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1500 questions
11
votes
1 answer
1968 Beetle Front Shocks (Koni)
What are the correct size Koni front shocks for a 1968 Beetle at stock height?
I purchased the (red) Koni D 80-1787 which Koni's site recommended as a stock shock replacement. My mechanic says they're too short. The wheels drop only about an…
cloudsurfin
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11
votes
2 answers
Brake pedal has "dead zone" in the middle of travel
I have been working on a 1999 Buick Century Custom that had rusted brake lines. I get strange pedal feel that I will attempt to describe:
From 0% to about 15% depression, there is resistance and most braking
force is generated
From about 15% to…
Alex Hirzel
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11
votes
1 answer
Interference vs non-interference engines
What do people mean when they say that an engine has an interference design? How does it differ from a non-interference engine?
Zaid
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11
votes
3 answers
How would I go about becoming a mechanic?
So, for the most part, I know how an engine works. I understand how a car converts liquid fuel to physical power, and most of the concepts behind the operation of a vehicle. Recently, i've begun to love messing with cars, and have noticed that with…
Hellreaver
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11
votes
2 answers
My Ignition Timing is Retarded, no seriously, it's really screwed up
I logged some test data to try and help me figure out why my 98 Mazda 626 GF 2L ATX has a rough idle and is suffering from hesitation.
(Speed k/h),(TPS_v),(MAF g/sec),(RPM),(SparkAdvance),(EngineLoad),(ST_FuelTrim)
There are a few things standing…
Robert S. Barnes
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11
votes
3 answers
Should I avoid full throttle when driving with a cold engine?
Apparently I should avoid full throttle until my engine temperature is warmed up fully (to 90 degrees on the gauge)
Normally I just get in and drive normally after about 10 seconds, and then after about 2-3 mins I join a fast road with a hill, and…
George
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11
votes
3 answers
What is overboost?
I've heard the term overboost quite a lot.
What is "bad" overboost?
What is an overboost problem?
What will happen to my turbo engine if I don't fix it?
Edit: apparently there is a good type where the engine produces more power for 5 seconds or…
George
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11
votes
9 answers
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 your pulling high gears and making the engine work…
stoicfury
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11
votes
2 answers
2001 Infiniti QX4 rough idle - leaking fuel damper vacuum port
I have a bit of an involved problem, so I’ll break it down a bit and try to provide as much detail as possible.
My main problem:
I have a rough idle on my 2001 Infiniti QX4. It’s not extremely rough, but quite noticeable. It doesn’t happen all the…
atraudes
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11
votes
5 answers
How can you change a pressed wheel bearing without a hydraulic press?
Is there a good way to change a pressed wheel bearing without a hydraulic press?
Clearly it's better to do it the right way, which I'm doing (well, a mechanic is doing), but I was wondering if a viable alternative would be pressing the bearing in…
Jerreck
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11
votes
5 answers
Is it bad to drive slow at low rpms in 4th or 5th gear? Do you get better gas mileage?
Obviously running your engine at too high an RPM for too long isn't good. But what about running it too low? not so low that it stalls or lugs, but within around 1,000 RPM?
Would you get better gas mileage? Would it wear out the engine or…
Jerreck
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11
votes
1 answer
Why are my turn signal lenses melting?
A couple of years ago, I bought a used 2005 Chevy Malibu. Then, just last summer, I had to replace the front turn signal bulbs on both sides twice within a month because they kept burning out. I noticed that the orange lens above the bulbs was…
Brian
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11
votes
2 answers
What vehicle does this ancient ignition coil fit?
My Father-in-Law gave this Ford branded ignition coil to me today.
I'm curious to know what vehicle it went to, and how it was hooked up originally. Can I easily determine whether it works or not without connecting it to the vehicle it was…
Adam Davis
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11
votes
1 answer
Why does my vehicle still stay in gear when I press clutch to floor?
I've read these posts but I still don't fully undestand how a clutch works.
Clutch Test
Clutch Adjust
Clutch Troubleshoot
Clutch Has Low Catch
A few weeks a go my mechanic replaced the clutch master and slave cylinder on my Toyota Tacoma 4x4. It…
zundarz
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11
votes
5 answers
How critical is it to match the stock fuel pressure regulator pressure when replacing it?
My fuel pressure regulator needs replacing, however the original part from the manufacturer is outrageously expensive. While looking for less financially painful alternatives I've seen much cheaper universal units or similar units made for other…
I have no idea what I'm doing
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