, missing, deteriorated
d) attachments
d) cracked, loose, broken, missing, bolts missing or stripped
e) oil leakage
e) leaking (seepage is not cause for rejection)
f) positioning
f) shock not located at each wheel position
OUT OF SERVICE CRITERIA
i) any shock absorber is not attached on coil spring suspension
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