Pinpoint Test Ac-1: Noise - Over Bumps, Rough Roads, Dips, Depressions Or When Entering A Driveway
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
Description
- Noises over bumps and rough roads involve parts which move and contact during an up and down motion.
Pinpoint Test Applicability
- This test applies to the following diagnostic concerns:
- Noises occurring over bumps, rough roads, dips, depressions or when entering a driveway
This test DOES NOT apply to any other DTC or symptom.
Diagnostic Strategy
- To visually check for obvious parts that may be damaged within parts that are in motion during this drive event, followed up by Chassis Ears usage to further define where the noise source may be while steering (turning the steering wheel) during this drive event.
Pinpoint Test Purpose
- To search for the components contributing to steering noises during this drive event and determine if the resulting components are defective or the noise is a normally occurring noise for this vehicle type.
Possible Sources
- Heat shields
- Stabilizer bar insulators or links
- Front shock brackets or strut mounts
- Loose steering gear tie rods
- Loose steering gear bolts
- Loose front brake calipers or pins
- Loose lower control arm-to-subframe bolts or bushings
- Loose ball joint
- Loose exhaust heat shield, isolators or brackets
- Subframe to body attachments points
- Upper or lower steering shaft
- Internal or external steering gear stops