Vibration at Idle

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Vibration at Idle

Condition	Action
DEFINITION: Engine idle vibration
Low ATF level TCC solenoid valve inoperative Drive/flex plate inoperative Transmission is improperly assembled Engine output low Lock-up clutch piston inoperative ATF pump worn or binding Lock-up shift valve inoperative	Set the base idle RPM in gear, to the specified idle speed. If the condition persists, adjust the engine and transmission mounts. Refer to Engine Mount Inspection in Engine Mechanical - 3.5L (L66) and Transmission Rear Mount Replacement . Inspect the ATF level and the ATF cooler lines for leakage and loose connections. Flush the ATF cooler lines, if necessary. Perform an engine output/diagnostic test to determine if the engine is operating to specification

Condition

Action

DEFINITION: Engine idle vibration

Low ATF level
TCC solenoid valve inoperative
Drive/flex plate inoperative
Transmission is improperly assembled
Engine output low
Lock-up clutch piston inoperative
ATF pump worn or binding
Lock-up shift valve inoperative

Set the base idle RPM in gear, to the specified idle speed. If the condition persists, adjust the engine and transmission mounts. Refer to Engine Mount Inspection in Engine Mechanical - 3.5L (L66) and Transmission Rear Mount Replacement .
Inspect the ATF level and the ATF cooler lines for leakage and loose connections. Flush the ATF cooler lines, if necessary.
Perform an engine output/diagnostic test to determine if the engine is operating to specification