Mark Johnson
  • Member for 10 years, 1 month
  • Last seen more than 2 years ago
Easiest way to disable the A/C compressor
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13 votes

Unless the compressor is on a belt by itself, you don't want to remove the belt. Water pumps, alternators and power steering are nice things to have. An A/C delete/bypass pulley for your application ...

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Do I have an oil leak if I have to add oil?
10 votes

The oil is going somewhere. If your vehicle is not marking its territory (leaking when parked), it's probably burning it.

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Running with straight water as coolant in the summer. Is it fine?
9 votes

The main ingredient in automotive antifreeze, Ethylene glycol, has a higher boiling point when mixed with water than water alone. Wherever you live, I bet it's not Arizona or Texas. Steam voids suck,...

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How do you detect and deal with a refrigerant leak?
9 votes

The usual leak location protocol involves filling the system and trying to determine where it's coming out, either with an electronic detector wand or with a UV light (which requires putting dye in ...

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Heat only works when engine is revving and at full power
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8 votes

As for the blower only working on max, that screams resistor pack. It's usually in the passenger foot well near the blower motor itself. Sounds like it's held in by two 8mm bolts in your case. ...

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1991 Honda Civic Death by Poor Timing Belt?
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7 votes

You have the D16A6 engine. From searching various forums it seems that is an interference design. However, while valve damage is possible (probable?), it may not be certain. There do seem to be ...

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Is there a way to prop up a window that falls down?
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7 votes

If the open one is still on the track, it may stay up if you can get it get back up and pull the fuse the windows are on. If it's partially off the track (one of the rollers has popped out) or the ...

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What are the benefits of premium (high octane) petrol?
6 votes

Premium will last longer sitting in a tank. Chevrolet recommends premium for the Volt for this very reason. According to Volt Vehicle Line Director Tony Posawatz (as quoted by gm-volt.com): If ...

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Air trapped inside radiator after adding coolant
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6 votes

Here's a thread from honda-tech.com. Sounds like you should have one from the factory, but it's possible an aftermarket thermostat housing was installed minus the valve. If you really have no ...

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2004 Ford Focus engine cover would not budge after all screws are removed
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6 votes

Been there, done that on a 2.0L Zetech. Make sure you got all the bolts. I'm only seeing two holes on the bottom row (should be three, right?). Make sure nothing else is screwed into the valve ...

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Accessing Diagnostic Trouble Codes (DTCs) in car
5 votes

The 'Interpreting Trouble Codes' section (page 26) of the ELM327 Data Sheet has an example of how to fetch DTCs. You first make a mode 01 PID 01 request to determine the number of DTCs (which you'll ...

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What problems can come from AC not running for years?
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5 votes

If it was never converted to use R134a instead of R12, you're not just going to be able to charge it up yourself, since something that old probably came from the factory with R12 refrigerant. You ...

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

What about a can of battery terminal cleaner? Should be available at any parts store (aerosol can). That plus a wire brush has always worked for me. As far as order of disconnection / connection, ...

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Car not starting: How likely that it's the fuel pump?
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5 votes

I fixed a 1998 Ford Contour that wouldn't start after sitting for a while in cold weather. The problem was a corroded ground connector in the wiring at the fuel pump. A couple years later, it was ...

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Where is the battery located on a Chevrolet Cobalt and how do you change it?
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4 votes

The battery is in the trunk next to the spare tire under the carpet. You will need a 10mm socket for the bolts on the terminals and a 13mm socket for the bolt on the strap that holds it in place. A ...

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Third brake light (LED) test
4 votes

A good service manual will have extensive wiring diagrams and possibly troubleshooting procedures and connector locations. With that and a multimeter, you can easily track the problem down. I prefer ...

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1995 Mercury Mystique - No more cool air from AC
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4 votes

You can visually verify if the compressor is running by watching the clutch engage and disengage with the climate controls set to A/C. If it's engaging and immediately dis-engaging on a warm day, the ...

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P0136 Bank 1 Sensor 2 - Sensor location
4 votes

Bank 1 Sensor 2 should be the sensor downstream of the catalytic converter. Bank 1 Sensor 1 would be upstream of the catalytic converter. With a 4 cylinder, everything should be Bank 1 (No Bank 2). ...

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Installing a used ECM
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4 votes

The biggest risk in my mind is getting one that does not work. I'd be nervous about grabbing one from a boneyard, even if they'll replace a dud, going through the work of installing it to find out ...

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White smoke from tail pipe on operating temp start
4 votes

How is your coolant level? If it was dropping slowly over time, that plus the white smoke might indicate a bad head gasket. A cracked head that only leaks when warm could be it, too. Does it smell ...

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How do FRAM oil filters stand up to their competition?
4 votes

Check out Oil Filters Revealed. The Tough Guard is described by the author as 'not too bad', but I wouldn't use one on any of my vehicles. Nothing good is said about the rest of the FRAM line. The ...

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Chevy C2 brokes its valves when the timing belt is broken?
4 votes

If the engine is a non-interference design, you're fine. If it's an interference design, you've probably got engine damage from the valves being open at the wrong time and being struck by the pistons....

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How do I safely siphon gas from a tank?
4 votes

As others have pointed out, modern cars have anti-siphoning provisions. Here's an alternative: Pull the fuel pump fuse while the engine is running and let it die. That will suck the fuel out of the ...

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How can I tell which body shop is better? Replacing or repairing parts with VIN numbers
4 votes

A VIN derivative on a bumper? Really? I find that hard to believe. Even if it's true, no offense, but really, who is going to check for matching numbers on a Ford Focus? Even if they did, they're ...

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When should I get an oil change if I drive infrequently?
4 votes

If you don't drive a vehicle frequently enough and long enough, moisture will get into the oil. Following the manufacturers spec for mileage and time is usually a good idea, every X miles or Y months,...

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Low beam headlights out, High beam working
Accepted answer
3 votes

The bulb modules could actually be bad, despite both filaments coming on in high beam mode. Pull the connector at each bulb, there will be three wires: tan, green and black. The black is ground, tan ...

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Faulty Fuel Gauge
3 votes

There is a kit that contains a new sending unit, float and seal. It retails for 239.20 according to gmpartsdirect.com, they will sell it to you for $124.38. There should be an access panel in the ...

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1991 Honda Accord with intermittent brake lights
Accepted answer
3 votes

Break out the multimeter. Start at the bulbs. Verify the ground is good and then and work your way back towards the fuse box looking for an open as long as the wiring is accessible (Have a friend / ...

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2000 Ford Focus, low idle, stalling at lights, white smoke from exhaust - P0171 Code - problem?
3 votes

The factory plugs should be good for 100,000 miles / 160,000 km or so. They're ridiculously easy to change on a Zetec. If you can handle a screwdriver and a socket wrench, you can check / change ...

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01 sentra running hot
3 votes

Hopefully your mechanic would pressure test the water pump before replacing it to determine if it's really bad. Having no heat is usually a symptom of a stuck open thermostat, but if that was the ...

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