Suzuki XL7 2007 Service Manual page 1594

5A-184 Automatic Transmission:
Hum or Rattle Noise at Idle
Condition
DEFINITION: Hum or rattle noise at idle.
Oil cooler pipes
Base Engine
Whine/Growl Noise That Changes with Vehicle Speed
Condition
DEFINITION: whine or growl noise that changes with vehicle speed.
• Lack of automatic transmission
fluid (ATF)
• Burnt ATF
• Incorrect ATF
• ATF contaminated with engine
coolant
Automatic Transmission Fluid Leaks
Condition
Automatic transmission fluid (ATF) leaks from automatic transmission vent assembly (815)
Transmission unit overfilled with
automatic transmission fluid (ATF).
ATF fill level is high due to engine
coolant contamination
• Automatic transmission vent
assembly (815) is not installed,
damaged or restricted
• Vent hose (814) not secure, not
installed, restricted or damaged
• Vent pipe (812) not secure, not
installed, restricted or damaged
• Vent hose clips (813) not
installed
Fluid leak from between the engine and transmission assembly area
• Engine rear main seal concern
• Engine oil pan and or gasket
concern
• Engine intake manifold or gasket
concern
• Engine valve cover concern
• Transmission torque converter
(1) weld or seam issue
• Transmission fluid pump body
seal (200) worn and or damaged
or not installed
• Transmission fluid pump O-ring
seal (206) not installed or
damaged during installation
Torque converter housing assembly (10)
Front differential carrier seal
assembly (800)
Front differential carrier seal (800)
to torque converter housing (10)
internal bore concern
Manual shaft detent lever assembly (710) to automatic transmission case assembly (17)
Inspect for proper routing and/or signs of grounding out.
Inspect the engine for any base level concerns. Repair as necessary.
Perform an ATF fluid inspection and correct as necessary. Refer to
"Transmission Fluid Check".
Perform a fluid fill level inspection and if needed, drain ATF as needed to obtain
the correct fill level.
ATF level is high due to contamination resulting from mixing with engine
coolant. Verify that the ATF is the correct color and does not smell burnt. If ATF
is contaminated with engine coolant refer to contaminated ATF concern and
correct as needed.
Inspect and correct as needed. Verify that the unit has the correct ATF level
after repair(s) are completed.
Add fluorescent oil dye to both the engine oil and the ATF. Inspect with a leak
detection lamp - black light - to aid in pinpointing the exact area of concern.
Correct as needed.
Inspect the front differential carrier seal assembly (800) for not being installed,
worn and or damaged. Correct as needed.
Inspect the front differential carrier seal (800) to torque converter housing (10)
internal bore for signs of physical damage and or oversize bore. If unable to
repair, replace the torque converter housing assembly (801).
Action
Action
Action