Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2004S2000 L4-2.2LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINDIFFERENTIAL ASSEMBLYSERVICE AND REPAIRDIFFERENTIAL SERVICEBACKLASH INSPECTION
2004 Honda S2000 L4-2.2L
Backlash Inspection
2004 Honda S2000 L4-2.2LSECTION Backlash Inspection
Backlash Inspection
1. Remove the output shafts and differential case assembly.
2. Thoroughly clean the ring gear and drive pinion teeth, and paint the ring gear teeth with Prussian Blue lightly and evenly.
3. Rotate the pinion three full turn in the forward and reverse directions to produce a contact pattern on the ring gear.
Good contact pattern
4. Measure the backlash of the ring gear.
^ Set the dial gauge tip at a right angle to the ring gear teeth.
^ Measure four points on the ring gear 90° apart.
^ Backlash will be within the standard if at one point the ring gear backlash is within the standard, minimum measurement of 0.05 mm or above and the difference between the maximum and minimum measurements do not exceed 0.07 mm.
^ Both adjustment screws must be adjusted. For example; if you turn one adjustment screw one notch clockwise, you must turn the other adjustment screw one notch counterclockwise.
Backlash:
Standard: 0.09 - 0.11 mm (0.0035 - 0.0043 inch)
Minimum: 0.05 mm (0.0020 inch)
Difference range: 0.07 mm (0.0028 inch)
1. Remove the output shafts and differential case assembly.
2. Thoroughly clean the ring gear and drive pinion teeth, and paint the ring gear teeth with Prussian Blue lightly and evenly.
3. Rotate the pinion three full turn in the forward and reverse directions to produce a contact pattern on the ring gear.
Good contact pattern
4. Measure the backlash of the ring gear.
^ Set the dial gauge tip at a right angle to the ring gear teeth.
^ Measure four points on the ring gear 90° apart.
^ Backlash will be within the standard if at one point the ring gear backlash is within the standard, minimum measurement of 0.05 mm or above and the difference between the maximum and minimum measurements do not exceed 0.07 mm.
^ Both adjustment screws must be adjusted. For example; if you turn one adjustment screw one notch clockwise, you must turn the other adjustment screw one notch counterclockwise.
Backlash:
Standard: 0.09 - 0.11 mm (0.0035 - 0.0043 inch)
Minimum: 0.05 mm (0.0020 inch)
Difference range: 0.07 mm (0.0028 inch)
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.