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Search: Posts Made By: ZVOLV
Forum: maintenance & nonperformance Today, 12:21 PM
Replies: 26
Views: 935
Posted By ZVOLV
Good find. I once dealt with a Ford van...

Good find.

I once dealt with a Ford van that wouldn't rev under load and it was low current to the fuel pump.
Forum: maintenance & nonperformance Yesterday, 11:23 PM
Replies: 56
Views: 1,330
Posted By ZVOLV
Good diag. Glad to help. Thanks for posting back.

Good diag. Glad to help. Thanks for posting back.
Forum: maintenance & nonperformance Yesterday, 02:29 PM
Replies: 14
Views: 424
Posted By ZVOLV
Gm g80

I think I will pull one of them apart. I think its from a 2017'ish Sierra.
Forum: maintenance & nonperformance Yesterday, 11:44 AM
Replies: 17
Views: 411
Posted By ZVOLV
I don't see how a misaligned flywheel would cause...

I don't see how a misaligned flywheel would cause NO INJECTOR PULSE.

And you don't measure to ground with a component plugged in. You are reading the ground thru the ECU at that point.
Forum: maintenance & nonperformance 02-21-2021, 02:26 PM
Replies: 14
Views: 424
Posted By ZVOLV
I have a couple GM G80's on the bench. I wonder...

I have a couple GM G80's on the bench. I wonder if the clutches are compatible with our old Volvo ones....
Forum: maintenance & nonperformance 02-20-2021, 07:32 PM
Replies: 4
Views: 256
Posted By ZVOLV
No ^ The ECU grounds the injectors. The...

No ^

The ECU grounds the injectors. The "radio interference" relay POWERS the injectors.

I don't really follow what is going on here....
Forum: maintenance & nonperformance 02-20-2021, 03:44 PM
Replies: 56
Views: 1,330
Posted By ZVOLV
I'm glad that you got one and have been using it....

I'm glad that you got one and have been using it. "Batteries not required".


Post back when you get the thing running.
Forum: maintenance & nonperformance 02-20-2021, 02:43 AM
Replies: 26
Views: 935
Posted By ZVOLV
I would pressure test the induction system. I use...

I would pressure test the induction system. I use an expensive smoke machine. The new one we have is thousands of $$$. Cheap ones are hundreds of dollars.

On the cheap, maybe rig a vacuum cleaner...
Forum: maintenance & nonperformance 02-20-2021, 02:26 AM
Replies: 56
Views: 1,330
Posted By ZVOLV
Good! It sounds like you have diagnosed a failed...

Good! It sounds like you have diagnosed a failed LH box. You have power, ground, and some type of RPM signal. An oscilloscope would show you what that 8-9V signal REALLY looks like. Square wave/sine...
Forum: maintenance & nonperformance 02-19-2021, 10:53 PM
Replies: 5
Views: 250
Posted By ZVOLV
I would reset your cam timing and ignition...

I would reset your cam timing and ignition timing.

Smoke could just be residual.
Forum: maintenance & nonperformance 02-19-2021, 04:35 PM
Replies: 56
Views: 1,330
Posted By ZVOLV
(Runs on starting fluid and NO injector pulse.) ...

(Runs on starting fluid and NO injector pulse.)

You need to confirm good power, ground and RPM signal to the LH box at this point.

For testing power circuits, USE AN INCANDESCENT TEST LAMP. A...
Forum: maintenance & nonperformance 02-19-2021, 03:13 AM
Replies: 56
Views: 1,330
Posted By ZVOLV
Injector pulse

Install a test lamp between a positive voltage source and an injector ground terminal. Crank. Blink?

Put a screwdriver handle to your ear and the tip to the injector. Crank. Click?
Forum: maintenance & nonperformance 02-18-2021, 12:31 AM
Replies: 56
Views: 1,330
Posted By ZVOLV
Get a test lamp

Get a test lamp
Forum: maintenance & nonperformance 02-17-2021, 10:32 PM
Replies: 56
Views: 1,330
Posted By ZVOLV
Do you have a test lamp? Does it run on...

Do you have a test lamp?

Does it run on starting fluid? (click my sig)

Spark, injector pulse, fuel pressure, compression, ignition and cam timing. Something is off.
Forum: maintenance & nonperformance 02-16-2021, 03:08 AM
Replies: 26
Views: 935
Posted By ZVOLV
I have had issues with loose hose clamps being...

I have had issues with loose hose clamps being tough to find.


You could spray around with various substances and see if the idle changes.


You say there was "loud boom" and NOW runs...
Forum: maintenance & nonperformance 02-15-2021, 09:55 PM
Replies: 26
Views: 935
Posted By ZVOLV
You probably have a torn hose somewhere. Common...

You probably have a torn hose somewhere. Common places are at the turbo inlet, IC outlet coupler (remove the hose and check), and the idle air hoses.


OR the common soggy turbo inlet hose sucking...
Forum: maintenance & nonperformance 02-14-2021, 01:34 PM
Replies: 4
Views: 463
Posted By ZVOLV
I use my vacuum filler for modern stuff. ...

I use my vacuum filler for modern stuff.

For the old Volvo, it isn't really needed.
Forum: performance & modifications 02-11-2021, 02:49 PM
Replies: 222
Views: 45,729
Posted By ZVOLV
What is the hertz frequency of the vibration?

What is the hertz frequency of the vibration?
Forum: performance & modifications 02-10-2021, 02:40 PM
Replies: 222
Views: 45,729
Posted By ZVOLV
What is the frequency of your vibration?

What is the frequency of your vibration?
Forum: maintenance & nonperformance 01-31-2021, 07:30 PM
Replies: 14
Views: 884
Posted By ZVOLV
I would probably put NEW side bearings on that...

I would probably put NEW side bearings on that diff. Make sure to note the location of the shims underneath the bearings.
Forum: maintenance & nonperformance 01-30-2021, 10:36 PM
Replies: 53
Views: 4,235
Posted By ZVOLV
Post.

Post.
Forum: maintenance & nonperformance 01-30-2021, 02:03 PM
Replies: 3
Views: 653
Posted By ZVOLV
I'd make sure your underhood fuse holder at the...

I'd make sure your underhood fuse holder at the battery and all your battery connections and battery cable grounds are good first. And good clean intake manifold/fuel rail grounds. (those ground some...
Forum: maintenance & nonperformance 01-30-2021, 01:53 PM
Replies: 50
Views: 2,756
Posted By ZVOLV
Your compression can check OK on a gauge even if...

Your compression can check OK on a gauge even if your cam timing is off by some teeth.

Pull the upper cover. Then use the crank SPROCKET, not the crank pulley, to set the crank timing.

As...
Forum: maintenance & nonperformance 01-29-2021, 08:53 PM
Replies: 50
Views: 2,756
Posted By ZVOLV
Or just pull the dist and reset it. The mark...

Or just pull the dist and reset it. The mark doesn't really matter.
Forum: maintenance & nonperformance 01-28-2021, 02:33 AM
Replies: 53
Views: 4,235
Posted By ZVOLV
Parasitic drain test= meter on amps DC. Anything...

Parasitic drain test= meter on amps DC. Anything more than about 20 milliamps (0.020A) would be high.

Voltage drop test- meter on volts DC- anything over about 100 millivolts (0.100V) on a loaded...
Forum: maintenance & nonperformance 01-27-2021, 09:53 PM
Replies: 53
Views: 4,235
Posted By ZVOLV
I still can't understand what is going on here. ...

I still can't understand what is going on here.

There are three wires to the alt. The large red wire (alt output), the thin red wire (the exciter) and the blue wire (the ground).


If your...
Forum: maintenance & nonperformance 01-27-2021, 03:46 PM
Replies: 53
Views: 4,235
Posted By ZVOLV
The parasitic drain test^^^^ Yes. You do it on...

The parasitic drain test^^^^ Yes. You do it on the negative side for safety. I use a special tool (basically just a battery cutoff switch. If you just connect a meter inline without protection it can...
Forum: maintenance & nonperformance 01-26-2021, 02:06 PM
Replies: 8
Views: 1,350
Posted By ZVOLV
Here is my crank sensor diagnosis thread: ...

Here is my crank sensor diagnosis thread:


http://www.forums.turbobricks.com/showthread.php?t=316065
Forum: maintenance & nonperformance 01-25-2021, 04:32 PM
Replies: 8
Views: 1,125
Posted By ZVOLV
I had my B234F oil relief stick open due to...

I had my B234F oil relief stick open due to contamination from too much pink goop used in the area.
Forum: maintenance & nonperformance 01-24-2021, 01:15 PM
Replies: 53
Views: 4,235
Posted By ZVOLV
Hilarious. Check for rotted wiring under...

Hilarious.

Check for rotted wiring under the driver carpet area for the headlight relay.

Pre-1987 Volvo is notorious for the "biodegradable wiring". It sounds like you are dealing with short...
Forum: maintenance & nonperformance 01-23-2021, 06:43 PM
Replies: 9
Views: 962
Posted By ZVOLV
Blown out trailing arm bushings will cause the...

Blown out trailing arm bushings will cause the rear end to sag. When the axle moves up or down, it also moves to the side, due to the panhard bar. That's why guys get adjustable panhard bars when the...
Forum: maintenance & nonperformance 01-23-2021, 02:09 AM
Replies: 9
Views: 962
Posted By ZVOLV
That pic is of a 740 rear end. ^^^ Has your...

That pic is of a 740 rear end. ^^^

Has your 240 been in an accident? It's an old car, so there is a good chance that it has been in an accident at one point.
Forum: maintenance & nonperformance 01-23-2021, 01:57 AM
Replies: 9
Views: 962
Posted By ZVOLV
There are no alignment adjustments for the rear....

There are no alignment adjustments for the rear. You could go put it on an alignment machine and take a look at the thrust angle.

There is probably something bent and/or blownout in the back....
Forum: maintenance & nonperformance 01-23-2021, 01:53 AM
Replies: 8
Views: 1,350
Posted By ZVOLV
The sensor makes it's own voltage. CAN YOU...

The sensor makes it's own voltage.

CAN YOU READ OBD CODES?
Forum: maintenance & nonperformance 01-23-2021, 12:07 AM
Replies: 53
Views: 4,235
Posted By ZVOLV
If your cabin is dying, I would remove and clean...

If your cabin is dying, I would remove and clean all the wires going to the positive junction block on the driver side fender.

Voltage drop test only short sections of a circuit at a time. Like...
Forum: performance & modifications 01-21-2021, 03:33 PM
Replies: 222
Views: 45,729
Posted By ZVOLV
Scope FTW

Actually, I can use the Picoscope, an accelerometer mounted to the driver seat rail, and pico NVH software connected to the DLC to diagnose driveline and engine vibrations. You enter tire size, rear...
Forum: performance & modifications 01-20-2021, 11:08 PM
Replies: 222
Views: 45,729
Posted By ZVOLV
Google "driveline working angles"

Watch some youtube videos on how to make the necessary measurements on your driveline components to avoid vibrations.

I have taken propshaft and NVH classes and really enjoy getting better at it....
Forum: maintenance & nonperformance 01-20-2021, 03:07 PM
Replies: 53
Views: 4,235
Posted By ZVOLV
Google how to do loaded voltage drop tests. Do...

Google how to do loaded voltage drop tests. Do one on your battery cables and the alt positive and ground cables.
Forum: projects & restorations 01-20-2021, 03:25 AM
Replies: 17
Views: 3,866
Posted By ZVOLV
Woodruff key.

Woodruff key.
Forum: maintenance & nonperformance 01-20-2021, 01:46 AM
Replies: 6
Views: 1,018
Posted By ZVOLV
Just flip it over and get another 3 months out of...

Just flip it over and get another 3 months out of your dollar!?
Forum: maintenance & nonperformance 01-19-2021, 02:51 PM
Replies: 5
Views: 925
Posted By ZVOLV
Yep. ^^^^^^ Some guys get away with lightly...

Yep. ^^^^^^

Some guys get away with lightly probing with a meter, or gently putting a needle in the terminal. However, the only correct way to front probe a terminal is with the proper test...
Forum: maintenance & nonperformance 01-18-2021, 11:51 PM
Replies: 5
Views: 925
Posted By ZVOLV
Check terminal tension at the ECU and the sensor....

Check terminal tension at the ECU and the sensor. Try another computer, and if that doesn't fix it, run a new circuit.
Forum: maintenance & nonperformance 01-17-2021, 04:50 AM
Replies: 53
Views: 4,235
Posted By ZVOLV
Dave P, So you have an INTERMITTENT NO...

Dave P,

So you have an INTERMITTENT NO CRANK!?

Find your meter and do voltage drop tests AND parasitic battery drain measurements.
Forum: maintenance & nonperformance 01-17-2021, 04:26 AM
Replies: 8
Views: 1,350
Posted By ZVOLV
No meter

Can you pull a 1-1-1 from both the EZK and the LH on the OBD blinky interface?
Forum: projects & restorations 01-15-2021, 06:56 AM
Replies: 251
Views: 166,359
Posted By ZVOLV
I do not agree with your method of adding a relay...

I do not agree with your method of adding a relay to the starter circuit. That makes more points of failure. You have excessive resistance somewhere in the circuit. I am going to guess at terminal...
Forum: performance & modifications 01-15-2021, 06:47 AM
Replies: 16
Views: 2,100
Posted By ZVOLV
Tire diameter changes the math.

Tire diameter changes the math.
Forum: maintenance & nonperformance 01-15-2021, 06:28 AM
Replies: 16
Views: 1,745
Posted By ZVOLV
Too little oil could seize a compressor. Too much...

Too little oil could seize a compressor. Too much could make it sluggish. There is no way to tell how much oil is left in the system. It is PROBABLY about right. I wouldn't worry about the oil...
Forum: maintenance & nonperformance 01-15-2021, 05:36 AM
Replies: 16
Views: 1,745
Posted By ZVOLV
Nope, I do all me work from the low side. There...

Nope, I do all me work from the low side. There are some high side Schrader valves that leak when disrupted and require an entire hose replacement.

Restrictions are uncommon.

I start...
Forum: maintenance & nonperformance 01-15-2021, 02:16 AM
Replies: 16
Views: 1,745
Posted By ZVOLV
Unless you are having a problem, you don't need a...

Unless you are having a problem, you don't need a high side fitting.

Just vacuum down the system, charge by WEIGHT thru the low side, and then enjoy A/C.
Forum: maintenance & nonperformance 01-15-2021, 02:06 AM
Replies: 5
Views: 1,456
Posted By ZVOLV
IDK

Try the LAST ONE in that manual. Connect SIG on your meter to the terminal on the back of the cluster that transfers the speed signal to the ECM. Or maybe there is a terminal on the back of a 740...
Showing results 1 to 50 of 300

 
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