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21 votes
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Should interior panels be held together with cable ties?

Any vehicle worked on by a professional mechanic should be re-assembled properly You have a real mess with the zip tie. Obviously that damage cannot be undone, you can't undrill a hole. It looks as ...
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17 votes
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Should I avoid full throttle when driving with a cold engine?

Yes this is bad for your engine for a multitude of reasons. In fact, it's not good to run your engine at full throttle for extended periods of time unless the engine is designed to take it, whether it'...
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14 votes
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Does wheelspinning damage my car?

The short answer is probably not, but you are creating undue hardship on the internals that will likely lead them to fail earlier than they would otherwise. When you drive your car, you are putting ...
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  • 2,045
14 votes

Should interior panels be held together with cable ties?

As I stated in my comments: They did the damage; they need to fix it (or pay for it to be fixed). This is worse than shoddy craftsmanship. Any reputable shop would not look like this. Their mechanic ...
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13 votes
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Is it safe to overload the roof rails?

Would this be safe? tl;dr: No. It's hard to say exactly how unsafe or how bad the consequences might be. Assuming the rails themselves weigh on the order of 5-10 kg, you're talking about almost ...
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  • 24.3k
12 votes
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Why is there a hissing noise when I open my petrol cap?

Regulations limit the amount of unburnt hydrocarbons that can be released into the atmosphere, therefore fuel tanks on cars now have to be sealed to stop these emissions. The noise you hear is air ...
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  • 20.7k
12 votes
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Does rolling forwards while in reverse gear damage my car?

Absolutely not. There's no issue here. The engine/transmission were not coupled. There was no stress on the transmission. It just was running backwards from what it usually would. Really, it's no big ...
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10 votes
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Is it bad to shift into reverse while still moving forwards?

You say that the gearbox won't be turning, but since the car is moving forward, the gears in the gearbox must be turning. Reverse doesn't usually have a synchromesh, so the gears won't synchronise ...
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9 votes
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What are the implications of driving through flood water when I have a high air intake?

If you really want an intake that will likely survive deep water, you're going to need something more like: However... Is the height of the bottom of the chassis the maximum height I can drive ...
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  • 24.3k
7 votes

Is it safe to overload the roof rails?

Regardless of weight, the advisory height limit of 50 cm will likely be violated if the plan is to carry the two kayaks on their sides. I'd advise against doing so for this reason alone.
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  • 39k
7 votes
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How to remove coolant hose from T piece

Yes, you need to cut them - difficult but possible with sidecutters, they do make special cutters for these, but you can grind them : be very careful where the sparks go : cover everything... For ...
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  • 34.4k
6 votes
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Should I pull up the handbrake as high as it will go when parked?

All you might be doing is putting the cable under more stress than it needs. The cable will stretch over time. This is normal. It will take a long time for the life of the cable to expire. I ...
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  • 538
6 votes
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Wobbly clutch pedal

An "unhappy" amount of movement in the pedal doesn't seem right, especially in a new car. If no one here can give you a definitive answer, and looking at the pedal mount and linkage under the dash isn'...
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  • 14.3k
6 votes
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Opel Astra J: passenger seat belt warning isn't working, does it affect airbags?

Yes, the passenger seat belt warning chime and the passenger present systems are linked. I can't speak about Opel directly, I'm familiar with Mazda and Honda. The way the passenger present systems ...
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  • 15.9k
5 votes

Does wheelspinning damage my car?

In theory, the harder you accelerate or decelerate(brake), the more you put stress on the different parts. Most stressed parts when accelerating, in this order: Gearbox gears Crankshaft Fly bearings ...
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5 votes

Service intervals of different cars

Finding information on the service required: call a dealer and ask them. Look online at forums. Etc. How to tell if it's been neglected, that's the more important part of your question IMO. You ...
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  • 536
5 votes
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Are thick bands of rust on brake rotor indicative of a braking issue?

The inside band is not an issue. There is space between where the brake rides on the rotor (the shiny part) and the hat (the hub area). There has to be space here to allow the rotor to rotate ...
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5 votes
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Strange Artifacts on Astra H Info Display. Scratches?

The LCD panel is failing internally and will need replacing with another one. There is no way to repair the panel itself.
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4 votes

Vauxhall Astra Rear Jet Washer

I just did this last weekend. It is an easy job! The consensus on must of the Vauxhall/Opel forums is not to try and poke anything into the hole, you'll just ram the blockage further inside the nozzle....
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4 votes
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How to make ride less bouncy?

To check if your suspension is kaput you will need to stand near each Axel and depress the fender, if it bounces up two or more times than they might be shot. Alternatively you can manually inspect ...
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  • 8,926
4 votes

How to unblock washer jets?

I've personally had success clearing these nozzles using a sewing pin; the type that a seamstress may use to pin a garment together just before it is sewn. You can not only use the pin to clear the ...
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4 votes
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What is this recall for my Vauxhall/Opel Zafira heating?

Who is affected? If your car has had any previous work on the heating system, I would STRONGLY advise that you take it to a local dealership. Non-genuine parts may have been used, which could ...
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  • 6,515
4 votes
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Brake lights don't illuminate until pedal is pressed by about 5-10mm

Above the pedal should be a button, with 2 wires coming out of it. When your pedal is up, the button will be pressed all the way down, as you press the pedal, be button will release. At some point ...
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  • 8,403
4 votes
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Likely cause of poor performance at low RPM but normal at higher RPM?

Before everything else i would check the spark plugs. Under certain circumstances a crack in the insulator can cause problems at low rpm's but would be not feel-able with high rpm's. Edit, and ...
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  • 7,828
4 votes

Wobbly clutch pedal

The first step is figuring out where the wiggle is coming from. Stick your head or a camera under the dash and check the pedal assembly. If you don't have an Olympic gymnast-like ability to contort ...
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  • 6,017
4 votes
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Speedometer on Opel Corsa sometimes not reacting

Often times the speedo cable just needs lubrication. You can do this by disconnecting the speedo cable at the back of the speedometer and dropping some oil down the cable. Happens on Miata's all the ...
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  • 411
4 votes

Replace whole turbocharger or only the waste-gate actuator?

This is an opinion question, so you may get varied answers. This is my opinion. In my experience, I have found it is always best to start with the simple and work toward the difficult. In your case, ...
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  • 9,035
4 votes
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Replace whole turbocharger or only the waste-gate actuator?

It really depends on which part is sticking. If I've reconnoitered your turbo correctly, it has a built in wastegate. If it's the wastegate which is sticking and not the actuator, then you're wasting ...
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4 votes

Car manual recommends ACEA A3/B4 oil, service personal put ACEA A3/B3. Is this a big deal? Will the car break down?

There is no need to change it immediately IMO. The main difference between B3 and B4 is that the TBN number is higher for B4, which gives more capability of neutralizing acidic contaminants in long-...
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  • 2,929
3 votes
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What is brake imbalance? How can I fix it?

What does this mean? Brake imbalance is caused because one side of the braking pair (front or back axle) is not applying as much power as the other side. What's wrong with my brakes? There are ...
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