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Search: Posts Made By: ZVOLV
Forum: maintenance & nonperformance Yesterday, 03:38 PM
Replies: 7
Views: 835
Posted By ZVOLV
Put it back to stock and recheck.

Put it back to stock and recheck.
Forum: performance & modifications 09-14-2021, 02:43 PM
Replies: 19
Views: 3,744
Posted By ZVOLV
The highest octane fuel you can get. You...

The highest octane fuel you can get.

You will wanna fix all the soggy hoses and leaking vacuum lines. Maybe clean the injectors professionally.
Forum: performance & modifications 09-14-2021, 11:59 AM
Replies: 19
Views: 3,744
Posted By ZVOLV
Get a used 15G/16T turbo from Swedish Iron and a...

Get a used 15G/16T turbo from Swedish Iron and a wastegate bracket from yoshifab.

You will be blowing that old headgasket in no time!
Forum: maintenance & nonperformance 09-04-2021, 02:27 PM
Replies: 10
Views: 477
Posted By ZVOLV
Everybody should have a TEST LAMP

Did you reground the wires at the fuel rail? Those are for the ECM.

Install a test lamp BACKPROBED into the fuel injector connectors (peel back the boot) Key on- lamp should be lit. Crank- lamp...
Forum: maintenance & nonperformance 09-04-2021, 02:00 PM
Replies: 14
Views: 621
Posted By ZVOLV
An engine can run with the battery removed, but...

An engine can run with the battery removed, but you aren't supposed to do it. That being said, I think I recall my old 740 stalling at stoplights from loose battery cables.

I also work on certain...
Forum: maintenance & nonperformance 09-04-2021, 01:55 PM
Replies: 10
Views: 477
Posted By ZVOLV
Remove the upper timing cover and look down into...

Remove the upper timing cover and look down into the lower cover with a strong flashlight. There is a notch on the belt guide and line it up with the raised ridge on the engine.
Forum: maintenance & nonperformance 09-03-2021, 08:17 PM
Replies: 14
Views: 621
Posted By ZVOLV
Is your battery secured? Crappy battery terminals?

Is your battery secured? Crappy battery terminals?
Forum: maintenance & nonperformance 09-03-2021, 02:43 PM
Replies: 14
Views: 621
Posted By ZVOLV
Wiggle test the wiring

Wiggle test the wiring
Forum: maintenance & nonperformance 09-03-2021, 02:32 PM
Replies: 11
Views: 1,402
Posted By ZVOLV
I know these cars burn valves up. What's the...

I know these cars burn valves up.

What's the result of the cylinder drop test?
Forum: maintenance & nonperformance 09-03-2021, 01:02 AM
Replies: 17
Views: 3,030
Posted By ZVOLV
A/C leak

I would bring it back to the shop and have them recover it. The machine will weigh how much is evacuated.

With an old car, you could have leaks anywhere, but the condenser is the first place I...
Forum: performance & modifications 08-27-2021, 05:13 PM
Replies: 23
Views: 1,426
Posted By ZVOLV
A cracked/melted turbine housing can cause low...

A cracked/melted turbine housing can cause low boost.
Forum: maintenance & nonperformance 08-24-2021, 03:56 PM
Replies: 6
Views: 1,255
Posted By ZVOLV
I've seen bunk reman generators right outta the...

I've seen bunk reman generators right outta the box.
Forum: maintenance & nonperformance 08-24-2021, 02:09 PM
Replies: 6
Views: 1,255
Posted By ZVOLV
It doesn't sound like you are doing the parasitic...

It doesn't sound like you are doing the parasitic drain test correctly.

You should NOT just connect a meter between a loose cable and the battery terminal. You can blow the fuse in your meter and...
Forum: maintenance & nonperformance 08-24-2021, 11:13 AM
Replies: 11
Views: 1,402
Posted By ZVOLV
I would try to look at fuel trims with a scan...

I would try to look at fuel trims with a scan tool, but on a 97 850 you would probably need VIDA. Misfire counter would be great too.


You can try to spray around with brake cleaner and listen...
Forum: maintenance & nonperformance 08-24-2021, 12:07 AM
Replies: 11
Views: 1,402
Posted By ZVOLV
An air leak could be the problem.

An air leak could be the problem.
Forum: maintenance & nonperformance 08-16-2021, 11:29 PM
Replies: 20
Views: 3,417
Posted By ZVOLV
Unplug the TPS and the ECT connectors. Unplug the...

Unplug the TPS and the ECT connectors. Unplug the ECU/EZK boxes and remove the sheaths. BACKPROBE the connectors and confirm less than about 2 ohms tip to tip. I like to see 0.3 ohms on the ol Fluke...
Forum: maintenance & nonperformance 08-16-2021, 03:58 PM
Replies: 20
Views: 3,417
Posted By ZVOLV
I forget, can the IAC plug be crossed with the...

I forget, can the IAC plug be crossed with the TPS plug?

I would peel back the boot on each connector and inspect the terminal crimps for corrosion. You also wanna check each wire on the circuit...
Forum: maintenance & nonperformance 08-12-2021, 09:24 PM
Replies: 21
Views: 3,956
Posted By ZVOLV
Just slam the pinion nut on with a strong gun,...

Just slam the pinion nut on with a strong gun, counter-holding the pinion flage with your bare hand, and then FEEL the preload. No English or Metric units needed.
Forum: maintenance & nonperformance 08-09-2021, 09:46 PM
Replies: 21
Views: 3,956
Posted By ZVOLV
Pinion bearings get a pre-load measurement, NOT a...

Pinion bearings get a pre-load measurement, NOT a torque spec.

It is the amount of force required to turn the pinion flange. It isn't very much force.
Forum: maintenance & nonperformance 08-02-2021, 08:33 PM
Replies: 20
Views: 1,615
Posted By ZVOLV
When I worked at Volvo, the guys had whiteblock...

When I worked at Volvo, the guys had whiteblock timing belts down to under 30 minutes. Re-time it and see what happens.
Forum: maintenance & nonperformance 08-02-2021, 01:40 PM
Replies: 20
Views: 1,615
Posted By ZVOLV
I would get a fresh belt and tensioner and put it...

I would get a fresh belt and tensioner and put it together and hope for the best.

Three teeth probably isn't enough to bend the valves, but you don't know how much it has jumped all together. You...
Forum: maintenance & nonperformance 08-02-2021, 10:04 AM
Replies: 16
Views: 1,352
Posted By ZVOLV
Unless you have an injector or a machine that...

Unless you have an injector or a machine that injects the oil, you gotta just dump it in an opening.
Forum: maintenance & nonperformance 08-02-2021, 10:03 AM
Replies: 20
Views: 1,615
Posted By ZVOLV
Have you confirmed the crank mark aligns with the...

Have you confirmed the crank mark aligns with the cam marks?
Forum: maintenance & nonperformance 08-01-2021, 05:12 PM
Replies: 20
Views: 1,615
Posted By ZVOLV
You can HEAR no compression. It would be cranking...

You can HEAR no compression. It would be cranking fast.

Low/no compression on all 6 cylinders=no bueno. If your compression, ignition, timing were good it would run on starting fluid.

The...
Forum: maintenance & nonperformance 08-01-2021, 03:59 PM
Replies: 20
Views: 1,615
Posted By ZVOLV
Does it run on starting fluid? Click my sig....

Does it run on starting fluid? Click my sig. Clear flood, disable fuel, try starting fluid.
Forum: maintenance & nonperformance 08-01-2021, 03:40 PM
Replies: 16
Views: 1,352
Posted By ZVOLV
You only need a high side port for diagnosis. I...

You only need a high side port for diagnosis. I do all my A/C repairs thru the low side. I would probably just add 2 oz of ester oil in there for good measure.

I use an oil injector, but you can...
Forum: maintenance & nonperformance 08-01-2021, 03:33 PM
Replies: 19
Views: 1,550
Posted By ZVOLV
Yeah on a old car like this, I would expect about...

Yeah on a old car like this, I would expect about a 5-7 milliamp draw normally.

And buy a switch for $5 and put a post/screw into each side of the switch to clip leads onto. On a modern car with...
Forum: maintenance & nonperformance 08-01-2021, 03:05 PM
Replies: 19
Views: 1,550
Posted By ZVOLV
If you don't have a switch, you can just use a...

If you don't have a switch, you can just use a jumper wire. Connect a jumper wire to a disconnected cable terminal and the battery terminal, connect the meter, then remove the jumper wire. It's...
Forum: maintenance & nonperformance 08-01-2021, 01:30 AM
Replies: 19
Views: 1,550
Posted By ZVOLV
It sounds like you have a bad battery.

It sounds like you have a bad battery.
Forum: maintenance & nonperformance 07-31-2021, 08:39 PM
Replies: 19
Views: 1,550
Posted By ZVOLV
I use a special tool to do parasitic battery...

I use a special tool to do parasitic battery drains. It is just a cutoff switch. You connect your meter, THEN open the switch. That way, there is less of a chance of the draw going away and a...
Forum: maintenance & nonperformance 07-30-2021, 06:21 PM
Replies: 20
Views: 1,615
Posted By ZVOLV
You can just pull a plug, install it in the coil...

You can just pull a plug, install it in the coil and lay it against a good ground.

I would check spark on all 6 cylinders. It has two ignition amplifiers. It may not start on 3 cylinders.

Got...
Forum: maintenance & nonperformance 07-25-2021, 01:07 AM
Replies: 17
Views: 3,865
Posted By ZVOLV
You may find it pegged lean at 0.1V or pegged...

You may find it pegged lean at 0.1V or pegged rich at 0.9V. Check after engine has run for several minutes.

The ECM sounds suspect.
Forum: maintenance & nonperformance 07-25-2021, 12:29 AM
Replies: 17
Views: 3,865
Posted By ZVOLV
What's the O2 voltage when the issue is present?

What's the O2 voltage when the issue is present?
Forum: maintenance & nonperformance 07-24-2021, 08:51 PM
Replies: 17
Views: 3,865
Posted By ZVOLV
What is the fuel pressure? You can't just say " I...

What is the fuel pressure? You can't just say " I have pressure at the rail."
Forum: maintenance & nonperformance 07-24-2021, 07:25 PM
Replies: 17
Views: 3,865
Posted By ZVOLV
Ok so it runs, but it runs like ****? You...

Ok so it runs, but it runs like ****?

You could have a massive air leak or barely any fuel pressure.

Pull the codes with the OBD blinky thing.
Forum: maintenance & nonperformance 07-17-2021, 01:44 AM
Replies: 5
Views: 1,152
Posted By ZVOLV
You have melted wiring on the resistor. Get an...

You have melted wiring on the resistor. Get an OEM resistor replacement. It isn't easy to swap. It will take you an entire weekend on the first try.

The shop likely just added a fitting to...
Forum: performance & modifications 07-14-2021, 04:38 PM
Replies: 16
Views: 3,316
Posted By ZVOLV
Does not a spark plug fit?

Does not a spark plug fit?
Forum: maintenance & nonperformance 07-09-2021, 01:37 AM
Replies: 20
Views: 3,417
Posted By ZVOLV
****tt grounds at the intake?

****tt grounds at the intake?
Forum: maintenance & nonperformance 07-08-2021, 09:38 PM
Replies: 13
Views: 2,796
Posted By ZVOLV
SERVICE light just means it's time for an oil...

SERVICE light just means it's time for an oil change.
Forum: maintenance & nonperformance 07-05-2021, 03:13 PM
Replies: 13
Views: 2,796
Posted By ZVOLV
Which codes are stored?

Which codes are stored?
Forum: maintenance & nonperformance 07-03-2021, 12:50 PM
Replies: 3
Views: 1,198
Posted By ZVOLV
The fuse holder/fuses are suspect. The...

The fuse holder/fuses are suspect.

The positive junction block on the driver fender too.
Forum: projects & restorations 06-27-2021, 04:48 AM
Replies: 113
Views: 69,504
Posted By ZVOLV
Don't smoke your clutches. Once you start...

Don't smoke your clutches. Once you start slipping, you are burning things up.

You haven't hit fuel cut yet? (5V on the MAF)
Forum: performance & modifications 06-27-2021, 04:23 AM
Replies: 17
Views: 5,489
Posted By ZVOLV
Hehe. He said anal.

Hehe. He said anal.
Forum: maintenance & nonperformance 06-27-2021, 02:46 AM
Replies: 7
Views: 1,788
Posted By ZVOLV
I would go after the fuel pump relay, the...

I would go after the fuel pump relay, the powerstage, and the crankshaft position sensor.

I have had two powerstages that started failing HOT and then eventually quit.
Forum: performance & modifications 06-27-2021, 02:39 AM
Replies: 259
Views: 124,466
Posted By ZVOLV
NVH

I would do some more Google research on automotive NVH diagnosis.

It looks like there are some apps available for NVH diag.

Or maybe try a mechanical instrument like a vibrating reed...
Forum: maintenance & nonperformance 06-27-2021, 02:23 AM
Replies: 7
Views: 1,788
Posted By ZVOLV
If your car is LH2.4 you have a powerstage and it...

If your car is LH2.4 you have a powerstage and it is mounted on the driver side inner fender.

If you have Regina- you have NO powerstage (ignition amp) and just that big ugly ignition module/coil....
Forum: maintenance & nonperformance 06-27-2021, 01:51 AM
Replies: 7
Views: 1,788
Posted By ZVOLV
The power stage could be dying.

The power stage could be dying.
Forum: showroom 06-23-2021, 03:26 PM
Replies: 11
Views: 4,370
Posted By ZVOLV
It's the high beam. The circuit is really...

It's the high beam.

The circuit is really easy to figure out once you remove the rear caps.
Forum: maintenance & nonperformance 06-23-2021, 03:17 PM
Replies: 8
Views: 2,264
Posted By ZVOLV
Thanks for posting back. Glad you got it! I...

Thanks for posting back. Glad you got it!

I always perform a cylinder drop test on these engines by unplugging a fuel injector. It is safer for you, and also for the cat. Unburned fuel going into...
Forum: maintenance & nonperformance 06-23-2021, 12:11 PM
Replies: 8
Views: 2,264
Posted By ZVOLV
Maybe you didn't torque a lower intake nut.

Maybe you didn't torque a lower intake nut.
Showing results 1 to 50 of 300

 
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