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.
Deflection Method
2004 Acura 3.5RLSECTION Deflection Method
NOTE:
If the belt is worn or damaged, replace it.
Apply a force of 22 Lbs. (98 N) and measure the deflection between the alternator and crankshaft pulley. See Fig 1Deflection:
- Used Belt:37 -.45" (9.5 -11.5 mm)
- New Belt:28 -.31" (7.0 - 8.0 mm)
RENDER: 1.0x
NO RELATED
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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.