Hot answers tagged

38 votes

Why could my vehicle be shaking around 60mph after hydroplaning?

You stated you had dirt in your wheels from the incident. Two things could be happening to you: You still have dirt in one or more of your wheels causing an imbalance. A simple scrub will take care ...
user avatar
26 votes
Accepted

Would it be harder to install a new AC system if the old one is ripped out already for a long time?

Keep the AC system in the car until you are ready to get it repaired. There's a load of parts to an AC system and some of them are hard to access, you are likely to spend much more in labor costs ...
user avatar
  • 14.4k
20 votes

Why could my vehicle be shaking around 60mph after hydroplaning?

Even though you state that no curb was hit, it could be that you still hit something small while sliding and that could have affected the alignment of the wheels. Or if there really was no obstacle ...
user avatar
  • 1,334
12 votes

Can cats leave scratch marks on cars?

It's hard to be sure, but that looks like single-stage paint (without a hard-wearing clearcoat). If so, it is relatively soft paint that could easily be scratched. Judging by the angle of attack (and ...
user avatar
  • 38.9k
11 votes

Can cats leave scratch marks on cars?

My experience with cats is that they do enjoy sticking their claws into something soft to sharpen them. Cats will completely destroy furniture this way. The scratches you are showing are on hard metal ...
user avatar
  • 12.1k
11 votes

Wiper fluid only squirts out for a second - Hyundai Accent 2006

The blockage probably isn't in the nozzle, it's right at the inlet of the pump. Some have a screen, many don't. You can wire the pump backwards temporarily, to run the pump in the other direction ...
user avatar
  • 12.2k
10 votes
Accepted

Front left controller arm corroded and broke on my 2002 Hyundai Elantra

You have severe case of corrosion. The part is called the lower control arm. Its function is to maintain the tire in the correct position. Do not attempt to drive the vehicle. In the best case ...
user avatar
  • 19.7k
9 votes

Is it dangerous not having air conditioning cabin filter?

Typically it's just a pollen filter that's more for occupants comfort. In older cars you would very occasionally get a dead bumble bee through a vent but I'd say that six days unfiltered shouldn't ...
user avatar
9 votes

2007 Hyundai Elantra - Car beep when I lock the door no longer working

I believe your Elantra has a switch under the hood which detects if it is latched or not. All of the doors, trunk lid/rear hatch, and hood must be closed or the "beep" will not occur. Since you stated ...
user avatar
9 votes

How long does it take for engine damage to show up after running without enough oil?

There is no clearly defined time after which low oil damage will become apparent. But your experience sounds typical to me. There are any number of Youtube videos that show running engines without ...
user avatar
  • 8,574
8 votes
Accepted

what is exactly steering feedback?

tl;dr: Steering feedback means different things to different people. Ultimately, however, it's about using the steering wheel as both an input and an output device. At a very high level, the concept ...
user avatar
  • 24.3k
8 votes

How to Identify which O2 sensor is faulty WITHOUT readings from the car's system

This requires a bit of mechanical know-how and some time... An O2 sensor can be tested with a multimeter that measures millivolts. You'll need to securely attach one lead to the signal wire of the ...
user avatar
  • 13.2k
8 votes

Why could my vehicle be shaking around 60mph after hydroplaning?

Sliding sideways into the dirt on the shoulder could cause a bent rim. I would have suspected you would be more likely to feel that at about 45mph but if the bend is relatively light, this could be ...
user avatar
8 votes

Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?

Short answer - no. It's perfectly okay. And , it's also perfectly okay to be annoyed. It's one of those things mechanics like to do (no offence to anyone). Similar to endlessly hitting refresh on a ...
user avatar
  • 2,186
8 votes

How do I install a turbocharger and a supercharger on a 2008 Hyundai Accent?

I suspect a 96bhp 1.4 engine would struggle to provide enough power to spin up a supercharger and two turbochargers. I also suspect that the charging units you have chosen would not be well matched ...
user avatar
8 votes

Will driving car without coolant cap do long term damage to car?

If you didn't overheat the car, then you've done no damage. The radiator cap seals the system and allows pressure to build (to a point), which raises the boiling point of the coolant. This allows it ...
user avatar
7 votes

2007 Hyundai Elantra - Car beep when I lock the door no longer working

Seems a horn was damaged. Some cars use the vehicle's horn to "beep" as a response. Others use a separate horn. Pop the hood and look in the front grille area. Use the diagram below to guide you. Do ...
user avatar
  • 3,363
7 votes

Weird "old"-sounding engine noise. What's the problem?

it sounds like valves Your valves are at the top of the motor under the black cover. They are reciprocating devices, they move in and out and are operated by a camshaft that is spinning at half the ...
user avatar
  • 32.7k
7 votes

Weird "old"-sounding engine noise. What's the problem?

While @DucatiKiller is most likely correct, there is another possible reason for this noise, that being a leaking exhaust manifold. If the exhaust manifold is leaking at the head, it will make an ...
user avatar
7 votes
Accepted

Canister purge valve constantly opening

The Purge is controlled by the PCM with a pulse width modulated switch signal. It is normal for it to cycle rapidly. This allows small amounts of the fuel vapor to be metered into the cylinders. This ...
user avatar
  • 11.5k
7 votes
Accepted

How do brake lines connect to their respective fittings?

Getting them to break loose is the biggest challenge. I use a good penetrate, soak them several times over 3-4 days, use high quality brake line wrenches to turn the nuts to prevent rounding the ...
user avatar
  • 7,940
6 votes

Cleaning fuel injectors

You have a couple of choices here, neither of which includes you cleaning these yourself. You do not have the equipment or chemicals to correctly or efficiently clean and flow test these injectors. It ...
user avatar
6 votes

Cleaning fuel injectors

The injectors you have shown in your pictures are not servicable items. They can be tested using the appropriate service machinery. You should be able to get a new set of external seals though. When ...
user avatar
6 votes

CO, NOx, HC plot with AFR Table

Combustion Chemistry from Princeton This isn't much of an answer but here is some data from a Princeton class related to Combustion Chemistry. You will see that the table you are looking for is ...
user avatar
  • 32.7k
6 votes

Would it be harder to install a new AC system if the old one is ripped out already for a long time?

Don't rip it out. In addition to what GdD said, some parts of the system, particularly the evaporator core, likely make up part of the seal between the engine compartment and the heating/AC ductwork. ...
user avatar
6 votes

Is car lift required to change '03 Hyundai Santa Fe timing belt?

It depends on the car, but it's plausible that the best way to change the belt is to drop the engine. Even if dropping the engine isn't required, changing a timing belt on a modern car is often a very ...
user avatar
  • 14.4k
6 votes

Is car lift required to change '03 Hyundai Santa Fe timing belt?

I found this - NOTE: Santa Fe – Due to limited space within the engine compartment it may be necessary to remove the engine from the vehicle or the gearbox mounting and left-hand side driveshaft to ...
user avatar
  • 19.8k
5 votes
Accepted

Would leaving the headlights on for two hours permanently damage the battery?

If you got a low point discharge, your battery is damaged. Some chemical processes can not be reconverted from that point. If you drive around for some time, your battery will get warm and have a ...
user avatar
  • 746
5 votes

Leaking gas tank from rust - needs sealed. What materials should I use and how should I do it?

If you have no money, the simplest way to get it fixed is to use a stainless metal screw (or galvanized if you cannot find stainless). Simply screw it into where the hole is at. When you insert the ...
user avatar
5 votes

How to Identify which O2 sensor is faulty WITHOUT readings from the car's system

You may want to review this answer of mine. The tests outlined there for heater resistor continuity and response to lean/rich conditions assume a fully functional sensor. If the behavior under ...
user avatar
  • 38.9k

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