0
votes
0answers
1 view

Cylinder leak down test to detect oil leakage

My 2007 Tacoma loses about 3.5 qt of oil out of 5 every about 1500 mi. I know it's low because the engine starts periodically rattling, I don't know which part but it's 100% correlated to the low oil ...
1
vote
1answer
7 views

Tires squealing when braking

When I apply the brakes at high speeds, not lightly but not enough for them to lock up, my tires squeal. I believe the sound is coming from the tires and not the brakes at all. One thing to note is ...
2
votes
2answers
9 views

Engine oil sludge

My question is, have ever heard of it making engine oil gel, or turn sludgy if you can call that a word? I haven't, but 05 Chevy Equinox I'm servicing had this happen. Not sure if it started before or ...
1
vote
0answers
4 views

Tmec 50QT-2 scooter wont start

In need help before I have to be sent to a mental hospital lol. I have a Tmech 50QT-2 scooter (Chinese type). The scooter revs when using the electronic start button and or the kick start but it ...
2
votes
1answer
18 views

Interface tracking device with OBD II (or alternative sources of data)

I have recently been working on writing software for some very small tracking devices. I decided to take on an electronics engineer and start building some boards myself using a GPS/GPRS module. I ...
5
votes
1answer
209 views

Does engine braking an automatic wear out the transmission?

My question is a variation on these two: Engine braking with an automatic transmission What are the “1” and “2” or “L” gears used for on an automatic? I recently bought an automatic transmission ...
2
votes
1answer
13 views

Does a full fuel tank speed up the CEL turning off after changing the fuel cap?

Consider this scenario: The CEL (check-engine light) is on. The fuel cap is subsequently replaced. The fuel tank is half full. I am wondering: Is it advantageous to fill the tank to the top to ...
4
votes
1answer
29 views

Inside temperature reading 13 degrees lower than actual outside temperature - what could be the problem?

I have a 2006 Nissan Sentra. Its inside temp is reading 58 degrees when it is actually 71 degrees outside. What could be the problem? Also, I just changed the thermostat today.
7
votes
2answers
254 views

Can't start a Kawasaki GPX 750

I'm in the process of getting my 1986 Kawasaki GPX 750 back in running condition. The bike was sitting in the garage for two years. In this period it wasn't started even once. Two years ago the engine ...
2
votes
2answers
27 views

Overheating and more

Hi I have a 2000 Buick park ave v6 3800 series and the problem started as a small leak in the radiator from the little drain plug so I righted that and the leak moved to the whole opposite side of the ...
3
votes
0answers
31 views

Car bounces back and forth after shifting

I've been having this issue for a while on my 1999 Volvo V40 T4 manual. Whenever I shift and release the clutch quickly, the car often does this nasty bounce: the car hesitates a bit for a split ...
5
votes
1answer
33 views

Have any systems been created for electric cars to intentionally reduce torque in icy conditions?

So, I daydream quite a bit about owning a Tesla Roadster, then it hit me. What happens when it's icy and I need to go get groceries? Well, in my Lotus Elise, I could easily just pop the thing in ...
2
votes
1answer
21 views

Gear Shifting from Neutral to Drive

Kindly, I am facing a problem in my gear, when I am shifting the Gear from Neutral to Drive. When I am shifting from N to D ( meaning the Status now " Drive ") the car Screen show that the Gear is ...
3
votes
1answer
31 views

Will I damage my car if I don't fix evaporator core leak?

Pretty sure my evaporator core has a leak, super expensive to fix. Can I just charge it 3 times a year or so? Is this going to damage my car?
2
votes
0answers
24 views

Hydraulic steering goes left but not right

I am working on a project with a group of friends. We have built a vehicle using a hydraulic orbital steering valve from an old ditch witch. The vehicle goes left but not right. There are 5 ports on ...
9
votes
5answers
1k views

Is it okay to splice a backup camera into the reverse lights?

I saw another thread that was similar, but it didn't a definitive or clear answer on the matter. I'll be brief. I want to install a Nexus 7 (2012) tablet in the dash of my car. I want it to be able ...
3
votes
0answers
11 views

Volvo V60/S60 <2012 LED bulb replacement

The LED bulb unit that sits between the headlamp assembly and the rad has gone. I have bought a new complete unit (two led strips inside) but cannot see how to unplug the old one and plug in the new ...
8
votes
4answers
2k views

What are the “1” and “2” or “L” gears used for on an automatic?

In a car with an automatic transmission, we are normally greeted by the acronym PRNDL, or in some cases (older cars) PRND21. I know that the L, 1, or 2 will cause the transmission to stay in a ...
7
votes
1answer
38 views

Prepare car for long distance towing

I'm moving soon and will be towing my car (2003 Honda Civic EX w/ automatic transmission) about 1,600 miles. The car will be towed behind a box truck on a trailer, i.e. the wheels will not be on the ...
2
votes
1answer
26 views

I think my clutch is failing, how can I tell what needs to be replaced?

I have a 2000 Mazda Protege with a 5-speed manual transmission. In recent months, I have noticed something that I believe is the clutch slipping. Sometimes when I am accelerating to highway speeds, ...
4
votes
3answers
250 views

Do I have to reprogram the ABS module to fix the ABS light on 528i BMW?

I'm not sure if this is true but I've heard that in order to fix my ABS light, they have to remove the module and send it out to reprogram. Is this true?
3
votes
2answers
49 views

Shifting on a motorbike by preloading

I have a few different questions that popped into my head after reading about preloading the shifter in motorbikes, here's one of three: Shifting between 1st and 2nd on a motorbike - will the bike ...
3
votes
1answer
30 views

Can a lightning strike cause your car to not run?

If lightning strikes a tree in your yard and your car is close by, can this cause your car to not work properly? I had an employee call in stating that lightning struck a tree beside their mobile ...
7
votes
1answer
48 views

Meaning of relay acronyms: H-LP, E/G, DIM etc

I'm trying to get to know my fuse and relay boxes better. They're labelled, but the labels are mostly acronyms and shorthand, and googling any particular acronym gives a lot of mentions of common ...
5
votes
1answer
51 views

Tire slash or blowout on 2005 Corvette

My dad is convinced someone slashed his tire at work, but I think this could be a blowout. Is there any way to tell the difference from looking at the tire? Does this look like a slash or a blowout, ...
5
votes
1answer
43 views

Transmission disengages itself

Seems like my car disengage itself from drive to neutral while in motion. I drive a 2004 Honda Accord. When in drive and in motion, the car starts slowing down even with my foot on accelerator. It ...
15
votes
2answers
1k views

What are the dangers of refilling your air conditioner yourself?

Both of the Haynes manuals for my cars list refilling the refrigerant in your car as a do it yourself procedure. Both vehicles use R-134a refrigerant and the manual shows them being recharged with a ...
3
votes
0answers
35 views

Motorcycle dumping coolant from tailpipe

I'm in the process of getting my 1982 Honda Magna back in running condition. I've cleaned out the carb and put in a new battery. It now runs, but dumps a TON of coolant out the tailpipe. Almost a ...
0
votes
4answers
67 views

How fast is one RPM on average?

I know this depends on a lot of factors but I heard a revolution can happen in 0.02 second is this the case? I can't even stop my stop watch that fast?
3
votes
1answer
15 views

Overheating 98 Subaru Legacy Outback EJ 25

I bought this car about a month ago with an overheating problem it couldn't travel for 3 miles without overheating after replacing the thermostat and gasket. The previous owners cut away the ...
4
votes
0answers
30 views

Help installing LED tail lights [duplicate]

I just ordered LED tail lights for my Jeep (made by KC, not something super sketchy). I used to have LED turn signals up front (before I realized they looked aweful). I remember that the LED turn ...
5
votes
1answer
35 views

What would be the need for more than 2 ground wires in any car, truck, suv, van?

With the understanding that most all vehicles have at least 2 grounds wires, what items would add to the list of minimum requirements for a safe grounding system. An 'item' is defined as an object ...
3
votes
1answer
42 views

What is a vibrator on a Model T ignition coil for?

In this post here What vehicle does this ancient ignition coil fit? there is a device that is cited in @paulster2's response that is called a 'vibrator'. Here's the diagram from his answer where ...
3
votes
0answers
26 views

Slow speed crunch/pop sound?

Having this issue that started recently. Hearing and feeling in the steering wheel and pedals crunch/pop sound when rolling slowly. On/off brakes doesn't seem to matter. In gear/off gear doesn't ...
4
votes
1answer
19 views

Overfilled my B&S 725ex self propelled lawmower

I overfilled my B&S 725ex self propelled lawnmower. I cut front yard no problem. Yesterday I went to cut back yard. I realized I had overfilled it with oil. I drained oil refilled to proper level ...
7
votes
1answer
43 views

How to check if spark plugs are firing? Coil-on plugs

While trying to diagnose a tricky car not starting problem I was asked to check if the spark plugs were firing at all. I've found plenty of resources on inspecting the condition of spark plugs after ...
7
votes
1answer
61 views

Ford Focus won't crank no clicking light on dash come on.

Okay so I have a 2000 Ford Focus 5 speed. I was coming off the interstate and hit a bump and the car shut off. All the light on dash come on even the radio but it won't crank. Not even clicking. I've ...
10
votes
2answers
787 views

How to test a bolted-in heavy duty 50a / 80a / 100a fuse with a multimeter without removing it?

I want to check if this particular 50 amp fuse on a RAV4 (1998 first generation) is blown or not. Just looking, it's hard to tell because of what I assume are blue-green deposits on copper (this is ...
10
votes
1answer
342 views

How to remove the 50 amp, 80 amp and 100 amp fuses from the positive terminal of a RAV4?

I want to check the fuses at the positive battery connection of my 1998 (first generation) Toyota RAV4. Visually, the 80a and 100a look fine, but the 50a has blue deposits and I can't tell if it's ...
3
votes
1answer
20 views

Corsa D Stuttering Accelaration with Malfunction Light flashing

I have a 1.2l Vauxhall Corsa D (62 plate) that has done 63K miles. A problem has developed over the last day or two that is becoming a concern, and has got worse over the last 24 hours. Whilst ...
4
votes
1answer
38 views

2010 Ford Taurus in neutral has higher idle speed

I have this question which really puzzles me. I'm from Europe and used to drive manual. I used to shift to neutral going down the hill to save on gas. Now I moved to the USA and I have cars that use ...
6
votes
2answers
78 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 ...
7
votes
4answers
110 views

Do no-name tires go through thorough testing?

Tire (tyre) brands come in three categories: Major brands that advertise extensively Relatively unknown brands that are actually made by the major brands Relatively unknown brands that are ...
8
votes
2answers
154 views

Minor boost leak and shrill tone at peak boost: hose clamp, gasket or blow off valve?

Vehicle in question: 2004 Subaru WRX wagon. This weekend, I replaced the intercooler hose (y-shaped upset the intercooler), the throttle body hose and the blowoff valve hose (routes the over boost ...
6
votes
2answers
56 views

Why should I back off all valve lash adjusters until valves are closed when changing a head gasket?

My Suzuki Swift 01 is leaking coolant. I'm trying to change the head gasket. I've gotten as far as taking the camshaft cover off. See this picture: I'm not sure what Step 11, "Back off all valve ...
8
votes
2answers
279 views

How to test if oil is leaking into combustion chambers?

How can I test whether oil is leaking into cylinder combustion chambers and getting burnt in case of oil level loss? As opposed to, for example, leaking through the oil pan or the timing chain cover.
5
votes
2answers
34 views

Fixing a gasket oil/transmission fluid leak with epoxy glue - possible reaction with oil?

I'm in Sierra Leone where mechanics have an impressive flair for improvising with limited resources, but a lack of formal training and a cavalier attitude to long term safety. I've had a transmission ...
4
votes
1answer
32 views

Heavy noise from the tappet of my RE Classic 350

I own a Royal Enfield Classic 350 (2014 model). After completing 10000 km, I started hearing an irritating sound from the tappet (service guys says so). At that time it didn't last long, so I thought ...
5
votes
1answer
31 views

Starter stays engaged

Have a 2000 f350 7.3 super duty. The starter stayed engaged and I was unable to turn off the motor, although turning the ignition back to off, the starter stayed on. Ultimately the starter burned out ...
2
votes
2answers
33 views

1991 Celica with 3SGTE motor been sitting for a year- what can I expect? [duplicate]

I'm about to buy a 1991 Celica with a 3SGTE motor swapped in, and it's been sitting for a year. The ad says it runs, but are there things I should do immediately upon buying the car? I was planning on ...

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