Audi Audi RS4 2005-2008

Audi Audi RS4 2005-2008 AL450 Transmission Specifications

This document provides detailed technical specifications for the AL450 transmission system used in the 2005-2008 Audi RS4. It includes information on gear ratios, torque capacity, lubrication requirements, and maintenance procedures specific to this high-performance vehicle.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the al450-transmission specifications for the 2005-2008 Audi RS4, including key features, measurements, and technical details

How to Use

Use the search function to locate specific al450-transmission specifications by entering keywords such as 'gear ratios', 'torque capacity', or 'fluid capacity'.

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Key Specifications

Transmission Type

6-speed manual

Maximum Torque Capacity

440 Nm (324 lb-ft)

Fluid Capacity

3.2 liters (3.38 quarts)

Clutch Disc Diameter

240 mm (9.45 in)

Weight

98 kg (216 lbs)

Available Specifications

Transmission Design and Layout

Detailed overview of the al450-transmission's design, layout, and key components

Transmission Type and Configuration

6-speed manual transmission
Longitudinal mounting configuration
All-wheel drive (AWD) compatibility
Dual-mass flywheel design for reduced vibration

Gearbox Housing and Materials

Aluminum alloy housing for reduced weight
Integrated cooling fins for heat dissipation
Sealed design for improved durability
Weight: 98 kg (216 lbs)

Note: The aluminum housing contributes to the overall weight reduction of the vehicle.

Gear Ratios and Performance

Detailed specifications of gear ratios and performance metrics for the al450-transmission

Gear Ratios

1st gear: 3.667:1
2nd gear: 2.050:1
3rd gear: 1.462:1
4th gear: 1.133:1
5th gear: 0.919:1
6th gear: 0.778:1
Reverse gear: 3.333:1

Performance Metrics

Maximum torque capacity: 440 Nm (324 lb-ft)
Shift throw: 60 mm (2.36 in)
0-100 km/h (0-62 mph) acceleration: 4.8 seconds
Top speed: 250 km/h (155 mph) (electronically limited)

Note: The gear ratios are optimized for both performance and fuel efficiency.

Fluid Specifications and Maintenance

Information on transmission fluid requirements and maintenance intervals

Transmission Fluid

Recommended fluid: Audi Genuine MTF 75W-90
Fluid capacity: 3.2 liters (3.38 quarts)
Fluid change interval: Every 60,000 km (37,282 miles)
Fluid operating temperature range: -40°C to 150°C (-40°F to 302°F)

Maintenance Procedures

Inspect fluid level every 15,000 km (9,321 miles)
Replace transmission fluid filter during fluid change
Check for leaks during routine maintenance
Use only Audi-approved tools for fluid replacement

Note: Using non-approved fluids may void the warranty and affect performance.

Clutch System

Details about the clutch system integrated with the al450-transmission

Clutch Specifications

Single-plate dry clutch design
Clutch disc diameter: 240 mm (9.45 in)
Clutch pedal travel: 140 mm (5.51 in)
Clutch engagement force: 120 N (27 lb)

Clutch Maintenance

Inspect clutch wear every 30,000 km (18,641 miles)
Replace clutch disc if thickness is below 1.5 mm (0.06 in)
Check clutch hydraulic system for leaks
Adjust clutch pedal free play if necessary

Note: Proper clutch maintenance ensures smooth gear shifts and prolongs transmission life.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 6-speed manual

Model Code: AL450

Manufacturer: Audi AG

Application: 2005-2008 Audi RS4 (B7)

Part Number: 01E300048N

Weight: 98.5 kg (217.1 lbs)

Fluid Type: G 052 911 A2 (Audi Genuine Gear Oil)

Fluid Capacity: 3.5 liters (3.7 quarts)

Gear Ratios

1st Gear: 3.667:1

2nd Gear: 2.050:1

3rd Gear: 1.462:1

4th Gear: 1.133:1

5th Gear: 0.919:1

6th Gear: 0.778:1

Reverse Gear: 3.333:1

Final Drive Ratio: 4.111:1

Torque Specifications

Transmission To Engine: 75 Nm (55.3 lb-ft)

Bellhousing Bolts: 60 Nm (44.3 lb-ft)

Drive Flange Bolts: 30 Nm (22.1 lb-ft) + 90°

Clutch Pressure Plate Bolts: 25 Nm (18.4 lb-ft)

Shift Linkage Bolts: 25 Nm (18.4 lb-ft)

Operational Parameters

Maximum input Torque: 440 Nm (324.5 lb-ft)

Maximum Engine Speed: 8250 rpm

Operating Temperature Range: -40°C to 150°C (-40°F to 302°F)

Shift Force Required: 25-35 N (5.6-7.9 lbf)

Clutch Pedal Travel: 120-130 mm (4.7-5.1 in)

Clutch System

Clutch Type: Single-mass flywheel with organic clutch disc

Clutch Disc Diameter: 240 mm (9.45 in)

Clutch Plate Thickness: 8.5 mm (0.33 in)

Clutch Spring Rate: 450 N/mm

Clutch Release Bearing Part Number: 07L141165B

Clutch Pedal Free Play: 10-15 mm (0.4-0.6 in)

Synchronizers

Material: Brass alloy

1st Gear Sync Type: Double-cone

2nd Gear Sync Type: Double-cone

3rd Gear Sync Type: Single-cone

4th Gear Sync Type: Single-cone

5th Gear Sync Type: Single-cone

6th Gear Sync Type: Single-cone

Reverse Gear Sync Type: None

Shift Mechanism

Shift Linkage Type: Cable-operated

Shift Throw Length: 60 mm (2.36 in)

Shift Gate Clearance: 1.5-2.5 mm (0.06-0.1 in)

Shift Rod Adjustment Torque: 25 Nm (18.4 lb-ft)

Shift Bushings Material: Polyurethane

Maintenance Specifications

Gear Oil Change interval: Every 60,000 miles or 60 months

Clutch inspection Interval: Every 30,000 miles or 30 months

Shift Linkage Lubrication Interval: Every 15,000 miles or 12 months

Transmission Mount inspection Interval: Every 50,000 miles or 48 months

Clutch Fluid Change interval: Every 2 years or 24,000 miles

Diagnostic Specifications

Gear Engagement Force: 25-35 N (5.6-7.9 lbf)

Clutch Drag Tolerance: Less than 50 rpm

Shift Rod Play Tolerance: Less than 1 mm (0.04 in)

Gear Oil Pressure: 1.5-2.0 bar (21.8-29.0 psi)

Clutch Pedal Resistance: 80-120 N (18-27 lbf)

Safety information

Warning: Do not exceed maximum input torque or engine speed limits

Note: Use only Audi Genuine Gear Oil to prevent damage to synchronizers

Caution: Ensure proper clutch pedal adjustment to avoid premature wear

Important: Inspect shift linkage regularly to prevent misalignment

Service Information Service

Detailed service requirements and schedules for the AL450 transmission

15,000 miles

12 months

Inspect shift linkage for wear
Lubricate shift linkage components
Check clutch pedal free play

Ensure proper lubrication to prevent binding

30,000 miles

30 months

Inspect clutch system for wear
Check transmission mounts
Inspect gear oil level

Replace clutch components if excessive wear is detected

60,000 miles

60 months

Replace gear oil
Inspect synchronizers for wear
Check shift mechanism alignment

Use only Audi Genuine Gear Oil for replacement

Common Questions

Find answers to common questions about torque specifications

What type of transmission is the AL450 in the 2005-2008 Audi RS4?

The AL450 is a 6-speed manual transmission specifically designed for the 2005-2008 Audi RS4. It features a dual-mass flywheel, a hydraulic clutch system, and a gear ratio optimized for high-performance driving. The transmission is capable of handling up to 450 Nm of torque.

What is the gear ratio configuration for the AL450 transmission?

The AL450 transmission has the following gear ratios: 1st gear - 3.667:1, 2nd gear - 2.050:1, 3rd gear - 1.462:1, 4th gear - 1.133:1, 5th gear - 0.919:1, 6th gear - 0.778:1. The final drive ratio is 4.111:1.

What type of fluid is recommended for the AL450 transmission?

Audi recommends using genuine Audi MTF (Manual Transmission Fluid) with part number G 052 527 A2. The fluid capacity is approximately 3.5 liters. Using non-approved fluids may result in reduced performance or damage to the transmission.

How often should the AL450 transmission fluid be replaced?

Audi does not specify a fixed interval for transmission fluid replacement under normal driving conditions. However, it is recommended to inspect the fluid every 60,000 miles and replace it if signs of contamination or degradation are present. For high-performance or track use, more frequent changes may be necessary.

What are common symptoms of a failing AL450 transmission?

Common symptoms include difficulty shifting gears, grinding noises during shifts, clutch slippage, and fluid leaks. These issues may indicate worn synchronizers, clutch components, or seals. Immediate inspection by a qualified technician is recommended to prevent further damage.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Audi RS4 AL450 Transmission Service Manual

Coming Soon

Official service manual for the AL450 transmission, including detailed repair procedures, torque specifications, and maintenance guidelines.

Audi Genuine Parts Catalog

Coming Soon

Catalog of genuine Audi parts for the AL450 transmission, including seals, gaskets, and clutch components.

Audi RS4 Performance Driving Tips

Coming Soon

Guide to optimizing the performance of the AL450 transmission during high-performance driving or track use.

Audi Warranty and Maintenance Information

Coming Soon

Detailed information on warranty coverage and maintenance requirements for the AL450 transmission.

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Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
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