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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System - General Information >> Diagnosis And Testing >> Engine >> Inspection and Verification - NVH >> Rear of engine noise

Rear of engine noise

A common source of noise from the rear of the engine (knocking) is the flywheel/flexplate. Inspection of the flywheel/flexplate will be necessary.

If equipped, the Rear End Accessory Drive (READ) can also be a source of noise from the rear of the engine (squeal or chirp). The READ  consists of the coolant pump and belt.

Some engines have timing drive components at the rear of the engine and may be the source of noise (ticking, knocking or rattle). Use the Engine EAR/Chassis EAR or stethoscope on the rear of the engine if the noise is suspected to be internal to the engine. Some disassembly of the engine may be required to inspect for damage or wear.

  1. 13. After the noise is localized, note the characteristics of the noise, including type of noise, frequency and conditions when the noise occurs and GO to SYMPTOM CHART - NVH .
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