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7
votes
3answers
58k views

Should an alternator ever run over 14.5V?

Bought a replacement alternator but I am sending it back as I measured and have seen it running over 16.5V. The manual says the regulator should keep it to a max of about 14.5V. I put a brand new and ...
7
votes
3answers
15k views

Emissions - High CO reading only

My 1999 Honda CRV has just failed it's UK MOT test on emissions. Results are below: 1st test: CO 0.73 (FAIL - max is 0.30) HC 78 (PASS - max is 200) Lambda 1.008 (PASS - between 0.970 & ...
7
votes
2answers
6k views

Suzuki GSXR600 (K7) - Burned regulator/rectifier

I have managed to completely fry the regulator/rectifier on my Suzuki GSXR600 (K7). I suspect that it happened when I blindly splashed into a big water pond, some water probably got on the connector....
7
votes
3answers
4k views

Is Redline Lightweight Shockproof appropriate for an aging 2004 Subaru Impreza manual gearbox?

I have an aging (but wonderful) 2004 Subaru Impreza WRX with a manual gearbox. For some time, I have noticed that the synchros have begun to feel worn with the stock dealer-issue oil. Shifts are ...
6
votes
4answers
5k views

How do I know when to replace shock absorbers?

In my last trip to the shop, the mechanics told me that I should replace my shock absorbers. When I inquired as to why, I don't feel that they were very clear with their answer, like they normally ...
6
votes
3answers
1k views

Upgrade to HID lights in a Jeep Wrangler

I would like to upgrade to HID lights in my 2008 Jeep Wrangler. The stock lights aren't bright at all. My question is, since this would be an aftermarket upgrade, what am I looking at here? Is it ...
6
votes
2answers
2k views

Main engine not firing after non-engine-related fixes (replacing fuses and transmission fluid), starter/fan fine

This order of events makes no sense to me, I'm hoping someone here can see some possible link between them that I can't. Car is a 1998 Toyota RAV4 automatic, FWD: I had a car-not-starting problem (...
6
votes
1answer
12k views

My 2005 Mazda 3 Front Passenger window motor receives signal to go down, but not up

If you look at the picture below you will see that I took the plastic panel off my door, and separated the motor from the regulator. After I disconnected the motor that I thought was bad, I connected ...
5
votes
2answers
2k views

Creaky / Banging sound when going over bumps

I have a 2001 Hyundai Sonata, it is making a "creaky" or "metallic banging" sound when I go over bumps. The sound is coming from the right rear wheel area, is this a bad strut? When I push on that ...
5
votes
4answers
6k views

How to Test an Ignition Coil with a Multimeter

I have a 98 Mazda 626 GF and I'd like to test the ignition coils with a multimeter to see if any of them are starting to fail. The car has ECU controlled timing / ignition and there are two coils, ...
5
votes
2answers
6k views

Lean Fuel Code on V10

I have 1999 V10 Ford chassis on a 2000 Coachman motorhome. Engine starts great when cold, runs great, idles great, no skipping, missing, etc. Problem is that after driving more than 30 minutes or so ...
5
votes
3answers
19k views

Did I damage my car by trying to move in reverse with the handbrake on?

I was in a hurry to leave for the office yesterday and forgot that my handbrake was engaged while starting. I started the engine, clutched, and reverse geared, and found the vehicle not moving ...
4
votes
4answers
26k views

Should I use coca cola or baking soda + water to clean my battery clamps?

The clamps that are attached to the car battery are corroded, I was told either of these liquids will work. Which one is better? Is there a how to guide on the exact steps I need to take? With my ...
4
votes
1answer
158 views

Broken spark plug

How do I remove a spark plug broken off in the engine block of a 2002 Malibu? I successfully removed and changed three spark plugs in my 2002 Chevy Malibu. The fourth one broke off.
4
votes
10answers
25k views

When given a choice between octane 89 and 93, which should I choose?

I just recently got a 2005 Volvo S40 with a turbo engine; I want to take good care of it, so naturally, when the instruction manual recommends 91 octane fuel but says it takes a minimum of 87, I have ...
3
votes
4answers
20k views

What can cause a wheel to fall off/hub to break?

Recently my wheel came off as you can see in picture. I want to know what could be the various causes for this. Is it just that the wheel/lug nuts haven't been torqued down proplery or could it be ...
3
votes
2answers
2k views

Car diesels after shutoff

I have a 2001 Nissan Altima and when I turn off the engine, you can literally hear the engine stuttering out. Before, you turned off the motor and it stopped silently. Now it goes plup, pluuup, ...
3
votes
2answers
14k views

Why does my clutch “bounce”?

'97 Jeep Wrangler 4.0L, though I doubt the phenomenon is that specific. Sometimes, when I accelerate normally from a light or a stop sign (at the same rate as everyone around me) while keeping the ...
2
votes
5answers
10k views

How to program a transponder key of a 2000 Toyota Sienna

This is a follow-up question to my previous question regarding the replacement of the ignition switch cylinder in my car. In my 2000 Sienna there is an immobilizer circuit embedded in the switch. I ...
2
votes
1answer
13k views

How can I identify which cylinder is responsible for a petrol engine misfire?

My petrol engine has developed a persistent misfire. How can I figure out which cylinder is the culprit in order to hone in on the root cause?
1
vote
3answers
8k views

Fast Idle and High Fuel Consumption

I just bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP and I was amazed that it went through 1/4 tank gas ( about 12.5 liters or 3.3 gallons ) in one day after about 60 kilometers / 37 miles ...
1
vote
2answers
7k views

AC Delco production date

Recently I bought AC Delco batteries for my corolla 2006 car. The sealed number is(P7967). I tried to understand it but I couldn't because most of the posted answers where for sealed with only three ...
1
vote
1answer
153 views

Tire Replacement

In October, I bought new tires for my 2012 Toyota All-Wheel Drive Highlander. I have only put 4000 miles on them as I have not been able to drive since March due to surgery. Tonight, a family member ...
0
votes
0answers
130 views

Getting Started in Auto Repair [duplicate]

Possible Duplicate: Reviving a vehicle that has been idle for a long time. How to begin learning engine tuning? My dad has an old Mazda that has been sitting in the garage for a long time. He ...
0
votes
3answers
636 views

Can you use white vinegar to remove ac smells?

I'm trying to remove smells which come when I put the ac on. I've seen videos where they used chemicals such as lycol. Im not a fan of strong chemicals. Would something like white vinegar be safe ...
0
votes
1answer
8k views

Hissing/air sound when applying brakes

I recently noticed that when applying the brakes, I can hear a hissing sound that is similar to air being released. The car is a 2006 Infiniti g35x. I did a thorough search and the problem that comes ...
-1
votes
1answer
151 views

Will any cheap ozone generator do the job?

I am trying to get rid of some mouldy smells following damp in my car. The damp has been cleaned up but some mould smell remains. Will any cheap ozone generator do such as this one or are there good ...
46
votes
14answers
11k views

How do I save myself from a sinking vehicle?

Every year in Arizona there are monsoon storms and somebody inevitably get's killed in a car that is sinking in water. It appears the primary issue is getting free from the vehicle. After that, ...
51
votes
6answers
11k views

What is the most efficient method of getting your car unstuck from snow?

If your car is stuck in snow and you don't have any chains, what can be done to get it out? This can be an unnerving problem to have and it happens pretty easily with normal driving on ice. You wind ...
27
votes
2answers
3k views

How to deal with rust

I accidentally drove my car over a curb a while back. As you probably already know, the car suffered from minor scratches and dents on the bottom side, near the rear tyre. Now, I've noticed that it's ...
20
votes
3answers
64k views

Can OBD-II be used to control the vehicle?

Is the OBD-II port in vehicles only used for reading diagnostic codes or is there some functionality that allows the vehicle (eg. engine revving) to be controlled through OBD-II? Thanks.
23
votes
7answers
240k views

What damage does a car suffer if not regularly used?

Sometimes I use the car on daily basis, but there are months when I don't use it at all, and it sits parked outside for 5+ weeks, with the battery disconnected. (Main reasons: working from home that ...
10
votes
5answers
2k views

Car enthusiast beginner tool kit

What is a good place to begin building a kit/set up for performing your own service? For example: oil changes waxing detailing What are the best tools/equipment to start with?
14
votes
11answers
74k views

Any truth to the “myth” about changing transmission fluid in older vehicles?

I have had people give me anecdotal stories (friend of a friend type thing) about changing the transmission fluid in vehicles with 150,000+ miles, especially those that haven't had regular ...
10
votes
8answers
18k views

Fuel efficiency and Shifting/RPM

I was reading a thread in a car forum where someone wrote: The lower the RPM, the less fuel you use, the less strain you put on everything.. Another person then replied, stating: Not true. If ...
28
votes
4answers
507k views

What causes an engine to burn oil?

What are the different problems that can cause an engine to burn oil and in general how difficult / expensive is each one to repair? How do you diagnose each potential cause? I found this article ...
25
votes
12answers
217k views

What is the best way to remove a stuck/rusted exhaust bolt?

I'm trying to disassemble the exhaust system on a 2000-2003 Nissan Maxima and I'm having trouble removing one last bolt. It's got a 14mm head and its just plain STUCK. I've tried soaking it overnight ...
23
votes
6answers
128k views

Does a timing chain need maintenance?

Does a timing chain (as opposed to timing belt) need any specific maintenance? In particular I'm talking about a BMW Z4
22
votes
5answers
14k views

What differences between synthetic and dino oil?

What are the main differences between synthetic and dino oil? Is one always better than the other?
22
votes
3answers
1k views

What are good features to look for in an OBD-II reader

I recently took my car in for the engine light. It turned out to be a minor problem (crack in gas cap let water in). It would be nice to have a low-cost OBD-II reader to be able to find out for ...
22
votes
7answers
75k views

Aluminium engine vs Cast Iron engine

What is the advantage that the aluminium engines provide over the cast iron engine apart from the fact of rusting and weight reduction. Manufacturers like to boast about their all new aluminium ...
17
votes
6answers
18k views

Why is car A/C typically less reliable than fridges/freezers?

I just had the A/C in my car die on me again; air coming through the vents with the A/C is just as warm with it turned on as off. However, my fridge/freezer is something I've had for over 5 years and ...
16
votes
5answers
65k views

brake rotors- blank, slotted or drilled?

There is a lot of conflicting information whether slotted or drilled rotors perform better than blank rotors. For a street car that will do the occasional track day, which type of rotor should I get?
12
votes
6answers
222k views

What actually happens when there is not enough coolant in a car engine?

I know that a lack of engine oil can destroy an engine, so I was curious as to whether it is just as bad to drive a car with a very low engine coolant. What is engine coolant? What exactly are all ...
11
votes
2answers
103k views

What temperature should the A/C blow?

The A/C output temperature on my 2012 Chrysler Town & Country feels diminished, especially in the rear seats' A/C vents. So, I had the refrigerant drained, measured, and topped off (dealership did ...
10
votes
8answers
189k views

How do you detect and deal with a refrigerant leak?

My heat works great, but my AC is nonexistent. Just blows out normal air, which in this weather is quite hot and unpleasant. I had the refrigerant refilled two years ago, but I haven't used the car ...
9
votes
4answers
53k views

What are the audible symptoms of a failing starter motor?

My 2004 Subaru WRX has 110000 miles on the odometer and I'm worried about the original equipment starter motor. Here are the audible symptoms that have me concerned: During the winter, I noticed ...
8
votes
3answers
58k views

Are fuel system cleaners (like Gumout) worth using regularly?

Are fuel system cleaners (like Gumout) worth using regularly?
6
votes
2answers
76k views

Effects of driving through deep water WITHOUT hydrolocking (car still bogged down and died)

So, yesterday we had very heavy rains, and unfortunately I was driving in an unfamiliar area of town. I drove through high water, which caused my car to sputter and so I turned around. The car behaved ...
5
votes
3answers
1k views

Maintenance on used car with unknown history

I bought a high mileage (130K) used Saturn (98 SW2). I do not know the maintenance history of the car or if it has been kept to the maintenance schedule. What things should I avoid working on? For ...

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