suspension service overview testing the repair suspension parts. 1. measure spring height/replace...
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Suspension Service OverviewSuspension Service Overview
Testing the repair suspension parts.
1. Measure spring height/replace springs.
2. Testing shocks and struts/replacement.
3. Checking suspension parts/ replace as necessary.
4. Replacement of: ball joints, control arms bushings, control arms, steering knuckles, strut rods, strut rod bushings, stabilizers & stabilizer bushings.
Steering Service OverviewSteering Service Overview
Testing and repair of steering parts.
1. Test conventional steering parts for wear and damage.
2. Test rack and pinion steering for wear and damage.
3. Replace worn parts including: tie rods, idler arms, center links, pitman arms, pitman shaft seals, entire racks & power steering repairs.
Wheel Alignment OverviewWheel Alignment Overview
Front wheel alignment.4 wheel alignment.Hunter DSP 400.
Automotive SpringsAutomotive Springs
Leaf Springs Coil Springs Torsion Bars Air Suspension
Leaf SpringsLeaf Springs
Often used on trucks and SUV’s some car applications
Coil SpringsCoil Springs
Most common type on automobiles
Requires more sophisticated suspension system
Torsion BarsTorsion Bars
Popular on pick-ups and SUV’s
Adjustable on many applications
Air SuspensionAir Suspension
Used on luxury cars Complicated Can use sensors and
computer
Testing SpringsTesting Springs
Measuring height called ride height or curb height
Simple inch or mm measurement
Need to know where to measure
Must check specifications
Shock AbsorbersShock Absorbers
Remove spring oscillations
Dual Acting Direct Action Telescopic Hydraulic Gas operated
Checking Shock AbsorbersChecking Shock Absorbers
Look for oil leaks Jounce test Bench test
Rear SuspensionRear Suspension
Rear suspension using leaf springs.
Control Arm SuspensionControl Arm Suspension
Steering knuckle Upper control arm Lower control arm Upper ball joint Lower ball joint Upper control arm
bushings Lower control arm
bushings Spring Shock
McPherson StrutMcPherson Strut
Spring Strut (shock) Lower control
arm Lower ball joint Steering knuckle Strut rod Stabilizer
Inspecting Control Arm Inspecting Control Arm SuspensionsSuspensions
Visual inspection Control arms Steering knuckle Upper and lower
control arm bushings Jack properly to check
ball joints
Inspecting McPherson Strut Inspecting McPherson Strut SuspensionsSuspensions
Visual inspection Control arm Steering knuckle Lower control arm
bushings Properly lift to check
lower ball joint Strut
Strut RodsStrut Rods
Strut rod is also known as a brake reaction rod.
Strut Rod orBrake Reaction Rod
StabilizersStabilizers
Anti-Roll or Sway bar for better cornering. Note: It mounts to each control arm and the chassis.
Conventional or parallelogram type used on trucks and large cars
Rack and pinion steering used on most cars
STEERING LINKAGE
Steering Linkage DetailSteering Linkage DetailIdler Arm Tie Rod
Inspecting Steering LinkageInspecting Steering Linkage
Inspect the following: Pitman Arm Idler arm Center link Tie-rod ends Rack housing Boots and bushings
Grab the tire in the front and moveback and forth. Observe parts forImproper looseness.
Rack and Pinion SteeringRack and Pinion Steering
How a Rack and Pinion WorksHow a Rack and Pinion Works
Pinion connects to the steering column.
Rack (a flat gear) Connects to the tie rods and steering arm.
Exploded view of the rackExploded view of the rack
Rack & Pinion Steering Rack & Pinion Steering InspectionInspection
Check out-board tie rods ends.
Check in-board tie rod ends.
Check bellows boot. Check rack mounting. Check pinion gear
lash.
Power SteeringPower Steering
Hydraulic assist using a pump, reservoir, hoses, valves and power cylinder.
Conventional Power SteeringConventional Power Steering
Integral Type Power SteeringIntegral Type Power Steering
Power Rack & Pinion Power Rack & Pinion SteeringSteering
Power Steering InspectionPower Steering Inspection
Check for the following:
1 - Belt tension2 - Belt condition3 - Leaks4 - Noises5 - Proper operation