Buick Encore: Diagnostic information and procedures
SYMPTOMS - TRANSFER CASE
Strategy Based Diagnostics
Review the system operations in order to familiarize yourself with the system
functions. Refer to Transfer
Case Disassembled View, Transfer Case Description and Operation, and Rear Drive
Axle Description and
Operation , . All diagnosis on a vehicle should follow a logical process.
Strategy based diagnostics is a uniform
approach for repairing all systems. The diagnostic flow may always be used in
order to resolve a system
condition. The diagnostic flow is the place to start when repairs are necessary.
For a detailed explanation, refer
to Strategy Based Diagnosis .
Visual/Physical Inspection
- Inspect for aftermarket devices, which could affect the operation of the
vehicle. Refer to Checking
Aftermarket Accessories .
- Inspect the easily accessible or visible system components for obvious
damage or conditions, which could
cause the symptom.
- Inspect for the correct lubricant levels and the proper viscosities.
- Verify the exact operating conditions under which the concern exists.
Note factors such as vehicle speed,
road conditions, ambient temperature, and other specifics.
- Compare the driving characteristics or sounds, if applicable, to a known
good vehicle and ensure you are
not trying to correct a normal condition.
Intermittent
Test the vehicle under the same conditions that the customer reported in
order to verify the system is operating
properly.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to
diagnose the symptom:
- Diagnostic System Check - Vehicle .
- Noisy in Drive.
- Noisy When Coasting.
- Intermittent Noise.
- Constant Noise.
- Transfer Case Leak Diagnosis.
NOISY IN DRIVE
Noisy in Drive
.jpg)
.jpg)
NOISY WHEN COASTING
Noisy When Coasting
.jpg)
.jpg)
INTERMITTENT NOISE
Intermittent Noise
.jpg)
CONSTANT NOISE
Constant Noise
.jpg)
.jpg)
TRANSFER CASE LEAK DIAGNOSIS
Transfer Case Leak Diagnosis
.jpg)
.jpg)
.jpg)
READ NEXT:
Transfer case fluid replacement
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Place a suitable drain pan under the transfer case.
Fig. 2: Transfer
Transfer case adapter disassemble (MHB)
Fig. 40: Transfer Case Adapter (MHB)
Transfer Case Adapter Disassemble (MHB)
TRANSFER CASE ADAPTER DISASSEMBLE (M7Y, MZ4)
Fig. 41: Transfer Case Adapter
Transfer case identification
Fig. 71: Transfer Case Primary Identification Label
The transfer case primary identification label (1) is located on the rear
extension housing. The transfer case
secon
SEE MORE:
This article is generic in nature and all information does not apply to all
vehicles including those without a
liquid cooling system. For vehicle specific information, see the appropriate
articles in the ENGINE category.
DESCRIPTION
The liquid cooling system consists of a radiator, water pump, the
Front View Camera Module Replacement
If the Front View Camera Module needs to be replaced, the following
procedures must be performed:
Connect a scan tool to the vehicle and access Service Programming System
(SPS).
Perform the SPS function Front View Camera Module - Programming and
follow th