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Home >> Mercedes Benz >> 1997 >> C280 >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels, Chassis Alignment Check -- 202 Chassis >> Testing & Repair >> Checking alignment of steering knuckle (removed) - AR40.30-P-0451D

Checking alignment of steering knuckle (removed) - AR40.30-P-0451D

MODEL 210.081 /082 /083 /281 /282 /283 

Left steering knuckle shown 

Fig 1: Checking Alignment Of Steering Knuckle (Model 210.081 /082 /083 /281 /282 /283) - Left Steering Knuckle Shown (1 Of 4)
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Fig 2: Checking Alignment Of Steering Knuckle (Model 210.081 /082 /083 /281 /282 /283) - Left Steering Knuckle Shown (2 Of 4)
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Fig 3: Checking Alignment Of Steering Knuckle (Model 210.081 /082 /083 /281 /282 /283) - Left Steering Knuckle Shown (3 Of 4)
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Fig 4: Checking Alignment Of Steering Knuckle (Model 210.081 /082 /083 /281 /282 /283) - Left Steering Knuckle Shown (4 Of 4)
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REMOVINGINSTALLING Removal, installation     
1 Remove and install steering knuckle   AR33.25-P-0400D
MEASURING Measuring     
2 Place steering knuckle with wheel hub or brake disc installed on parallel supports COMMERCIALLY AVAILABLE TOOLS *WH58.30-Z-1015-12A 
3 Scan and note height dimension "A" as comparative dimension with a height marking device COMMERCIALLY AVAILABLE TOOLS Measure at the flat surface of the brake caliper mounting. *WH58.30-Z-1016-12A 
4 Scan and note height dimension "B1-B3" at the lowest point of the each bore. IMPORTANT The test values result from the difference in height dimension "A" to the height dimensions:
"B1" = Bearing of supporting joint
"B2" = Bearing of upper wishbone
"B3" = Bearing of steering knuckle arm/tie rod
*BE40.30-P-1001-01A 
Test values - steering knuckle

Number Designation Models 210.08/28
BE40.30-P-1001-01A Difference in height measurement "A" - "B1" mm 23.3 ± 1
"B2" - "A" mm 65.6 ± 1
"B3" - "A" mm 1.8 ± 1
Refer to illustration AR40.30-P-0451D 
Commercially available tools

Number Designation
WH58.30-Z-1015-12A Parallel bases
WH58.30-Z-1016-12A Height marking device