5
votes
1answer
733 views

Failing starter motor - why does whacking it help?

Starter motors can be notorious for intermittent cranking issues towards the end of their useful life. Why is it that some starter motors can be persuaded to crank the engine by hitting or tapping ...
5
votes
2answers
221 views

Roof paint peeling badly, with rust — what to do?

I've got a 97 Dodge Grand Caravan that's generally in pretty good shape, but the roof has started peeling badly, and a few spots have accumulated some rust. This is an old car with limited value, so ...
5
votes
2answers
141 views

Water leaking into frame case/engine?

I just had my 2012 Mini Cooper S (66K miles) repaired last week last week for a failed/leaky water pump. My car had an episode where it overheated and shut down and wouldn't start after pulling over ...
5
votes
1answer
106 views

Reliability of water test for valve seal

I took my valves out, cleaned and lapped them and put them back together. I also put new valve stem seals. At least on one side of my V6 Tacoma. I performed several water tests to check the seal of ...
5
votes
1answer
549 views

Acceptable amount of slack in a timing chain with high mileage?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - 230,000 miles original owner. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine ...
5
votes
2answers
157 views

Is it difficult to retrofit Air Conditioning?

Car: 2003 Opel Agila 1.2 I would like to retrofit Air Conditioning to my car, as I'm planning to travel to a hot place! My questions: Apart from charging and discharging the system, which I would ...
5
votes
1answer
1k views

Why doesn't my rev limiter bounce?

I have a BMW 630i Steptronic from 2007. If I floor the pedal in neutral the RPM is of course limited, but it doesn't "bounce" like regular rev limiters. Instead it keeps a constant and "clean" RPM. ...
5
votes
1answer
626 views

Manual Transmission Whirs when coasting down, clutch disengaged, shifter in gear

I have a 2004 Nissan Xterra. When I am at speed, usually in 3rd or so, and I am coming to a stop, I disengage the clutch, brake, and coast to a stop, with the shifter still in gear. As I do this, ...
5
votes
1answer
165 views

What options do I have if I've stripped the threads for my Helicoil repair?

A while back I had repaired a stripped thread on my aluminium timing chain cover with a M6x1.0 Helicoil. This involved: drilling out the damaged thread tapping a slightly larger M8x1.0 internal ...
5
votes
3answers
6k 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
5answers
1k views

How to deal with a hot turbocharger

A piece of advice that seems to be widely accepted is that after a long high-speed run, when the turbocharger is thoroughly hot, you should let the engine idle for a while before stopping it. The ...
5
votes
6answers
17k views

Uneven rotation sounds when my car gets to 50-60 MPH

My 2005 Mazda 3 with 73K miles (roughly 20K on the tires) on it starts to make a sound, just like your washing machine does when all of the clothes go to one side and its still spinning, when I get to ...
5
votes
3answers
3k views

Stuttering Accord at Stop Lights

My 1996 Honda accord with 200k miles has started acting up. After a long vacation, I came back and the engine would seriously stutter at all speeds, especially on acceleration. I assumed it was fuel ...
5
votes
2answers
4k views

Why might lower settings of a dashboard fan not work if the highest does?

My wife bought a Nissan Note second hand and the internal ventilation fan works on the highest setting (3 or 4) but not on the lower settings. We've checked the fuses and all seems fine there. Could ...
4
votes
0answers
18 views

I have 2001 C240 Mercedes. lately since the weather is getting cold, I have problem starting the car.

I have 2001 C240 Mercedes. lately since the weather is getting cold, I have problem starting the car. when i try to start the car, it makes no sound. a local mechanic says that the starter is ok. ...
4
votes
1answer
81 views

How does a torque converter work?

I am still in the learning process and I am okay with torque converter but there is something I can't understand very well: Why does the impeller and turbine have vines in opposite directions? Why ...
4
votes
1answer
163 views

Clunking sound?

I just purchased a previously owned 2008 Chevrolet Malibu with 100,000 K on it. Whenever I make a sharp left or right turn (making a 90 degree turn rather than a shallow turn), the front end makes a ...
4
votes
1answer
44 views

How can I tell when a tire was manufactured?

Unused tires harden and deteriorate quickly in harsh desert climates. When I shop for tires I want to make sure I get ones that are as fresh as possible from the factory without trusting the sales ...
4
votes
6answers
41k 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 ...
4
votes
2answers
3k views

1999 Honda Accord Coupe Stalls After Warm Startup and Shaky Idle TSB

The car will intermittently die at random times while doing errands or anything that requires frequent start/stop engine. Sometimes after starting it idles at about 500RPM, and dies. Shifting or ...
4
votes
2answers
3k 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 ...
4
votes
5answers
841 views

Can I save money using E85 in my flexible fuel vehicle?

Where E85 Ethanol is available (not very common), the price per gallon is often lower than regular unleaded gasoline. Though I've read that fuel economy is commonly reduced by 20% or more, when using ...
4
votes
6answers
26k views

Will different tread depths hurt my 4 wheel drive?

I have a Ford F150 4x4. The front 2 tires treads measure 12/32, one rear is 6/32 and the other is 10/32. The dealership told me I should replace the rear 2 tires because the big difference in tread ...
4
votes
2answers
717 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 ...
4
votes
3answers
2k 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 ...
3
votes
1answer
171 views

What is a stress riser?

What is a stress riser and why is it important to avoid them during engine construction or rebuild?
3
votes
2answers
6k views

What exactly is Honda's i-VTEC technology

I see that almost all of Honda's cars have an "i-VTEC" logo at the back. I googled it and came to know that it has something to do with different cam profiles. Can someone explain? A diagram or ...
3
votes
2answers
141 views

Does more frequent tyre rotation make tyres last any longer?

Say, one gets new directional tyres that are warranted to 60k miles and have 11/32" of tread when new. If one rotates them at 20k miles (if directional; otherwise, at 10k, 20k and 30k, if ...
3
votes
2answers
661 views

95 Honda civic timing marks

I have a 95 Honda civic with a D16Z6 engine. I was trying to check the timing on the car, and wanted to get the engine to TDC. There were a few marks on the cam gear. There was no up pointing arrow, ...
3
votes
1answer
153 views

Falling RPM's and Stalls after Releasing the Clutch

Once my 97 Mazda 323 get's up to normal operating temperature, around say 90 C, the RPM's will occasionally nosedive after taking it out of gear, releasing the clutch and letting off the gas. What I ...
3
votes
3answers
698 views

Engine spikes to 5000 rpm when pressing on gas pedal or going uphill

I'm having an issue with my 2001 Solara, and I would like to check out a few things myself before I have a mechanic spend lots of time diagnosing the problem. When the engine is under load -- I press ...
3
votes
1answer
112 views

Replacing a tube on the engine

I'm trying to replace a tube in my Ford Focus 2000. I tried to look up the schematics for the engine to see what the part is called but I'm pretty newbie so I don't know what I'm doing. Luckly the ...
3
votes
2answers
23k views

Is it OK to replace only 2 tires on an AWD car?

On a 2004 VW R32 (which uses a Haldex AWD system), I have one damaged summer tire. All the tires have at least half of their usable tread depth left. At $200 ea, I'd like to replace only a pair of ...
3
votes
1answer
2k views

How to diagnose “Creaking” / “Scraping” sound when entering parking lots?

My drive to work involved entering a lot that has a fairly steep grade compared to the pavement. As such, in low riding vehicles, you need to enter it fairly slowly. The thing is, recently, I can ...
3
votes
3answers
10k views

Clunk noise from my brakes on first application

I have had the brake pads replaced on my Forester STi (4 pot Brembos all round) and have noticed a strange noise on first application of the brakes after moving either forwards or backwards. By this ...
3
votes
1answer
6k views

Fixing a trunk latch on a Ford Focus

If the latch on an '03 focus (not hatch back) just clicks at you 4 or 5 times and never actually closes what needs to be fixed? I can't close my trunk. The black plastic thing that the latch is ...
3
votes
1answer
159 views

Amount of grease needed on a typical wheel bearing.

Replacing front wheel bearings on a RWD truck. Inner and Outer. Will 14oz tube of grease be plenty? Is there a rough estimate per bearing or does it depend on the type?
2
votes
1answer
40 views

Paint light scratches repair

Hi I own Renault Megane Mk3 for while and car's paint is almost full with small scratches due to hard cleaning( car was cleaned by a hard surface ), I know its stupid thing to make but it wasn't my ...
2
votes
1answer
46 views

electric windows broken

Can anyone help just got home and have gone to do my electric windows up and non of them will go up I had an issue with the passenger side switch not doing the window up but would do it down but now ...
2
votes
2answers
111 views

1987 Yamaha FZ700 headlights not working

I recently bought a 1987 Yamaha fz700, and the owner said the headlights didn't work, and I can't figure out what's wrong. We checked some of the wiring out, and the bulb connectors have no power ...
2
votes
1answer
479 views

Car overheating when ac goes from hot to cold

This is a 2003 Honda Civic with about 140k on it. I've had this car checked out by a mechianic and the thermostat was replaced had a pressure test to check for air pockets, nothing. Had a test for a ...
2
votes
3answers
183 views

Is it mandatory to change oil once a year?

I drove only 4000 km in a year. Volkswagen advises that I change the oil in 15,000 km kilometers or 1 year. In this case, what do I need to do, because I have driven only 5000 km.
2
votes
1answer
1k views

2001 Hyundai Sonata System too lean

I own a 2001 Hyndai Sonata. Check engine light is on, and I'm getting an error code P0171, Bank 1 System too lean. I figured I'd start eliminating problems, so when I ran an ODB check, what I got was ...
2
votes
1answer
1k 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?
2
votes
2answers
36k views

Using only coolant or mix of water for radiator?

Do I have to use only coolant for radiator or mix coolant with water, if so what percentage of coolant and water should be mixed?
2
votes
3answers
9k views

What does the Check Engine Light on 2000 Camry at 180,781 miles mean?

The check engine light just came on in my 2000 Camry. It has 180,781 miles, and the 180k mark is the recommended timing belt replacement mark. I've checked the tightness on the gas cap, and I'm ...
2
votes
3answers
20k views

Why does my 3rd gear grind on shifting when RPMs are high on 2002 Audi TT?

This only happens when shifting into 3rd gear (on a 7 gear Audi TT). If I shift when the RPMs are high (say over 2k) then there will be a horrible grinding noise. Instead I have to apply the clutch, ...
2
votes
5answers
2k views

How to solve unexpected skidding in 1995 Toyota Camry

My 1995 Camry LE (4 cyl) skidded twice. Luckily I escaped both occasions unhurt and without damage to the car. First time it happened on a freeway when I applied brakes @ 50mph. I thought it was ...
2
votes
2answers
490 views

Kia Soul aftermarket headlights

What are the options (in Canada) for aftermarket headlights, e.g. HID, etc. for the Kia Soul? I find the Soul's headlights to be lacking, and I would like to get something brighter since I do quite a ...
1
vote
2answers
182 views

How to calculate the amount of consumed gas?

If we have the cc of the engine, and its running speed, how can we calculate the mass of gasoline in milligrams sucked in each intake stroke and the mass of gas consumed in a given distance, based on ...

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