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Search: Posts Made By: ZVOLV
Forum: maintenance & nonperformance Today, 01:57 PM
Replies: 12
Views: 446
Posted By ZVOLV
A meter between the two pins, engine running, is...

A meter between the two pins, engine running, is not a good method.

You can use a noid light, or a test light between a positive source, like the positive wire, and the ground wire should blink....
Forum: maintenance & nonperformance Today, 10:32 AM
Replies: 5
Views: 116
Posted By ZVOLV
Oh yeah, I forgot about late model euro cars have...

Oh yeah, I forgot about late model euro cars have a cabin mounted OBD terminal. I also forget if a special tool is needed. Most likely. Without a special tool, you could manually go to the EZK box...
Forum: maintenance & nonperformance Today, 02:13 AM
Replies: 5
Views: 116
Posted By ZVOLV
Step one: eliminate megajizz from the equation. ...

Step one: eliminate megajizz from the equation.

Then, on your car, I would probably look for codes in the OBD black box on the strut tower. Pin 6 is the EZK, pin 2 is LH. Is EZK alive or dead!?...
Forum: maintenance & nonperformance Yesterday, 07:09 PM
Replies: 6
Views: 151
Posted By ZVOLV
Terminals can experience fretting and just...

Terminals can experience fretting and just messing with them can make the contact ok again.
Forum: maintenance & nonperformance Yesterday, 07:08 PM
Replies: 27
Views: 241
Posted By ZVOLV
Spark at the king lead doesn't mean spark at the...

Spark at the king lead doesn't mean spark at the plugs. If its not firing on alternate fuel and has spark at all 4 plug wires, it's mechanical. Like a timing belt jumped.
Forum: maintenance & nonperformance Yesterday, 02:53 PM
Replies: 17
Views: 181
Posted By ZVOLV
You messed up. Shouldn't have cut that. You may...

You messed up. Shouldn't have cut that. You may have luck carefully heating it with a heat gun and blow dryer on both pieces. And some Vaseline.
Forum: maintenance & nonperformance Yesterday, 02:36 PM
Replies: 27
Views: 241
Posted By ZVOLV
Tach not moving doesn't mean much. Some are wired...

Tach not moving doesn't mean much. Some are wired that way.

What you need to do is basic diag like using a spark tester for $5, a spare spark if, a timing light, test light, scope, or anything to...
Forum: maintenance & nonperformance Yesterday, 10:15 AM
Replies: 5
Views: 178
Posted By ZVOLV
Try cleaning the MAF. It can't really hurt.

Try cleaning the MAF. It can't really hurt.
Forum: maintenance & nonperformance Yesterday, 10:12 AM
Replies: 27
Views: 241
Posted By ZVOLV
Bad crank sensor can still cause a spark-no...

Bad crank sensor can still cause a spark-no start. The ignition timing can be way off from a dying sensor.

You have to clear flood first before brake cleaner will work.
Forum: maintenance & nonperformance 01-15-2018, 02:41 PM
Replies: 12
Views: 231
Posted By ZVOLV
When the pnp switch goes out the arrow blinks and...

When the pnp switch goes out the arrow blinks and you start in third.
Forum: maintenance & nonperformance 01-15-2018, 02:38 PM
Replies: 11
Views: 194
Posted By ZVOLV
Vice grips.

Vice grips.
Forum: maintenance & nonperformance 01-14-2018, 11:05 AM
Replies: 5
Views: 226
Posted By ZVOLV
Pull the accordion hose and check for tears....

Pull the accordion hose and check for tears. Reinstall so it's not running anything

Smoke test is great for finding air leaks.
Forum: maintenance & nonperformance 01-14-2018, 11:02 AM
Replies: 13
Views: 415
Posted By ZVOLV
Awesome!!! Glad we could help.

Awesome!!! Glad we could help.
Forum: maintenance & nonperformance 01-12-2018, 11:20 PM
Replies: 19
Views: 471
Posted By ZVOLV
http://www.forums.turbobricks.com/picture.php?albu...

http://www.forums.turbobricks.com/picture.php?albumid=368&pictureid=2963
Forum: performance & modifications 01-11-2018, 01:45 PM
Replies: 54
Views: 2,120
Posted By ZVOLV
Los Angeles: ...

Los Angeles:

https://www.ccair.org/wp-content/uploads/2016/10/LA-smog.jpg
Forum: maintenance & nonperformance 01-11-2018, 11:06 AM
Replies: 10
Views: 345
Posted By ZVOLV
Do NOT put a cheap auto parts store one on there....

Do NOT put a cheap auto parts store one on there. My oreilly $35 lifetime warranty pumps failed three times in a row, quickly. My Hepu is going strong. Be prepared for a rusty coolant pipe which may...
Forum: maintenance & nonperformance 01-10-2018, 04:27 PM
Replies: 8
Views: 195
Posted By ZVOLV
It could be a bad ground and the voltage is...

It could be a bad ground and the voltage is backfeeding thru the fuel pump relay. Or maybe not.

This could take even a pro a few hours to figure out. I would start with a wiring diagram, or even...
Forum: maintenance & nonperformance 01-10-2018, 12:55 PM
Replies: 5
Views: 172
Posted By ZVOLV
Start with codes. Current and history. Get scan...

Start with codes. Current and history. Get scan tool on there and monitor cam and crank data and see if there there are any other data PIDs that show anything anamolous.

If I had a project OBD 2...
Forum: maintenance & nonperformance 01-10-2018, 10:07 AM
Replies: 13
Views: 415
Posted By ZVOLV
Bougicord wires are great. I wouldn't put too...

Bougicord wires are great. I wouldn't put too much faith in resistance specs.

Which cat do you have on there now and how old is It?

A three way cat cleans up all THREE pollutants.
Forum: maintenance & nonperformance 01-10-2018, 02:27 AM
Replies: 13
Views: 415
Posted By ZVOLV
I may become a smog repair and/or inspection...

I may become a smog repair and/or inspection technician soon. 5 gas analysis can be tricky. I would like to get better at it, but it's becoming obsolete. Its also not as straightforward as many...
Forum: maintenance & nonperformance 01-08-2018, 11:12 PM
Replies: 19
Views: 401
Posted By ZVOLV
Did you machine the head or at check it for...

Did you machine the head or at check it for straightness?
Forum: maintenance & nonperformance 01-07-2018, 12:45 PM
Replies: 5
Views: 226
Posted By ZVOLV
Look at the wiring diagram. Looking at it,...

Look at the wiring diagram.

Looking at it, the MAF shares the same blue/yellow power wire as the ECU. Therefore, if you went to the maf and checked for power there with a test light....you should...
Forum: maintenance & nonperformance 01-07-2018, 12:02 PM
Replies: 5
Views: 226
Posted By ZVOLV
You will need to get a wiring diagram. Google it....

You will need to get a wiring diagram. Google it. It comes right up: the circuit for the efi/fuel pump relay

Or, what came to mind, is the fuse by the battery. Is this a pre 1992 240?

Get a...
Forum: maintenance & nonperformance 01-07-2018, 11:52 AM
Replies: 43
Views: 1,495
Posted By ZVOLV
I just got a large jaw amp clamp to connect to...

I just got a large jaw amp clamp to connect to oscilloscopes to do relative compression testing. Next time I suspect a dead hole deep in an engine and I don't wanna pull the plugs...busting out the...
Forum: maintenance & nonperformance 01-07-2018, 11:41 AM
Replies: 6
Views: 319
Posted By ZVOLV
Just leave it on your desk to fail emissions...

Just leave it on your desk to fail emissions testing.
Forum: maintenance & nonperformance 01-07-2018, 11:38 AM
Replies: 4
Views: 281
Posted By ZVOLV
Give it some acoustic tuning. (smack dash with...

Give it some acoustic tuning. (smack dash with fist.)
Forum: maintenance & nonperformance 01-07-2018, 11:28 AM
Replies: 49
Views: 846
Posted By ZVOLV
:woowoo:

:woowoo:
Forum: maintenance & nonperformance 01-06-2018, 01:44 PM
Replies: 43
Views: 1,495
Posted By ZVOLV
I am starting to use my LED test light more and...

I am starting to use my LED test light more and more. Recently, I confirmed an ECU controlled circuit with a bidirectional scan tool and my LED test light and confirmed the power wire was good and...
Forum: performance & modifications 01-06-2018, 01:02 AM
Replies: 19
Views: 533
Posted By ZVOLV
http://www.forums.turbobricks.com/picture.php?albu...

http://www.forums.turbobricks.com/picture.php?albumid=359&pictureid=2923

http://www.forums.turbobricks.com/picture.php?albumid=359&pictureid=2927
Forum: performance & modifications 01-06-2018, 01:00 AM
Replies: 19
Views: 533
Posted By ZVOLV
Just leave the pinion gear alone, swap the...

Just leave the pinion gear alone, swap the carrier bearings AND races over from the donor car, swap your ring gear over from YOUR car and you should have great luck. Measure backlash, or just skip if...
Forum: maintenance & nonperformance 01-05-2018, 06:26 PM
Replies: 49
Views: 846
Posted By ZVOLV
It depends on how bad your bushings are!

It depends on how bad your bushings are!
Forum: maintenance & nonperformance 01-05-2018, 05:09 PM
Replies: 49
Views: 846
Posted By ZVOLV
Try manually slapping 12v to the exciter terminal...

Try manually slapping 12v to the exciter terminal via a jumper wire from battery positive or alt positive. It only needs one slap per drive.

The exciter wire commonly goes bad underneath the...
Forum: maintenance & nonperformance 01-05-2018, 12:24 PM
Replies: 49
Views: 846
Posted By ZVOLV
"Some alternators are mounted in rubber bushings...

"Some alternators are mounted in rubber bushings and have a separate ground strap. If so equipped, be sure to check the voltage drop across this strap, too."
...
Forum: maintenance & nonperformance 01-05-2018, 10:41 AM
Replies: 43
Views: 1,495
Posted By ZVOLV
Ok so you have now pierced the washer pump wiring...

Ok so you have now pierced the washer pump wiring and registered 12v between the positive and negative wire, while pressing the switch. Pump is not operating. Replace the pump?

How do you know...
Forum: maintenance & nonperformance 01-05-2018, 10:36 AM
Replies: 49
Views: 846
Posted By ZVOLV
Nice nice nice!

Nice nice nice!
Forum: maintenance & nonperformance 01-04-2018, 10:32 PM
Replies: 43
Views: 1,495
Posted By ZVOLV
So let's say you want to verify if a washer pump...

So let's say you want to verify if a washer pump circuit is good....take out the meter? Ok so you measure 12v at the pump wiring between positive and the negative. Is the circuit OK?
Forum: maintenance & nonperformance 01-04-2018, 06:58 PM
Replies: 25
Views: 862
Posted By ZVOLV
My VDO is going strong years later on my 240.

My VDO is going strong years later on my 240.
Forum: maintenance & nonperformance 01-04-2018, 05:18 PM
Replies: 49
Views: 846
Posted By ZVOLV
I do this professionally every day. I have...

I do this professionally every day. I have professional training and certificates.

Wasting your own money on misdiag is one thing, but imagine if you were my customer and I sold you a $400 alt...
Forum: maintenance & nonperformance 01-04-2018, 04:52 PM
Replies: 49
Views: 846
Posted By ZVOLV
Good point about voltage AND current. That's why...

Good point about voltage AND current. That's why I have been ranting about using a test lamp instead of a voltmeter to confirm there is enough juice in a circuit. I have measured 12v before on a...
Forum: maintenance & nonperformance 01-04-2018, 12:53 PM
Replies: 49
Views: 846
Posted By ZVOLV
Thats why I said to learn how to do voltage drop...

Thats why I said to learn how to do voltage drop tests. Look it up. That ground wire on a 240 commonly goes bad from heat and oil leaks.

One day you may get to the point where you skip the dudes...
Forum: maintenance & nonperformance 01-04-2018, 10:55 AM
Replies: 12
Views: 368
Posted By ZVOLV
I know the auto climate control head on the 7 and...

I know the auto climate control head on the 7 and 9 was somewhat common to fail. Intermittent points more towards electronics than a mechanical failure.

You are going to have to spend some time...
Forum: maintenance & nonperformance 01-04-2018, 10:51 AM
Replies: 43
Views: 1,495
Posted By ZVOLV
The test light

I have been formally trained to use the test light to verify circuit operation.


A good use of a dvom is to check for more than 5 ohms resistance in a ground circuit. Or another example is...
Forum: maintenance & nonperformance 01-03-2018, 11:25 PM
Replies: 2
Views: 212
Posted By ZVOLV
Looked at a diagram since it's been a...

Looked at a diagram since it's been a while....looks like the parts all drop out individually. Then you destroy, or press the old ones out, and then use a press to get them back in.
Forum: maintenance & nonperformance 01-03-2018, 09:55 PM
Replies: 17
Views: 420
Posted By ZVOLV
I would research what controls the warm air and...

I would research what controls the warm air and then go activate it manually. 940 is old enough where it's likely still vacuum controlled. Go in there with a hand pump or your mouth and apply vac to...
Forum: maintenance & nonperformance 01-03-2018, 09:53 PM
Replies: 12
Views: 368
Posted By ZVOLV
If I had a car with poor heat the first thing I...

If I had a car with poor heat the first thing I would suspect is a blend door. Not sure how it works on these cars, but I would research it and manually go in there and open valves/doors by hand and...
Forum: maintenance & nonperformance 01-03-2018, 11:44 AM
Replies: 49
Views: 846
Posted By ZVOLV
I have had them where they charge ok, but let's...

I have had them where they charge ok, but let's say on a BMW, where the instrument cluster warning message will still be on.
Forum: maintenance & nonperformance 01-03-2018, 11:08 AM
Replies: 49
Views: 846
Posted By ZVOLV
You can also do voltage drop tests on the ground...

You can also do voltage drop tests on the ground wire.
The crimps on the ground wires go bad underneath the insulation where you can't see it.


It's likely a bad reman alt.
Forum: maintenance & nonperformance 01-02-2018, 09:19 PM
Replies: 4
Views: 308
Posted By ZVOLV
Passenger seat foam works. These cars...

Passenger seat foam works.

These cars commonly leak from the windshield.
Forum: maintenance & nonperformance 01-02-2018, 09:01 PM
Replies: 17
Views: 420
Posted By ZVOLV
It could be anything from low coolant level, to...

It could be anything from low coolant level, to inop coolant valve in heater hose, to intermittent climate control systems. I would start with the easy stuff like monitoring the valve in the heater...
Forum: maintenance & nonperformance 01-02-2018, 06:34 PM
Replies: 49
Views: 846
Posted By ZVOLV
Did you remember to install the ground wire?

Did you remember to install the ground wire?
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