7
votes
4answers
274 views

What clues are there to identify real mileage?

This is a bit theoretical question, maybe viable for a wiki. Suppose you want to buy a 10yo car and among available deals you see one with suspiciously low mileage (e.g. 5'000 km). Seller assures you ...
7
votes
2answers
23k views

Heater blows cold air at idle

I have 2006 VW beetle with the 2.5L engine. Once the engine has warmed to operating temperature, and I am driving it around, the heater works great. As soon as I stop at a red light, or am idling for ...
7
votes
1answer
11k views

Brakes make grinding noise during stops at low speeds

I've got a Mazda B2300 pickup that's started making a grinding sound whenever I come to a stop. Braking at a high speed doesn't make any noise, but once I get under 25-30 MPH, the grinding sound gets ...
7
votes
4answers
54k views

Cold start squeaking noise in engine

I just purchased a used 2010 Corolla 3 days ago. I've only now noticed that when I start the car, there is a squeaking sound coming from the engine. It lasts no more than a second. Sounds like it ...
7
votes
1answer
4k views

What are the tell tale signs of a catalytic converter that might be going bad?

I've owned two vehicles whose catalytic converters were recalled due two a couple of reasons: one being the quality of the CC and the other being a reduction in power due to a material building up and ...
6
votes
3answers
394 views

Why did V4 engines never take off?

I read that Ford Taunus (not to be confused with Taurus, it was a small model for German market) used to be made with a V4 engine but that's about it. How come V4 never became more used in modern ...
6
votes
2answers
1k views

Is topping up the oil enough of an oil change?

If you use synthetic ester-based oil in a relatively new petrol engine, top it up regularly, and the engine runs very quietly and basically without any noise whatsoever (especially after another top ...
6
votes
2answers
2k views

Do different brands of the same oil really make a difference?

I've found several other questions on here that answer, "what's different between synthetic oil and regular oil?" or "Can I use X oil in Y car?", or similar, but nothing that quite answers my ...
6
votes
2answers
1k views

My car has multiple ODBII engine fault codes

2002 Nissan sentra se-r 2.5l Hope you can advice me on my car. My codes are: 0447, 1490, 0340, 0031, 0037 My symptoms: 1. Car stalls after driving for 5 minutes than cannot start for another 2 ...
6
votes
1answer
352 views

When should I change the oil, as the tech recommends or as my oil change light indicates

I have a Toyota Corolla 2008. It has an oil change light indicator. The tech at the one hour oil change place recommends to change it every 3,000 miles but the indicator light only goes off about ...
6
votes
1answer
1k views

Do newer cars actually monitor the quality of oil? [duplicate]

Possible Duplicate: How does the change oil light system work and does it matter what type of oil you use for it to work properly? Starting last August, I am currently leasing a BMW 328i ...
6
votes
5answers
9k views

Doing my own fuel induction service - how to, and how difficult?

Was recommended to get a fuel induction service for a 2002 V4 Camry, and am considering doing it MYSELF. The reasons for considering this are: My car idles a bit rough, especially when the AC is on. ...
6
votes
4answers
2k views

What happens if unsuitable oil is used in a vehicle engine?

I recently heard an urban legend-like story about a guy in a developing country who decided engine oil was too expensive and so used some vegetable oil instead. The story says the car ran for some ...
6
votes
3answers
3k views

Troubleshooting 'random' clutch problems

I've got a customer who came in complaining that the clutch pedal had gone 'funny': it wasn't 'coming back up' like it used to. As he was in for service anyway, we replaced the clutch fluid, and it ...
6
votes
3answers
7k views

How do I apply dielectric grease to my battery?

I recently had a new battery installed in my 2006 Subaru Forester. The shop did not use any dielectric grease, just connected the leads to the terminal and that's it. What is the preferred method of ...
5
votes
1answer
230 views

what is exactly steering feedback?

I have heard people say that cars with HPS and Non PS have nice steering feedback while the other cars with EPS steering's have vague feeling and has no feedback at all.I have driven few cars, A fiat ...
5
votes
3answers
2k views

Car stalls when braking (VW Mk1 Golf)

I have bought a Mk1 Cabriolet that has been sitting for over a year. I am trying to get it road worthy. So far so good, but I am having an issue with the engine and braking: The engine stalls when I ...
5
votes
2answers
537 views

What to do with damaged alignment dowels in block?

Just took the second head off the 98 Subaru Outback I'm working on and I found one of the alignment dowels was badly crimped over the gasket for about 1/3 of its circumference. I have no idea how it ...
5
votes
1answer
647 views

I drove with the handbrake on for 1000 metres

I left my handbrake on for about 1000 meter when driving this winter. I smelled something burning when I opened the front door. Since then there is often a burning smell back right wheel after ...
5
votes
2answers
149 views

key wont turn inside

I have a Chevy Cobalt 2008. I drove the car yesterday before the freezing cold and during the snow. This morning the key will not turn in the ignition but the lights come on. The sun is up but still ...
5
votes
1answer
2k views

How can I diagnose gradual electric power loss in a VW Golf Mk5?

I'm experiencing loss of electrical power to my Mk5 Golf. It seems to happen mostly when the car hasn't been run for two or three days. We changed the battery a few months ago. More recently, there ...
5
votes
1answer
412 views

What could be a likely cause of unusual “torque steer” after repairs?

I have a 2012 Dodge Avenger SXT. Recently, I had a collision with an inanimate object which damaged my front-right tire and rim and also caused some very minor body & paint damage. Immediately ...
5
votes
1answer
5k views

Bubbling sound from coolant and increase coolant liquid level

I drive an old Daihatsu Charade 1993. Just 2 days ago, I heard a bubbling sound from the coolant when I turned off the machine. I didn't really care much until yesterday when the car got hot ...
5
votes
3answers
4k views

What is involved to recharge the Air Conditioning System?

What is involved to recharge the Air Conditioning System? I believe you need a machine to do it, so I am guessing you can't do it yourself.
5
votes
2answers
754 views

What are the causes of fluctuating intake manifold vacuum

I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. I also get occasional fault codes from the ECU indicating a vacuum leak. Today I connected a ...
5
votes
3answers
3k views

Does accelerating faster worsen fuel efficiency?

I've often heard that accelerating harder makes for bad fuel efficiency, but have yet to be given a sound explanation of why. Naturally this makes me question this advice. Now obviously when you ...
5
votes
3answers
4k views

Brake lights, but no tail lights

I've got a 2001 WJ 4.0, The right brake light wasn't working, so I installed a new bulb, but I must have done something in the process because now all my brake lights work but I have no running ...
5
votes
1answer
5k views

Huge puddle of water under car

I parked my Dodge Viper after driving for about two hours. Half an hour later I noticed a huge puddle under the engine, on the passenger side. I am pretty sure it was water since it was thin, ...
5
votes
1answer
215 views

Do I have to get another Volvo?

I live in Florida and have mold allergies. Multiple times my 2008 Sienna van has a bad AC smell develop which makes me cough my head off. The dealer has cleaned the evaporator and ducts and the ...
5
votes
2answers
1k views

Foul Smell when turning on air conditioning

I have a 2007 Chrysler Aspen, and recently (past 2 weeks) when I turn on the ac, I notice a 'foul' smell, like burnt rubber, or even sulphur-like. The smell will last a few minutes and will gradually ...
5
votes
2answers
5k views

Is 30k mile maintenance really required?

Is 30k mile maintenance really required? I have a subaru wrx '09 and the time has come for the check. I called the dealer after going through the manual. They quoted me 500+ for the check which ...
5
votes
1answer
3k views

How important is it to use a real flare nut wrench when removing the fuel line on an old Ford tractor?

An article on overhauling the carbs on a Ford 8N tractor says to use a flare nut wrench to disconnect the fuel line. How important is it use that kind of wrench, vs. an open ended wrench?
5
votes
2answers
2k views

How to know how much fuel is left when the light turns on

In general, where can one find information about the quantity of fuel that is left in the vehicle's tank when the warning light turns on? More specifically, in a Suzuki Swift GLX (auto) 2010 model?
5
votes
2answers
4k views

Manual horn switch

what are the pitfalls or things to look out for when manually wiring a switch from the battery to the horn? Some background: I just moved to texas where they require vehicle inspections. My horn ...
5
votes
3answers
7k views

My car wobbles while driving

I have a Honda Civic VTI, 1997 model, automatic transmission. When I start driving my car gives a feeling that one of the front wheel is wobbling and the steering wheel receives continuous jerks. This ...
5
votes
5answers
975 views

Preventing visor from fogging

How do you prevent your visor from fogging? I ordered a pinlock today for my HJC helmet, but had read some good things about NEC pinkstick (some kind of wax for visor). Usually I just keep the visor ...
4
votes
1answer
35 views

How to know when thermostat is open?

Is there a way in modern vehicles to know when the thermostat is on vs off? Is it possible to tell when you don't have access to under the hood, IOW when you're driving?
4
votes
1answer
108 views

Flushing coolant after driving only with water in

If I drive my truck for 30 min with just water in my system, would it be equivalent to just flushing it stationary (the proper way to flush it)? IOW, if I just drive around with a clean water refill ...
4
votes
1answer
81 views

How to determine if P0430 is O2 or catalytic converter

2009 CTS4 3.6L P0430 catalyst below efficiency bank 2 comes on periodically. (There are no other codes being thrown.) I put a data logger on it today on my drive to work and the rear sensor is ...
4
votes
2answers
254 views

Royal Enfield Classic 350 - Motor Break-in Best Practice

How many km's should be driven with a lower speed to setup the bore for a Royal Enfield Classic 350, what is the minimum speed for that duration and how many km's should we maintain that lower speed?
4
votes
1answer
37 views

How is “Fuel consumption (economy) - combined” Calculated?

I have a Mazda - 323 S V (BA) - 1.8 i 16V (114 Hp) and the data sheet for it says: Fuel consumption (economy) - combined 7.9 l/100 km. How is this calculated and under what driving conditions?
4
votes
2answers
103 views

how do i know if my lead-acid battery has been resurrected?

The OEM battery in my 2008 Jetta SE 2.5L has been nearly fully discharged one month back (had insufficient surface charge after a prolonged use without the engine running, but leaving it idle for 20 ...
4
votes
1answer
414 views

Why would turning on the A/C affect my alternator output voltage?

So yet another chapter unfolds in the A/C gremlin saga of my LS1 Chevy. Backdrop A/C compressor is relatively new (2 years old) One of the belts is squeaking (not sure which one) Recently performed ...
4
votes
2answers
332 views

Is this a wheel spacer?

I just swapped my aftermarket winter alloy wheels&tires, for original summer wheels & tires. The steering wheel feels wobbly after I did that. I read this thread here on mechanic exchange ...
4
votes
1answer
510 views

Astra Turbo sounding like a diesel

http://www.youtube.com/watch?v=ph6JOhFJcJA The video above demonstrates the sound I hear when my car is at operating temperature. I don't know why it would sound so rough. It doesn't sound quite as ...
4
votes
1answer
137 views

Block Test: Can't suck any more air, is this normal? (1999 Suburban)

I performed a block test recently to diagnose a problem I'm having. The liquid stayed blue, but I want to clarify I have done this right. The purpose of the test was to see if I could prove a head ...
4
votes
3answers
579 views

How to prioritize repairs?

My car needs some work, but I don't like taking out too much debt and my savings are sort of depleted for the moment, so I need to do a little at a time. How can I prioritize the work that needs to be ...
4
votes
2answers
1k views

Car average mpg display correctness

I have been wondering about the correctness of the average MPG displays on modern cars. Mine in particular is a Renault Modus. What I did is fill the tank, drive around and then refill the tank to see ...
4
votes
1answer
431 views

2001 Pontiac Grand Am SE oil in the coolant

Recently my car started chugging and "vibrating" at low speeds, and the check engine light is flashing on and off. On inspection, I found oil in the coolant. I don't know a lot about cars, but a ...
4
votes
6answers
27k views

Impala no heat at Idle

I have 2006 impala that randomly will blow cold air at idle. Sometimes if I stop at redlight the heater will blow cold air. If I get the engine above idle by reving the engine to about 1K rpm it ...

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