ServiceFocus Powertrain - FWD/RWD

Differential Driveshaft Performs three functions: Transmits power from the A transaxle is a differential to the . and differential combined into one unit, used in front-wheel drive vehicles. different speeds when cornering.

FRONT-WHEEL DRIVE

Engine Driveshaft Transaxle

Differential Transaxle

REAR-WHEEL DRIVE Engine Driveshaft Differential Engine Transmission

Differential

Tire Propeller Shaft Driveshaft Driveshaft Engine Propeller Shaft Transmission REAR-WHEEL DRIVE

Transmission Clutch Propeller Shaft Uses gears to transmit power from the ( only) On front engine rear-wheel engine to the drive . Selecting The clutch either transmits or drive vehicles, the propeller FWD/AWD different gears changes the amount isolates the power from the shaft transmits power from the of power and transmitted. engine to the drive wheels. transmission to the differential. System Electrical

®Lexus 2012 ServiceFocus Powertrain 4WD/AWD

Differentials Driveshafts Transaxle Perform three functions: Transmit power from the A transaxle is a transmission and differential differential to the wheel. combined into one unit, used in front-wheel of the driving power. drive and some all-wheel-drive vehicles. different speeds when cornering. Engine Driveshaft

ALL-WHEEL DRIVE Rear Propeller Shaft Differential Steady Driving * AWD/FOUR-WHEEL DRIVE Straight-line Acceleration

Torque distribution to rear wheels

Transmission Propeller Shaft Uses gears to transmit power Receives power from the transmission On front engine rear-wheel from the engine to the drive and sends it to both the front and rear or all-wheel-drive/four-wheel-drive wheels. Selecting different . Some models have driver selectable vehicles, the propeller shaft transmits gears changes the amount 2WD/4WD modes, some are full time 4WD power from the transmission of power and torque transmitted. and others are controlled automatically (AWD). to the rear differential.

* Driven wheels will very by model.

®Lexus 2012 SERVICEFOCUS Transaxle Automatic ServiceAutomatic TransaxleFocus Automatic Transaxle

4WD/AWD Transmits and multiplies torque from the engine using transmission fluid as the medium. Planetary Gears Gear shifting is performed by combinations of the input gear, output gear and the Torque Converter Planetarylocking Gears gear. Torque ConverterTurbine Runner Stator Gear shifting is performed by Transmits and multipliesConverter torque Pump Case combinations of the input gear, from Impellerthe engine using transmission output gear and the Lock-up Torque f luid as the medium.Clutch Converter locking gear. Transmission AUTOMATIC TRANSAXLE Input Shaft TRANSAXLE

Planetary Gear Set MANUAL

Pinion Shaft Sun Gear Ring Gear

Carrier Pinion Gear Differential Sun Gear Ring Gear Carrier Performs three functions: of the driving power. Transmission Fluid Differential Pinion Gear Performs three functions: Transmission f luid is an integral part t Changes the direction of the of your automatic transaxle function. driving power t Final geardifferent reduction speeds when cornering. Check with your Service Advisor for t Allows drive wheels to rotate at recommended service intervals for different speeds. your Lexus vehicle.

®Toyota Canada Inc. 02/05

®Lexus 2012 ServiceFocus SERVICEManual Transaxle FOCUS Manual Transaxle Transaxle Manual

3rd 3rd& 4th & 4thGears Gears UsedUsed for cruisingat normal below driving highway speed. speeds. Input Shaft System Transmits the power from the Brake engineInput Shaft to the transmission Transmits the power from the 5th Gear () viaengine the toclutch the transmission. via 5th Gear the clutch. UsedUsed when when driving driving at at highwayhigh speeds.speeds to maximize Output Shaft fuel economy. Clutch Disc Transmits power from the Synchromesh Mechanism engine to the transmission. Clutch Key Speed Gear Hub Sleeve Clutch Disc MANUAL TRANSAXLE 1st1st && 2nd2nd Differential GearsGears High torque Highgears, torque used gears,for starting used for TRANSAXLE AUTOMATIC Cone Slot off and Synchronizer starting off and Shifting Key accelerating. Clutch Cover Flywheel Ring accelerating. Clutch Hub Synchronizer Ring

Synchromesh Mechanism Flywheel Synchronizes the rotational speed Clutch Cover Flywheel of the gears when they are being A weightspring fixed makes to the crankshaftThe inertia rotate the clutch cover changed for smooth, easy shifts. more evenly and the engineprovided run by more the forces the clutch flywheel’s weight discsmoothly against the. makes the Synchromesh Mechanism flywheel to transmit crankshaft rotate Synchronizes the rotational Clutch Disc power from the more evenly and speed of the gears when they Transmits power from the engine to the the engine run are being changed. engine to the transmission. transmission. more smoothly.

®Toyota Canada Inc. 02/05 ®Lexus 2012 ProductFocus Manufacturer’s Genuine Remanufactured Parts

What are they?

Brake Calipers using Manufacturer’s Genuine components. Manufacturer’s Genuine Quality. giving you the perfect f it and uncompromised performance – guaranteed.

Why use them?

Parts parts offers signif icant cost savings, without

Remanufactured Remanufactured a loss of performance. our impact on the environment.

kilometre restriction. Starter rebuilders typically repair or replace only the broken, worn or damaged components. new Manufacturer’s Genuine parts, regardless of their condition. specif ications are also replaced with new parts. appropriate, the latest design enhancements in Lexus technology and engineering are incorporated. Alternator

®Lexus 2012 ProductFocus Manufacturer’s Genuine Remanufactured Parts

Key Benef its

and measured to exacting Lexus quality standards. CV Shaft repainted for a like-new appearance and corrosion protection. stringent performance tests to ensure like-new performance and Manufacturer’s Genuine Quality. Manufacturer’s Genuine Parts. Rack

Lexus Remanufactured Parts

The following are currently available for most model applications: Remanufactured

Parts Inserts

Wiper A/C Compressor

®Lexus 2012