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VW Transporter: EGR valve faults, electric windows not working, and other problems

A popular choice for commercial and private use, the Volkswagen Transporter is a well-respected van that has been a staple of the automotive industry for decades. However, like any vehicle, it's not immune to faults, malfunctions, and problems. From engine to electrical issues, these problems can cause owners considerable inconvenience and expense. Let's take a look at some of the most common ones.

EGR valve

The EGR (Exhaust Gas Recirculation) valve has been reported to malfunction. When the VW Transporter EGR valve becomes clogged with carbon deposits, it can lead to reduced engine performance, increased emissions, and poor fuel economy. You may also notice rough idling, engine misfiring, an illuminated check engine light, and sometimes the engine may even stall or fail to start at all. Make sure to check and regularly clean your EGR valve. It is also important to note that turbo failure can be caused by a faulty EGR.

vw transporter egr valve problems

Auto gearbox and transmission

A commonly reported problem is a lack of response or delayed engagement when changing gears, which can lead to jerky acceleration or deceleration. Another is VW Transporter transmission fluid leaking, which can cause a burning smell and leave puddles of fluid under the vehicle. In some cases, the transmission can also slip out of gear, making it difficult to accelerate or maintain speed. These issues can be caused by several factors, including worn clutch plates, faulty solenoids, or damaged torque converters.

Central locking system and rear door lock

The VW Transporter often has problems with the rear door latch, which can cause a variety of issues. These include the rear door not locking or unlocking properly due to the broken latch or faulty locking mechanism. In addition, the rear door handle can become loose or difficult to operate, making it problematic to open or close the door. In some cases, the locking mechanism may fail completely, leaving the tailgate unlocked and posing a safety risk.

Transporter owners have reported that the central locking system is not working correctly, which can be caused by a faulty control module, damaged wiring, or a dead battery in the remote control key fob. Another fault is unpredictable central locking unlocking or locking, often caused by a malfunctioning actuator or door sensor. In addition, unusual clicking or buzzing noises from the central locking system may indicate an underlying problem with the locking mechanism.

If the electric windows do not work, there are several possible causes. A typical fault is a blown fuse, which can happen if there is a power surge or if the window motor draws too much current. A further potential cause is a faulty window switch, which can prevent the windows from moving up or down and you may need VW Transporter accessories and parts to replace the switch. Additionally, the window motor or regulator may be damaged or worn out, which can lead to the windows to stop working altogether. To diagnose the problem with your VW Transporter's electric windows you need to use a multimeter to test the power supply to the window motor and switch.

Other common problems

Many van owners have reported issues with their vehicles not starting in the morning. When they have had their car checked by a mechanic, the problem has often been with the tandem fuel pump or injection seals. An unusual trick is to park the car on a slope (downhill), which seems to solve the problem – at least temporarily.

The drive shaft and power steering have also caused transporter owners a few headaches. Therefore it is essential that you keep to the recommended maintenance intervals and have your vehicle checked out to see what needs replacing – or in the case of fluids – what needs to be topped up, for example, with VW Transporter engine oil.

Useful videos on this topic:

How to change oil filter and engine oil on VW T4 TRANSPORTER

How to change air filter on VW T4 TRANSPORTER

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Parts Details
  • Oil Viscosity Classification SAE: 5W-30
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LIQUI MOLY Special Tec LL 1193 Engine oil 5W-30, 5l, Synthetic Oil
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VALEO ORIGINAL PART 700435 EGR Module with EGR cooler, with gaskets/seals, with EGR valve, with vacuum bypass, without clamp
Parts Details
  • Number of pins: 5
  • Supplementary Article / Supplementary Info Info 2: with EGR valve, with vacuum bypass, without clamp
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  • Product line: ORIGINAL PART
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VALEO EGR Module
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LIQUI MOLY Top Tec 4600 3756 Engine oil 5W-30, 5l
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  • Oil Viscosity Classification SAE: 5W-30
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LIQUI MOLY Engine oil
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LIQUI MOLY Leichtlauf 1310 Engine oil 10W-40, 5l, Part Synthetic Oil
Parts Details
  • Oil Viscosity Classification SAE: 10W-40
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  • Recommendations: MB 229.3, MB 229.1, VW 501 01, VW 505 00, PSA B71 2294, Renault RN0700, Renault RN0710
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LIQUI MOLY Engine oil
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LIQUI MOLY Touring High Tech 1096 Engine oil 15W-40, 5l, Mineral Oil
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  • Oil Viscosity Classification SAE: 15W-40
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LIQUI MOLY Engine oil
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LIQUI MOLY Leichtlauf Super 1300 Engine oil 10W-40, 1l, Part Synthetic Oil
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  • Oil Viscosity Classification SAE: 10W-40
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LIQUI MOLY Engine oil
Article number: 1300
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  • Oil Viscosity Classification SAE: 10W-40
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LIQUI MOLY Engine oil
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VAICO V60-0118 Automatic transmission fluid ATF DSG, 1l, yellow
Parts Details
  • Oil Viscosity Classification SAE: ATF DSG
  • Recommendations: ­Porsche 000.043.207, ­Renault BOT 450 EDC, ­Fiat 9.55550-MZ6, ­PSA 9734.S2, ­Porsche 000.043.20, Chrysler 68044345EA, ­Mitsubishi Dia Quee, AUDI-VW G 052 529 A2, ­MB 236.21, ­MB 236.25, ­MB 001 989 85 03, ­Ford 1490761, ­Ford 1490763, ­Ford XT-11-QDC, ­AUDI-VW TL 521 82, ­AUDI-VW G 052 182 A, ­BMW DCTF-1, ­BMW FFL-4, ­BMW MTF-5, ­BMW 83 22 2 148 578, ­BMW 82 22 2 148 579, ­Ford WSS-M2C 936-A, ­Ford WSD-M2C00-D2, ­Volvo 1161838, ­Volvo 1161839
  • Recommended change interval [years]: 5
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  • VAICO: Automatic transmission fluid
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VAICO Automatic transmission fluid
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LIQUI MOLY GL4 1020 Manual Transmission Oil Capacity: 1l, 80W
Parts Details
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LIQUI MOLY Top Tec 4200 3706 Engine oil 5W-30, 1l
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LIQUI MOLY Engine oil
Article number: 3706
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FEBI BILSTEIN 29934 Automatic transmission fluid ATF III, 1l, red
Parts Details
  • Oil Viscosity Classification SAE: ATF III
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  • Weight [kg]: 0,949
  • FEBI BILSTEIN: Automatic transmission fluid
  • Item number: 29934
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FEBI BILSTEIN Automatic transmission fluid
Article number: 29934
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£ 11,52
£ 11,52 for 1 litre
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LIQUI MOLY GL4 1030 Manual Transmission Oil Capacity: 1l, 85W-90
Parts Details
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  • Capacity [litre]: 1
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LIQUI MOLY Manual Transmission Oil
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LIQUI MOLY Top Tec ATF 1200 3681 Automatic transmission fluid ATF III, 1l, red
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LIQUI MOLY Automatic transmission fluid
Article number: 3681
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£ 16,73
£ 16,73 for 1 litre
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LIQUI MOLY Hochleistungs GL4+ 4433 Manual Transmission Oil Capacity: 0,5l, 75W-90
Parts Details
  • Packing Type: Bottle
  • Capacity [litre]: 0,5
  • Recommendations: Ford ESD-M2C 175-A, VW 501 50 (G50), ZF TE-ML 08
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LIQUI MOLY Manual Transmission Oil
Article number: 4433
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£ 11,40
£ 22,80 for 1 litre
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