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Forum: maintenance & nonperformance Today, 08:44 PM
Replies: 38
Views: 928
Posted By bobxyz
What diag codes do you get from the OBD box after...

What diag codes do you get from the OBD box after trying to start? Pin 2 is ECU, pin 6 is EZK. If you get 1-1-1's, at least the ECU/EZK are getting power.

Have you checked that you have coil...
Forum: maintenance & nonperformance Today, 07:02 PM
Replies: 5
Views: 74
Posted By bobxyz
Try here? Not sure if any of the pics show...

Try here? Not sure if any of the pics show enough of the float arm attachment details.
http://cleanflametrap.com/transferPump.htm
or IPD's "fuel sending unit" pics might help a bit?
Forum: maintenance & nonperformance 07-17-2019, 10:52 PM
Replies: 38
Views: 928
Posted By bobxyz
You can find a 1990 760 greenbook on the Wayback...

You can find a 1990 760 greenbook on the Wayback Machine archive of volvowiringdiagrams.com. It looks like the main relay is 2/13 - greenbook pg 19 shows the location. I'd remove the relay and...
Forum: maintenance & nonperformance 07-17-2019, 08:44 PM
Replies: 38
Views: 928
Posted By bobxyz
Have you swapped your main system&fuel pump relay...

Have you swapped your main system&fuel pump relay (the one by the EZK/ECU in 240s)? If you're not getting good voltage to the ECU/relay, then relay clicking and misbehavior may occur. (As soon as...
Forum: aftermarket engine management 07-17-2019, 08:07 PM
Replies: 65
Views: 6,223
Posted By bobxyz
Did you try to run your AEM EMS 4 with the stock...

Did you try to run your AEM EMS 4 with the stock Volvo VR sensor, or just the Fuel Tech Hall sensor?

The VR sensor is tricky to use because the output voltage varies with engine speed. Really...
Forum: maintenance & nonperformance 07-17-2019, 09:07 AM
Replies: 7
Views: 296
Posted By bobxyz
What year/model? Here's a couple more...

What year/model?

Here's a couple more references:
https://www.volvoclub.org.uk/faq/B230FTimingBeltAlignment.htm

LH2.4 block mount distributor (bolt hole not quite lined up, but close):...
Forum: maintenance & nonperformance 07-12-2019, 10:51 PM
Replies: 10
Views: 339
Posted By bobxyz
I re-read the original post and realized there...

I re-read the original post and realized there must be a typo or confusion between yellow and blue/white wires:



Regardless of the wire colors,
- the headlight switch should connect to 86, and...
Forum: maintenance & nonperformance 07-12-2019, 07:53 PM
Replies: 21
Views: 743
Posted By bobxyz
Great, glad it's working and making sense. And...

Great, glad it's working and making sense. And as a bonus, you now a spare CPR for the future.

Are your pressures all good now? Have you gone through the Bentley procedures to check the dwell...
Forum: maintenance & nonperformance 07-12-2019, 07:44 PM
Replies: 10
Views: 339
Posted By bobxyz
I couldn't find a good wiring diagram either, so...

I couldn't find a good wiring diagram either, so be careful if try this:

Pin 85 and 86 are the relay coil. One (85) should be a black wire to ground, the other (86) should be a yellow (?) wire to...
Forum: maintenance & nonperformance 07-11-2019, 02:49 PM
Replies: 4
Views: 313
Posted By bobxyz
^^^ and especially check that both ends of the...

^^^ and especially check that both ends of the woven ground cable from the back of the valve cover to the bulkhead are making good contact. Use a little fine grit sandpaper if either end is...
Forum: maintenance & nonperformance 07-10-2019, 12:54 AM
Replies: 5
Views: 281
Posted By bobxyz
A missing VSS signal and driving over 3K rpm will...

A missing VSS signal and driving over 3K rpm will cause fast idle until car is shut off and a 3-1-1 ECU diag code. http://forums.turbobricks.com/showthread.php?t=342812
Forum: maintenance & nonperformance 07-08-2019, 04:41 PM
Replies: 4
Views: 275
Posted By bobxyz
It was originally Amp (Aircraft Marine Products),...

It was originally Amp (Aircraft Marine Products), which became Tyco Electronics, which became TE Connectivity. Many of the connectors are in the "Junior Timer" or "Junior Power Timer" series. Dave...
Forum: maintenance & nonperformance 07-08-2019, 02:17 PM
Replies: 21
Views: 743
Posted By bobxyz
I looked at some old pictures of my '85 and it...

I looked at some old pictures of my '85 and it doesn't look easy to swap any of the hoses. The banjos on the CPR are 2 different sizes (6mm/8mm), so they won't swap easily there. The CPR hoses on...
Forum: maintenance & nonperformance 07-06-2019, 10:55 AM
Replies: 5
Views: 345
Posted By bobxyz
Automatic? Maybe the shifter illumination bulb...

Automatic? Maybe the shifter illumination bulb has come loose and is shorting to the park/neutral interlock switch or park lock solenoid under the shifter cover? I haven't seen what this looks...
Forum: maintenance & nonperformance 07-04-2019, 07:37 PM
Replies: 17
Views: 649
Posted By bobxyz
google: hella 5-3/4 round e-code

google: hella 5-3/4 round e-code
Forum: maintenance & nonperformance 07-04-2019, 01:49 PM
Replies: 17
Views: 649
Posted By bobxyz
Wow, those are really bright and a nice beam...

Wow, those are really bright and a nice beam pattern. For comparison, here are old pictures from my '85 with Hella H1/H4 Ecode housings (replaceable bulbs instead of sealed beams).
...
Forum: maintenance & nonperformance 07-03-2019, 10:28 PM
Replies: 4
Views: 291
Posted By bobxyz
Do you have an incandescent test light, or a...

Do you have an incandescent test light, or a multimeter with a 10amp (or higher) rating? If so, pull fuse 3 (25A fuse for blower fan) and connect the test light or multimeter (on 10amp or higher...
Forum: aftermarket engine management 07-03-2019, 07:23 PM
Replies: 8
Views: 683
Posted By bobxyz
If you have a good working LH2.4 setup, and...

If you have a good working LH2.4 setup, and nothing too unusual on the engine, linuxman51's plug&play Microsquirt setups are a nice choice that allows swapping ECU systems back and forth. Plus you...
Forum: maintenance & nonperformance 07-03-2019, 06:50 PM
Replies: 21
Views: 743
Posted By bobxyz
I thought about it a bit more and I think your...

I thought about it a bit more and I think your CPR / WUR hoses are swapped. Inside the WUR is a thin metal disk with a spring pushing it closed against a center outlet tube. The inlet tube goes to...
Forum: performance & modifications 07-03-2019, 01:52 PM
Replies: 6
Views: 399
Posted By bobxyz
One other option I've seen mentioned, but haven't...

One other option I've seen mentioned, but haven't tried personally, is to use a front strut, hub, and VR sensor from a later model 240 with ABS. The ABS hub is 48 tooth, and uses a similar VR sensor...
Forum: performance & modifications 07-03-2019, 11:47 AM
Replies: 6
Views: 399
Posted By bobxyz
What do you want the speedo sensor for? How many...

What do you want the speedo sensor for? How many teeth, 12 or 48?
Forum: maintenance & nonperformance 07-03-2019, 11:45 AM
Replies: 21
Views: 743
Posted By bobxyz
While you're looking at Art's great pictures,...

While you're looking at Art's great pictures, check that your k-jet hoses are all routed to the correct locations. I don't know what would happen if some were swapped, or if it's even possible for...
Forum: performance & modifications 07-03-2019, 12:40 AM
Replies: 5
Views: 449
Posted By bobxyz
Burning rubber smell could be the belts with a...

Burning rubber smell could be the belts with a very high load on the alternator, maybe a near short somewhere? If you jump it and get it running briefly, what is the voltage at the battery?
Forum: performance & modifications 07-03-2019, 12:34 AM
Replies: 7
Views: 787
Posted By bobxyz
The LH2.4 ECU uses separate ground wires for the...

The LH2.4 ECU uses separate ground wires for the high-power grounds (injectors, IAC), and sensor grounds (MAF, coolant, TPS, etc.). Pin 5 on the ECU connector is sensor ground, pin 17 is high-power...
Forum: performance & modifications 07-03-2019, 12:17 AM
Replies: 5
Views: 458
Posted By bobxyz
See this post for nice measurements and pictures...

See this post for nice measurements and pictures of head gaskets and head combustion chamber sizes:
http://forums.turbobricks.com/showpost.php?p=5363245&postcount=18

You should be fine with a...
Forum: maintenance & nonperformance 07-02-2019, 07:58 PM
Replies: 30
Views: 1,974
Posted By bobxyz
IPD also has instructions in a .pdf with black...

IPD also has instructions in a .pdf with black and white pictures. Read through the part descriptions and it will say if left side harness or right side is the one for the wiper but, since you're...
Forum: performance & modifications 07-01-2019, 11:03 PM
Replies: 1
Views: 450
Posted By bobxyz
LH2.4? With which EZK and which ECU? What coil?...

LH2.4? With which EZK and which ECU? What coil?

How does is run otherwise?

Try disconnecting the red/white tach wire from the coil, leaving just blue +12v power wires and a red/white to the...
Forum: maintenance & nonperformance 07-01-2019, 07:26 PM
Replies: 6
Views: 449
Posted By bobxyz
Does the turbo have a BOV / CBV, and did you...

Does the turbo have a BOV / CBV, and did you check it after the pop? Can you hear the idle switch on the throttle body click when it closes?
Forum: performance & modifications 07-01-2019, 07:16 PM
Replies: 8
Views: 709
Posted By bobxyz
What year 240? Turbo/NA? Are you in the USA? ...

What year 240? Turbo/NA? Are you in the USA?

I think you can upgrade to either:
- 240 Turbo Ignition, using a 240 Turbo Distributor and "breakerless" ignition control box, or
- 240 NA LH2.2,...
Forum: maintenance & nonperformance 06-27-2019, 08:25 PM
Replies: 8
Views: 864
Posted By bobxyz
The BAP compressor with the angled ports looks...

The BAP compressor with the angled ports looks like a replacement for the one-year-only 1993 240 r134a compressor (also used for a couple years on the 940s, but with a slightly different pulley). ...
Forum: maintenance & nonperformance 06-23-2019, 09:19 PM
Replies: 30
Views: 893
Posted By bobxyz
Rummage around and either Oz or Wayback Machine...

Rummage around and either Oz or Wayback Machine of volvowiringdiagrams should have a Mitchell's "Volvo 740 1989 Wiring.pdf" and a Volvo Greenbook "TP31075-1 1988 760 Wiring Diagrams.pdf". Those are...
Forum: maintenance & nonperformance 06-21-2019, 12:15 AM
Replies: 149
Views: 5,653
Posted By bobxyz
For a picture of the LambdaSond wiring diagram,...

For a picture of the LambdaSond wiring diagram, see post #23 http://forums.turbobricks.com/showpost.php?p=5946024&postcount=27

or download the color version from Oz...
Forum: maintenance & nonperformance 06-14-2019, 10:10 PM
Replies: 10
Views: 733
Posted By bobxyz
That's fun! Thanks for the info from...

That's fun! Thanks for the info from RS-Elektronik. :)



I was puzzled by why someone would go to all the trouble of making a regulator with remote temperature sense, but then bury the...
Forum: maintenance & nonperformance 06-11-2019, 12:09 AM
Replies: 12
Views: 656
Posted By bobxyz
With the key off, measure resistance from the...

With the key off, measure resistance from the ground wire ring terminals (e.g. the crimp on ring terminal) to the battery - post. This should be ~0 ohms if it's making good contact to the manifold,...
Forum: maintenance & nonperformance 06-10-2019, 08:19 PM
Replies: 10
Views: 733
Posted By bobxyz
I don't have a copy of the greenbook you're...

I don't have a copy of the greenbook you're referencing, but I'll guess that it's from the late 70s / early 80s, and is talking about an early Electronic Voltage Regulator for the Alternator (or...
Forum: maintenance & nonperformance 06-09-2019, 04:57 PM
Replies: 10
Views: 796
Posted By bobxyz
When I replaced my rear axle (due to whining...

When I replaced my rear axle (due to whining diff), the salvage yard pulled one for me, and included the parking brake cables. I reused the original cables, but I think I remember seeing a hold down...
Forum: performance & modifications 06-08-2019, 04:05 PM
Replies: 35
Views: 2,238
Posted By bobxyz
Do you care about emissions? If not, you can go...

Do you care about emissions? If not, you can go with a wider variety of cams, and tradeoff worse idle for better higher rpm performance. Compared to swapping in a +T'd engine, swapping cams is...
Forum: maintenance & nonperformance 06-08-2019, 12:57 AM
Replies: 12
Views: 780
Posted By bobxyz
Spare salvage yard parts for the next 10 years

Let's say that I want to hold on to my '85 wagon for at least the next 10 years.

https://image.ibb.co/bt1KBK/spider-eyes.jpg

A couple years ago, there were a good number of 240s that came...
Forum: performance & modifications 06-08-2019, 12:25 AM
Replies: 35
Views: 2,238
Posted By bobxyz
^^^ agreed. The late factory 240 turbo...

^^^ agreed.

The late factory 240 turbo auto's had a 3.91 rear end. The 240 turbo manual's used 3.73. All the non-turbo auto's had a 3.73, so your converted auto will be the same gearing as the...
Forum: performance & modifications 06-07-2019, 02:37 PM
Replies: 35
Views: 2,238
Posted By bobxyz
Automatic or Manual? What turbo? How much low...

Automatic or Manual? What turbo? How much low speed / stop-n-go daily traffic?

Are you OK with running/shifting at higher RPMs most of the time so that you can have best high RPM performance, or...
Forum: maintenance & nonperformance 06-05-2019, 08:19 PM
Replies: 78
Views: 3,184
Posted By bobxyz
Here's pictures of the AC parts from a '93 240...

Here's pictures of the AC parts from a '93 240 (click on pic for full size)
https://i.ibb.co/v3GfbQr/93-AC-parts3.jpg (https://ibb.co/v3GfbQr) https://i.ibb.co/kcmrY0d/93-AC-parts1.jpg...
Forum: maintenance & nonperformance 06-03-2019, 08:29 AM
Replies: 6
Views: 531
Posted By bobxyz
Check that the coolant temp sensor connector is...

Check that the coolant temp sensor connector is fully seated, and that it's the right connector. On a '93, I don't know if it's possible to accidentally swap a couple connectors, but it is possible...
Forum: aftermarket engine management 06-02-2019, 09:59 PM
Replies: 14
Views: 942
Posted By bobxyz
Do you see any voltage change on 32-cam in? A...

Do you see any voltage change on 32-cam in? A tiny change would be more encouraging than none at all.

Sounds like your MS3X Expansion Card has problems. You could unplug the 37-pin expansion...
Forum: maintenance & nonperformance 06-02-2019, 09:41 PM
Replies: 2
Views: 488
Posted By bobxyz
1) the rail is just for mounting things, but...

1) the rail is just for mounting things, but there may be nearby ring terminals that get screwed down to the body. If the screw is uncoated, it should still make an OK connection. You could test...
Forum: aftermarket engine management 06-02-2019, 09:33 PM
Replies: 14
Views: 942
Posted By bobxyz
When you say you bypassed the internal pullup,...

When you say you bypassed the internal pullup, what do you mean? Pulled the jumper, or added your own pullup resistor?

If you measure the voltage (to ground) of the cam/crank pins on the CAS, and...
Forum: maintenance & nonperformance 06-02-2019, 09:30 PM
Replies: 2
Views: 397
Posted By bobxyz
Find a copy of the '93 240 wiring greenbook -...

Find a copy of the '93 240 wiring greenbook - TP32352-1 1993 240 Wiring Diagrams. Pg 10 of 133 shows the original radio connector. If you're sure that this is the same as your missing connector,...
Forum: maintenance & nonperformance 05-31-2019, 09:39 PM
Replies: 149
Views: 5,653
Posted By bobxyz
Checking and adjusting idle mixture with the...

Checking and adjusting idle mixture with the "dwell" test connector and a wideband O2 sensor is pretty easy. The hardest part may be finding the connector in the engine bay, and removing the...
Forum: maintenance & nonperformance 05-31-2019, 01:21 PM
Replies: 149
Views: 5,653
Posted By bobxyz
Great progress! Your new videos sound so much...

Great progress! Your new videos sound so much better. When I tuned up my '85, I think I went through all the steps maybe three times to get it running well. First time through caught the big...
Forum: maintenance & nonperformance 05-31-2019, 11:29 AM
Replies: 9
Views: 806
Posted By bobxyz
That's some funny symptoms. Fuses 7,8,9,10 are...

That's some funny symptoms. Fuses 7,8,9,10 are all tied together on one side, with fused sides feeding brake lights, courtesy lights, hazard lights, radio, power windows. The common side has a big...
Forum: maintenance & nonperformance 05-30-2019, 01:40 PM
Replies: 149
Views: 5,653
Posted By bobxyz
Here's a screen capture from your video when...

Here's a screen capture from your video when running at idle:

https://i.ibb.co/9ptXDqq/78-242-k-jet-pressure.jpg

The reading is bad -- either you have the pressure tester valve closed, which...
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