Common Problems with the VW Golf IV

1.8T Upgrade hose for crank case venting BAR-TEK®

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€59.95

A common issue with the Golf IV: faulty power windows

It’s no big deal, but it’s annoying: Early models of the Golf IV are known for faulty power windows. This is due to the plastic clips that hold the window glass in place on the track. These clips can break easily and then jam the mechanism, which is why VW introduced a goodwill policy to address this issue. Often, one of the window regulator’s cables gets tangled and blocks the entire mechanism. If that happens, it makes sense to install a new regulator along with the new cable.

Symptoms of a faulty window regulator:

The window moves upward extremely sluggishly
The window regulator no longer responds at all
Creaking noises when operating the window regulator

Solution: New mechanism

The entire mechanism with all brackets and cables in the door has to be replaced here. The new window regulator then still needs to be initialized.

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3 Years Warranty

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Engine repair guide VW Golf 4 1.8T

Immediate delivery!

All data at a glance

One less source of error

Detailed instructions

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% €52.05 €49.98

Increased oil consumption on the Golf IV

In particular, the 2.0 engine and TDI in the Golf IV are known for increased oil consumption. Some drivers complain about using a staggering one liter every 500 kilometers! The reason for this can be, for example, broken piston rings or thin long-life oil.

Solution: Fresh oil and new piston rings

If switching to high-quality regular oil doesn’t help, it’s worth taking a look at the piston rings. You can find them in our piston accessories.

Low stock levels

Piston ring set for WISECO & JE forged pistons

WISECO

Immediate delivery!

Guaranteed to fit in your car!

Compression ring: 1.00 mm

Detonation ring: 1.20 mm

Oil control ring: 2.80 mm

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€36.96

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Pistonsrings-Kit for Mahle Performance pistons

Mahle

Immediate delivery!

Guaranteed to fit in your car!

for all Mahle Performance forged pistons

Engines with 2.0L displacement

82.50 mm TFSI (2006-2009)

83.00 mm TFSI (2006-2009)

83.50 mm TFSI (2006-2009)

82.50 mm TSI (2010+)

83.00 mm TSI (2010+)

82.50 mm TSI (2010+) V2

83.00 mm TSI (2010+) V2

83.50 mm TSI (2010+) V2

€49.98

universal

Grinding stone for pistons Ring clearance, impact clearance

3 Years Warranty

Grinding stone for pistons Ring clearance, impact clearance

Immediate delivery!

Guaranteed to fit in your car!

Professionelles Werkzeug

erhöhten Ölverbrauch vermeiden

sauber entgraten

€11.50

Defective ignition coils on the Golf IV

Especially on the 1.8T engine, but also on the V5 and V6, you often get a failed ignition coil. Since this is responsible, among other things, for a consistent spark, this common Golf 4 issue usually shows up as power loss and a rough-running engine. If several ignition coils fail, the engine won’t start at all. If only one coil is affected, you’ll notice it as ignition misfires.

Signs of a bad ignition coil:

Misfires
Warning light on
Rough idle
Reduced power
Backfiring
Hard starting

Solution: New ignition coils

If one coil is broken, there’s no way around it – you have to replace all ignition coils. That’s the only way to avoid any negative effects from mixing old and new coils. To keep the problem from coming back, we recommend upgrading straight to high-performance ignition coils. Especially on tuned engines with more power, this upgrade is a must to ensure a stable spark and the required voltage.

1.8T & 2.0 TFSI & TSI High Performance Ignition Coils Blue BAR-TEK ®

3 Years Warranty

1.8T 20V & 2.0 TFSI & TSI High Performance ignition coils blue with ECE approval BAR-TEK®

Immediate delivery!

with ECE approval

better combustion

stronger ignition spark

plug & play

€49.95

Timing chain damage

On the sportiest version of the Golf IV, the 3.2L VR6 engine, there is an increased occurrence of timing chain stretch. If individual teeth are skipped on the sprockets, the valve timing changes accordingly. On the one hand, this can have a negative effect on power and emissions, but most likely it will result in engine damage. That’s why it’s especially important to pay attention to the service intervals and to replace the chain early enough.

Symptoms of a stretched timing chain:

Occasionally rattling and clattering noises when starting cold

Solution: Readjust the chain tensioner, replace the chain

Sometimes readjusting the chain tensioner is enough and the timing chain runs properly again. If this isn’t enough, the timing chain has to be replaced.

3 Years Warranty

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VAG V6 24V & R32 timing chain kit complete

Delivery 5 to 8 days

€299.95

Typical for diesel Golf IV: defective mass air flow sensor

If your engine won’t start, doesn’t run smoothly overall, or keeps stalling, the infamous mass air flow sensor could be the cause. It’s either heavily contaminated or completely defective. TDI engines in particular are affected by this. The mass air flow sensor then sends incorrect data to the ECU, but often no error code is stored.

Signs of a defective MAF sensor:

Loss of power
Engine is hard to start or won’t start at all
Keeps stalling
Rough idle / rough running

Solution: The upgrade MAF

You can try cleaning the mass air flow sensor with brake cleaner. If that doesn’t fix it, the only option is to replace it. With our 1.8T upgrade mass air flow sensor you can handle a larger air mass.

3 Years Warranty

1.8T 20V upgrade Mass air flow sensor BAR-TEK®

Immediate delivery!

für Größere Turbolader Umbauten

Lässt mehr Luftmasse durch

für Umbauten unerlässlich

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€208.30

Transmission damage on the Golf IV

Also a typical Golf IV teething problem (especially on 1.4 and 1.6 with DUU or DUW transmission) is transmission damage, which is caused by the breakage of a rivet that’s too weak. Most of the time you first notice the noises that come with it, or vibrations in the body as well.

Symptoms of a transmission failure:

Sudden noises
Oil leaking
Vibrations in the body
Shifter doesn’t move smoothly

Solution: New gearbox

Here there’s no way around swapping the gearbox either. You can find the needed parts in our shop under gearbox parts.

Typical other Golf IV issues

They don’t necessarily cause a complete engine failure, but they’re still annoying enough – these are the typical problems:

The seats wobble, squeak, and creak
Microswitches in the doors are defective (and because of that the locks don’t work, the alarm goes off, the interior lights don’t work, etc.)
Windows can’t be operated and sometimes sit crooked in the doors
The A/C smells bad

Grab our repair guide for your Golf IV

With our repair guides you get the ultimate step-by-step manual for fixing your engine, packed with graphics, technical data, and detailed descriptions. This lets you tackle the typical problems of your engine safely and efficiently. In the guides you’ll also find all the tools you need, so you really have everything required to get your engine back in shape.

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3 Years Warranty

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