SSM75779

Service Bulletin Details

Public Details for: SSM75779

Clicking/ticking noise from front axle while turning left or right and full lock at low speeds


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Reference
SSM75779
Models
Defender / L663
Discovery / L462
Title
‘Clicking’/‘Ticking’ Noise from Front Axle While Turning Left or Right and Full Lock at Low Speeds
Category
Chassis
Last modified
01-Nov-2023 00:00:00
Symptom
303000 Steering/Handling
Content
Model / Model Year / Derivative:
DISCOVERY L462 / 21MY Onwards / With 350mm Brake Disc/365mm Brake Disc Only
DEFENDER L663 / 20MY Onwards / With 350mm Brake Disc/365mm Brake Disc Only
Situation:
NOTE: Vehicles installed with 350mm Brake Disc/365mm Brake Disc Only
Containment VINs
Discovery / L462: SALRA2AW2N2461398
Defender / L663: SALEJ7RX9N2085677
JLR Engineering investigations have found reports of a ‘clicking’ or ‘ticking’ noise whil turning left or right
and on full lock at low speeds.
Action:
Service Information:
When completing the below Service Instruction, the following parts are required to be renewed.
Discovery (L462)
4x LR100039 - Front hub/wheel bearing bolt (4x bolts per hub/wheel bearing)
Defender (L663)
4x LR100039 - Front hub/wheel bearing bolt (4x bolts per hub/wheel bearing)
1x LR024151 - Front halfshaft nut
1x KYG000230 - Front suspension upper arm ball joint to wheel knuckle bolt
1x FY110056 - Front suspension upper arm ball joint to wheel knuckle nut
Service Instruction:
1. Confirm the noise is either coming from the front left of front right hub/wheel bearing area(s), or in some
cases both.
2. Renew all four front hub/wheel bearing bolts on the affected side(s), (4x bolts per hub/wheel bearing)
NOTE:
Discovery (L462) hub/wheel bearing bolts can be renewed without removing any other suspension
components.
Defender (L663) hub/wheel bearing bolts cannot be renewed without removing any suspension
components, additional parts highlighted in the ‘Service Information’. The driveshaft requires to be
partially removed from the wheel hub assembly to gain sufficient access to remove the wheel bearing
bolts.
3. Renew* each front hub/wheel bearing bolt one at a time following the sequence illustrated in the
TOPIx workshop manual installation section of ‘204-01 FRONT SUSPENSION > FRONT WHEEL
BEARING’.
*Before each new bolt is installed, make sure the thread within the hub/ bearing housing is clear of debris.
(Ref 000345924)
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