Lincoln Aviator: Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - Preliminary Inspection
Overview
The
preliminary inspection is part of Automatic Transmission Diagnosis.
The preliminary inspection is used to find obvious causes of
transmission concerns.
To
correctly diagnose a concern, first understand the customer concern or
condition. Customer contact may be required to understand the
conditions, including when the concern occurs.
Underhood Inspection
-
Look for missing or damaged air induction components.
-
Inspect the wire harness for proper routing, especially near
the rear of the cylinder heads. Make sure the harness is not chafed or
pinched.
-
Inspect transmission fluid cooler for proper mounting and check for any missing air deflectors.
Under Vehicle Inspection
-
With the vehicle in NEUTRAL, position it on a hoist.
REFER to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
-
Place the selector lever in D.
-
Inspect the transmission case for evidence of leaks.
-
Inspect the transmission fluid cooler lines for proper routing, pinches, or kinks.
-
Inspect the transmission fluid cooler mounting and check for any missing air deflectors.
-
Adjust the selector lever cable. (if equipped)
Transmission Fluid Inspection
Transmission
fluid condition can provide many clues to the nature of the
transmission concern. Proper transmission fluid level can only be
determined with the transmission fluid within a specified temperature
range. It is not necessary to verify exact transmission fluid level at
this time. If the transmission fluid is below operating temperature, it
is expected to be low on the transmission fluid level indicator.
Transmission fluid temperatures below
30.2
°F (
-1
°C) may not show up on a transmission fluid level indicator.
-
With the vehicle in NEUTRAL, position it on a hoist.
REFER to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
-
Remove the transmission fluid fill plug or the transmission fluid level indicator.
-
Allow the transmission fluid to drip onto a facial tissue or white sheet of paper.
-
Examine the stain. Under normal conditions, the fluid color
will darken and may develop an odor. Color and odor should not be used
to determine the condition of the fluid or transmission.
-
Trace amounts of black or shiny metallic particles may
be present from normal wear and operation. Presences of a few particles
in the sample do not necessarily indicate a transmission concern.
-
Large quantities of black particles are typically burnt friction material.
-
Large quantities of small to medium sized shiny metallic particles may indicate excessive hard part wear.
-
Foamy pink color indicates either water or engine coolant in the transmission.
Water in Transmission Fluid
To
correctly repair an automatic transmission that has had water or
coolant introduced into the system, completely disassemble, clean, and
replace the following parts:
-
All internal and external seals
-
All friction material
-
Torque converter
-
All parts with bonded seals
-
All solenoids
-
All transmission fluid filters
Prior
to installing the transmission, flush and clean the transmission fluid
cooler(s) and the transmission fluid cooler tubes and hoses.
Overview
The
diagnostic process for each transmission concern will vary depending on
the symptoms and condition of the vehicle. The diagnostic process
below is an efficient method to collect as much data as possible about
the concern before performing a repair or removing the transmission from
the vehicle for teardown and further inspection...
Shift Point Road Test
NOTE:
Always drive the vehicle in a safe manner according to driving conditions and obey all traffic laws.
Upshift Gear Sequence
At times the 10-speed transmission may skip gears when the vehicle starts from a complete stop...
Other information:
Service data recorders in your vehicle are
capable of collecting and storing diagnostic
information about your vehicle. This
potentially includes information about the
performance or status of various systems
and modules in the vehicle, such as engine,
throttle, steering or brake systems...
From Inside Your Vehicle
Press the button on the
instrument
panel to close the luggage
compartment.
With the Remote Control
Press twice within three seconds
to close the luggage compartment.
From Outside Your Vehicle
Press the button inside the liftgate on the
left-hand side...