Everything You Need to Know About the Haldex All-Wheel Drive System

Haldex is the standard intelligent all-wheel drive system found on a variety of Volkswagen Automotive Group models, but is most associated with current-generation cars using VW's MQB platform. The current, fifth-generation Haldex system is designed to be the least complex yet, featuring the fewest number of components to make maintenance as simple as possible.

Volkswagen/Audi Vehicles that Use the Haldex System:

• Audi A3 8V 2014-PRESENT 1.8 TFSI 
• Audi A3 8V 2014-PRESENT 2.0 TFSI 
• Audi S3 8V 2015-Current 2.0T 
• Audi TT MK3 2016-Current 2.0T 
• Audi TTS MK3 2016-Current 2.0T 
• Audi MK2 TTRS 2009-2014 2.5T
•  Audi RS3 2017-Current 2.5 Turbo
•  Volkswagen 2018-Current Tiguan MQB 2.0L Turbo 
• Volkswagen Atlas 2018 - Current 2.0t 
• Volkswagen Atlas 2018 - Current 3.6L VR6 
• Volkswagen MK7 Golf Alltrack 2017-Present 1.8 Turbo 
• Volkswagen MK7 Golf R 2015-2017 2.0 Turbo
•  Volkswagen MK7 Golf Wagon 2015-Present 1.8T TSI 
• Volkswagen MK7.5 Facelift Golf-R 2018-Present 2.0L Turbo

Common Problems with Generation 5 Haldex AWD Systems:

• 131599 – All Wheel Drive Clutch – U0114 00 [009] – No Communication (typically ECU fault)
• 131599 – Control Module for All Wheel Drive Clutch – C1113 07 Intermittent error (typically ECU fault)
• 16670 – All-Wheel Drive – C1113 07 [008] – Mechanical Failure (typically pump type fault)
• 16671 – Pump for Haldex Clutch – C1112 04 [008] Internal System Fault (typically pump type fault)
• 16671 – Haldex clutch pump Faulty – C1112 04 passive/sporadic (typically pump type fault)
• 16668 – Pump for Haldex Clutch C1112 07 [008] – Mechanical Failure Intermittent (typically pump type fault)
• C111307 – Mechanical Malfunction – Passive / Sporadic (typically blocked pump, clean out and relearn)

(from Haldex UK)

How to Maintain your Haldex-equipped Volkswagen Product:

Volkswagen/Audi recommends servicing the Haldex all-wheel drive system every 30,000 miles. 

---Parts/Tools Needed---

• MK7 Haldex Service Kit (w Tool)                                                                                                  
• Haldex Fluid Pump Tool                                                                                                                        
• Haldex Pump                                                                                                                              
• Haldex Pump Seal Kit                                                                                                                 
• Haldex Fluid                                                                                                                                
• Haldex Fill Plug                                                                                                                           
• Haldex Drain Plug

Video Tutorial: How to Perform an AWD MK7 Haldex Service:

Helpful Links and Related Tutorials:

• How Haldex (AWD) All Wheel Drive Works -VIDEO                                                                  
• History of the Haldex AWD System  -VIDEO                                                                                
• How to Service an AWD Haldex Audi TT/ Mk4 R32 -VIDEO                                                      
• Askdap Episode 78 | Haldex Tuning and Metal Shavings in my Engine -VIDEO

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