10 votes
Accepted

What does the green clock sign mean?

There's nothing wrong, that's your cruise control icon, it's lit when you activate cruise control. Cruise control won't do anything until you use the set button so it's not a problem, just turn cruise ...
GdD's user avatar
  • 16.9k
8 votes
Accepted

Water temperature randomly drops while car is in motion (VW Golf Mk6)

It can be: a sticky thermostat Hard to diagnose properly without an independent thermometer, because a lot of modern cars show 90C at the dashboard while the temperature varies between 75C and 125C. ...
fraxinus's user avatar
  • 2,062
7 votes

Battery Positive Post Meltdown

Melting = Heat. Heat in an electrical circuit is caused by resistance. In your case, excessive resistance. If you're replacing batteries, one could guess that you are cleaning the posts and the inside ...
fred_dot_u's user avatar
  • 4,465
7 votes

Water temperature randomly drops while car is in motion (VW Golf Mk6)

I think you can probably boil it down to (no pun intended, lol) a bad thermostat. It sounds as though its just not working as intended. You can pretty much eliminate the ECU as part of the problem, ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
7 votes
Accepted

Golf 7 key stolen, which fuse to remove to disable car key reprogramming?

There is no fuse to remove that will disable immobilizer programming. You can how ever remove the fuse for the obd2 power. That will slow someone down since their tool would no longer be powered and ...
narkeleptk's user avatar
  • 3,780
6 votes
Accepted

Why do I get a "30km/h speed has been exceeded" dashboard message?

Most VW/Audi/Seat cars have a setting for a speed warning, every time you exceed it you get a bleep. It's annoying, but you can turn it off, or simply set it to something high where a warning makes ...
GdD's user avatar
  • 16.9k
5 votes
Accepted

The inner part of the left rear tire is covered with oil

There isn't an oil source that I can think of by the rear tires of a Mk4 Golf, as pointed out in the comments a brake fluid leak seems much more likely. Brake fluid is normally clear, but it could be ...
dlu's user avatar
  • 14.5k
5 votes
Accepted

Do I need any special tools to replace a ball joint that appears to be able 'bolt on'?

Just to integrate the comment of Ben and the answer from Chuck: Most of the time the ball joints are riveted to the suspension arm, then you need to drill the rivets to remove the joint. The top of ...
Martin's user avatar
  • 8,448
5 votes

Electrical problem 2001 VW Golf: intermittent battery failure?

First I would start with disconnecting battery. To verify the connections, then starter unit. Connections may look good to the eye, but the connections are known to cause multiple starting problems. ...
Albin Stroniarz's user avatar
5 votes
Accepted

Any techniques to remove rust from inside fuel tank without removal

Given what you've said, I'm assuming the rust is in the form of small, dry flakes and dirt. Is the tank fully dry, or is there still some fuel or other liquid in there? If it's dry, you might be able ...
Nick C's user avatar
  • 28.7k
5 votes

VW Golf Mk7 TSI Electronic Stabilty Control (ESC) error light on

Believe it or not, the first thing to do is to check all the tire pressures to make certain they are within spec and equal. A low pressure tire will make more revolutions/mile than the other properly ...
SteveRacer's user avatar
  • 12.4k
4 votes

WV Golf IV '98 - Right side blinkers not working on signal

It sounds as though the turn signal switch has gone bad. The contacts inside the switch are probably just worn out. Not sure on your Golf, but I believe these are pretty easy to purchase and to ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes
Accepted

Briny/salty smell from fuel tank?

OK, so the problem was that, due to a faulty fuel gauge sender, I over filled the tank. And since the seal around the top of the 'hatch' had partially disintegrated, well this happened: When parked ...
MeltingDog's user avatar
  • 3,726
4 votes

The inner part of the left rear tire is covered with oil

As others have commented - there aren't engine oil lines or a reservoir that contains engine oil near the rear of the car so you can almost rule out your own engine oil as the source. To verify, you ...
master's user avatar
  • 141
4 votes
Accepted

What kind of spark plug should I choose for LPG conversion?

Platinum is going to work best in this application, because platinum will stand up to the rigors of the LPG better. Iridium would work even better. There are several other types which would work even ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes
Accepted

Idle dipping and rising when headlights are on - not Idle Air Control Valve

Check that your alternator belt is tight and in good condition. Also check that your battery is fully charged and in good health. There is a real possibility that the fault is being cause by the ...
Steve Matthews's user avatar
4 votes

What could be causing fuel pumps to die?

There are a few causes for repeated fuel pump failure. A dirty tank with sediment in it will clog the "in tank" filter (also known as the sock). This causes the pump to work harder and hotter ...
mikes's user avatar
  • 19.9k
4 votes

What could be causing fuel pumps to die?

One more thing to check is the voltage at the pump. If it is low, then the pump will draw more current, this in turn will cause more heating and heat is the mortal enemy of all things electrical. ...
dlu's user avatar
  • 14.5k
4 votes

Do I need any special tools to replace a ball joint that appears to be able 'bolt on'?

Looking from the picture, the balljoint is held in place by a pinch bolt. All you will need is a hammer, chisel(screwdriver), and some spray lubricant. I would also use thread-locker on the bolts that ...
Chuck's user avatar
  • 149
4 votes

Car temperature drops to a little less than 1/4 at highway speeds. Any reason to be concerned?

I'd lean toward the thermostat. It sounds like it may be getting warmed up and opening up in the city driving, then staying stuck open once you're on the highway. Depending on conditions (primarily ...
kyle_engineer's user avatar
4 votes
Accepted

Can 2 gearboxes for the same engine but different codes be compatible?

The gearbox will physically bolt to the engine and the car. The difference comes to the gear ratios, gear linkage and driveshaft flanges. I don't know about your specific codes but if it is coming ...
Newbie Noob's user avatar
  • 2,781
4 votes

Torn out nut insert on hatchback lift strut anchor

I see the following possibilities: Insert a rivet nut. That is a simple fix but there is a slight possibility that it won't hold. Ask a bodyshop to weld the ball joint, ideally with an small ...
Martin's user avatar
  • 8,448
4 votes

How could a battery issue lead failures in ABS, Cruise control, stop-start, etc?

Some electronics are very susceptible to power differences. Most need continuous power in the ~12-14vdc range to function correctly. The starter, on the other hand, will work at lower voltage levels, ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes
Accepted

Accessing the 1st and 2nd cylinder ignition coils in VW Golf MK5 (55 kw)

Take the white piece out by gently wiggling it. Should come out fairly easily (with some resistance). Then, grab the entire filler assembly and turn it counterclockwise. It has two tabs on it which ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

Oil light is always on (2006 golf 1,4i)

There are only a few possibilities: Oil pressure is actually low. The light is overloaded with meanings and it is trying to tell you something else. There is a faulty component. There is a fault ...
dlu's user avatar
  • 14.5k
3 votes
Accepted

Sudden loss of some electrics whilst driving

Sounds like a dead alternator. I had that same issue years ago with an '89 VW fox. The reason that everything was slowly shutting down is because you driving on the battery alone. As the battery was ...
Old_Fossil's user avatar
  • 3,962
3 votes
Accepted

Golf MK4 Window Motor Click and Window wont open

Thank you guys for your advices. Yesterday i bought 2 regulators for the 2 doors. Now it works perfectly. 2 days ago the driver's door stuck in central locking and the window motors circuit doesnt ...
edisonmecaj's user avatar
3 votes
Accepted

Has wrong glow plug damaged piston?

If there was any significant contact between the glow plug and the piston, I think you'd know it right away (horrible noise followed by horrible quiet). I'd double-check the glow plug wiring and ...
TMN's user avatar
  • 2,311
3 votes
Accepted

Engine cuts out VW Golf Mk1 1989

I got this reply from workshop: "When you turn the distributor manually, it sticks at a certain point. It seems that the shaft of the distributor itself is bent." Luckily these car parts are so ...
AquaAlex's user avatar
  • 191
3 votes

VW Golf fuel filler cap will not unlock

Locking and unlocking the car while applying a little pressure on the flap worked for me 👍. Repeat if it doesn't work the first time.
Peter's user avatar
  • 31

Only top scored, non community-wiki answers of a minimum length are eligible