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Forum: maintenance & nonperformance 11-30-2022, 08:45 AM
Replies: 38
Views: 1,038
Posted By 84B23F
I cited the company that rebuilds...send them an...

I cited the company that rebuilds...send them an email, or call them. Awhile back, I cited a rebuild kit, but it would only be good if rack's internal surfaces are good.
Forum: maintenance & nonperformance 11-29-2022, 02:51 PM
Replies: 38
Views: 1,038
Posted By 84B23F
https://www.mavalgear.com/ Part Number: 9016M

https://www.mavalgear.com/
Part Number: 9016M
Forum: maintenance & nonperformance 11-16-2022, 09:16 PM
Replies: 20
Views: 4,499
Posted By 84B23F
If using a carburetor, I fully understand. ...

If using a carburetor, I fully understand.

But with a fly by wire TPS, I have no idea how the ECM handles a driver's accelerator-pumping action. There would be excess air "flooding" the intake,...
Forum: maintenance & nonperformance 11-05-2022, 08:33 PM
Replies: 6
Views: 822
Posted By 84B23F
When locally driven, its no big issue...but for...

When locally driven, its no big issue...but for over-the-roaders, it becomes a big issue when water pump shoots craps. As they say, penny wise, and pound foolish.
Forum: maintenance & nonperformance 11-05-2022, 08:56 AM
Replies: 6
Views: 822
Posted By 84B23F
Overall, a good overview... 1. Water-pump -...

Overall, a good overview...

1. Water-pump - I replace it when doing a belt/seal replacement on any vehicle where water-pump is located in belt replacement area.

2. Seal Tools Used - I've never...
Forum: maintenance & nonperformance 07-20-2022, 09:23 PM
Replies: 5
Views: 1,559
Posted By 84B23F
Ever try: K&W 402916X6 Trans-X High Mileage...

Ever try: K&W 402916X6 Trans-X High Mileage Automatic Transmission Treatment
Forum: maintenance & nonperformance 07-04-2022, 07:39 AM
Replies: 5
Views: 1,559
Posted By 84B23F
AW70: TC Leaks ?

If 240 sits for several weeks, and if torque converter seal has never been replaced, is it possible for AT fluid to leak on the floor with high ambient temperature via TC?
Forum: maintenance & nonperformance 06-16-2022, 06:41 AM
Replies: 20
Views: 4,499
Posted By 84B23F
One person suggests getting a new battery: HERE...

One person suggests getting a new battery: HERE (https://www.swedespeed.com/threads/2001-c70-cold-start-problems.168206/)

Just hold the pedal down say 3/4 way down...if more air is needed to...
Forum: maintenance & nonperformance 06-14-2022, 12:57 PM
Replies: 6
Views: 1,375
Posted By 84B23F
Thanks...I'll have to look around there...many...

Thanks...I'll have to look around there...many thanks
Forum: maintenance & nonperformance 06-14-2022, 07:09 AM
Replies: 6
Views: 1,375
Posted By 84B23F
Late 1993-240 wagon I have was done that way. By...

Late 1993-240 wagon I have was done that way. By 1993, iirc, other OEMs like Ford/GM had a plug connector available.
Forum: maintenance & nonperformance 06-12-2022, 10:23 PM
Replies: 6
Views: 1,375
Posted By 84B23F
Trailer Wiring

RE: 1993 240 with OEM hitch

Did Volvo have a dedicated wiring connector hidden somewhere to be used?
Forum: maintenance & nonperformance 03-30-2022, 09:43 PM
Replies: 7
Views: 1,168
Posted By 84B23F
IIRC, LH 2.1 grounds out fuel pump relay...no...

IIRC, LH 2.1 grounds out fuel pump relay...no need to use a positive hot wire. LH 2.2 most likely is the same.

On my VW K-Jet, I used a ground to energize the cold start injector with a momentary...
Forum: maintenance & nonperformance 03-30-2022, 06:55 AM
Replies: 7
Views: 1,168
Posted By 84B23F
Years ago @ fuel pump relay, I "hot wired" relay...

Years ago @ fuel pump relay, I "hot wired" relay so I could manually prime the fuel rail.

I'd have to look at schematics again, but IIRC, a ground wire can fire-up the fuel pump relay.
Forum: maintenance & nonperformance 03-26-2022, 08:48 AM
Replies: 7
Views: 1,168
Posted By 84B23F
Fuel Pump Check Valve....@....fuel filter

Fuel Pump Check Valve....@....fuel filter
Forum: maintenance & nonperformance 03-11-2022, 05:38 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Conclusion, as based upon flipping a Bosch 2.4...

Conclusion, as based upon flipping a Bosch 2.4 IAC in place, with base warm idle at 1400 RPM with TPS/IAC unplugged. Regina is changing timing to control the RPM.

From Greenbook,

1.Idle Speed...
Forum: maintenance & nonperformance 03-08-2022, 08:38 AM
Replies: 3
Views: 1,225
Posted By 84B23F
More of a bearing noise...loosen belts, and...

More of a bearing noise...loosen belts, and "massage" all pulleys (water pump, alt, pwr steerting, AC)
Forum: maintenance & nonperformance 03-07-2022, 12:36 PM
Replies: 98
Views: 16,137
Posted By 84B23F
UpDate 1. With temp sensor down to a cold...

UpDate

1. With temp sensor down to a cold ambient air temp, and oil still warm, engine hit initially 2,000 RPM, before settling down to 1000. Thus, oil's temp affects start RPM. With a cold...
Forum: maintenance & nonperformance 03-03-2022, 12:55 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Regina is speed density...just temp sensor and...

Regina is speed density...just temp sensor and MAP

Just experimenting.

IAC Inlet Hose Restrictor - 10+ mm ID; 14mm OD hose inserted; will slide inside OEM's inlet hose. About 8" long and...
Forum: maintenance & nonperformance 03-03-2022, 12:10 AM
Replies: 98
Views: 16,137
Posted By 84B23F
IIRC, with a dead O2, and with disconnected VDO's...

IIRC, with a dead O2, and with disconnected VDO's IAC & TPS, Regina behaved well, but with a rich mixture. Adaptive memory may only be valid with a working O2 sensor.

With a working O2 & IAC,...
Forum: maintenance & nonperformance 03-02-2022, 10:07 AM
Replies: 98
Views: 16,137
Posted By 84B23F
I choked 2.4-IAC's inlet side down to 1/4"...

I choked 2.4-IAC's inlet side down to 1/4" diameter, and Regina got "pissed" and limited power to about a 36hp VW engine.

With a working O2 sensor, there is a relationship between O2 and IAC in...
Forum: maintenance & nonperformance 03-01-2022, 12:55 AM
Replies: 98
Views: 16,137
Posted By 84B23F
Recapping: Bosch LH 2.4 IAC used on Regina setup ...

Recapping: Bosch LH 2.4 IAC used on Regina setup

1. Bosch 2.4 IAC - Appears to have at least a 1,200 RPM range, from about 800 to 2000 RPM, if Regina is not setting the lower idle RPM in closed...
Forum: maintenance & nonperformance 02-27-2022, 01:18 PM
Replies: 98
Views: 16,137
Posted By 84B23F
If said tester was hooked to a 240 with LH 2.4,...

If said tester was hooked to a 240 with LH 2.4, with TPS unplugged on a warmed up engine, it would be interesting to know engine RPM range as a function of duty cycle.

Volvo's idle spec when...
Forum: maintenance & nonperformance 02-27-2022, 10:27 AM
Replies: 98
Views: 16,137
Posted By 84B23F
Most vehicles' timescale have been limited,...

Most vehicles' timescale have been limited, beginning with electric vehicles some 100+ years ago.
Even Volvo is changing gears: The Ultimate Safety Test...
Forum: maintenance & nonperformance 02-26-2022, 10:17 PM
Replies: 98
Views: 16,137
Posted By 84B23F
1963 Volkswagen Beetle...

1963 Volkswagen Beetle (https://www.everlance.com/blog/10-highest-mileage-vehicles) managed to drive 1,610,000 miles

7 new engines
3 transmissions
150 tires
$38,000 in maintenance...
Forum: maintenance & nonperformance 02-26-2022, 11:29 AM
Replies: 98
Views: 16,137
Posted By 84B23F
Correction: Idle Speed Regulation ... ... ...

Correction: Idle Speed Regulation
...
...
In order to avoid excessive idle speed, for example owing to an incorrectly adjusted throttle valve, the idle valve receives a signal which virtually...
Forum: maintenance & nonperformance 02-25-2022, 11:46 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Big Picture: OEM engines last much longer these...

Big Picture: OEM engines last much longer these days [if maintained], due to EPA mandates.
============

Idle with Bosch 2.4 IAC [engine warmed up]

800 RPM - Regina ECU controlled

1400 RPM -...
Forum: maintenance & nonperformance 02-25-2022, 01:31 PM
Replies: 20
Views: 2,889
Posted By 84B23F
AGM Batteries – What You Need to Know ...

AGM Batteries – What You Need to Know
(https://cloreautomotive.com/agm-batteries-what-you-need-to-know/) - Because they are completely sealed, AGM batteries are very sensitive to voltage (in a...
Forum: maintenance & nonperformance 02-25-2022, 11:46 AM
Replies: 98
Views: 16,137
Posted By 84B23F
Engine Start Dynamics - Intake manifold is...

Engine Start Dynamics - Intake manifold is without a vacuum, so combustion chambers get an extra amount of fresh air, which assists in an increased RPM with initial starting. So, the RPM pops up,...
Forum: maintenance & nonperformance 02-25-2022, 09:52 AM
Replies: 20
Views: 2,889
Posted By 84B23F
Read your owner's manual, for instance ...

Read your owner's manual, for instance

Volvo: Battery - Start/Stop (https://www.volvocars.com/en-th/support/manuals/xc60/2015w17/maintenance-and-service/engine-compartment/battery---start-stop)
...
Forum: maintenance & nonperformance 02-24-2022, 10:29 PM
Replies: 98
Views: 16,137
Posted By 84B23F
I worked at a VW shop in late 1960s...full engine...

I worked at a VW shop in late 1960s...full engine overhaul could be done in an afternoon. Piece of cake to remove engine. Valves needed to be faithfully adjusted on air cooled engines, especially...
Forum: maintenance & nonperformance 02-24-2022, 09:52 AM
Replies: 98
Views: 16,137
Posted By 84B23F
VW air cooled engines used shim-able pulleys on...

VW air cooled engines used shim-able pulleys on the generator for the purpose of removing/installing and tightening the belt.

I'd have to look at that 1984's crank pulley, but I thought both...
Forum: maintenance & nonperformance 02-23-2022, 10:54 PM
Replies: 98
Views: 16,137
Posted By 84B23F
I'd have to look...but iirc, one belt from crank...

I'd have to look...but iirc, one belt from crank to AC, then another from AC to Alt; one belt driving two devices.

RE: "quality of the... idle valve

940 has 330k miles...and I don't know if its...
Forum: maintenance & nonperformance 02-23-2022, 12:41 AM
Replies: 5
Views: 1,547
Posted By 84B23F
Footnote - Some ebayers are junkyard pullers, and...

Footnote - Some ebayers are junkyard pullers, and a few others have injector shops. I've never been burned, but I attempt to sort the chaff from the wheat when buying used stuff, like injectors. ...
Forum: maintenance & nonperformance 02-22-2022, 10:29 PM
Replies: 5
Views: 1,547
Posted By 84B23F
December 04, 2012...

December 04, 2012 (https://europe.autonews.com/article/20121204/ANE/121209962/bosch-builds-second-diesel-injector-plant-in-china) - Robert Bosch GmbH broke ground last week on its second diesel fuel...
Forum: maintenance & nonperformance 02-22-2022, 08:24 PM
Replies: 5
Views: 1,547
Posted By 84B23F
Are they 0280155746 injectors? Mine work just...

Are they 0280155746 injectors? Mine work just fine in 93-940. If you have a cold start injector, there may be an issue there. But, if injectors are leaking...say via actual flow test...return...
Forum: maintenance & nonperformance 02-22-2022, 01:23 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Footnotes - 1993 940 Regina 1. I used 1"...

Footnotes - 1993 940 Regina

1. I used 1" hose (25.4mm Conair by Goodyear) to slip over OEMs hoses as seen in this pic (https://i.imgur.com/vkPnMN9.jpg), and inserted a 1/2" copper ring coupling...
Forum: performance & modifications 02-22-2022, 10:15 AM
Replies: 14
Views: 2,580
Posted By 84B23F
Patents for titania sensors had voltage ranging...

Patents for titania sensors had voltage ranging from 5v to 1v versions.

With Regina, I did a Max/Avg/Min volt test with a new titania sensor:

1.15 V
560 mV
046 mV

Based upon Toyota's...
Forum: performance & modifications 02-18-2022, 12:17 PM
Replies: 14
Views: 2,580
Posted By 84B23F
I sent Innovate a Question - It may be possible...

I sent Innovate a Question - It may be possible to use the analog output (when reprogrammed) on their LC-2 unit. I suspect Regina's internal circuit is used to detect a dead or inactive (cold: open...
Forum: performance & modifications 02-17-2022, 02:25 PM
Replies: 14
Views: 2,580
Posted By 84B23F
With engine running and signal wire disconnected...

With engine running and signal wire disconnected from O2, I measured Signal wire voltage on ECM side @

1 mV to 5 mV, back/forth, which may be just the multimeter's "oscillation"

I know nothing...
Forum: maintenance & nonperformance 02-17-2022, 09:47 AM
Replies: 98
Views: 16,137
Posted By 84B23F
Bosch IAC - With O2 sensor replaced, power...

Bosch IAC - With O2 sensor replaced, power acceleration is much better, but maybe a pinch short when compared to Regina's IAC. RPM overshoot happens with cold starts.

0w-30 Oil - A dead Regina...
Forum: performance & modifications 02-16-2022, 08:38 PM
Replies: 14
Views: 2,580
Posted By 84B23F
FWIW: With a TEKTRONIX Mac Tools ET 332...

FWIW:

With a TEKTRONIX Mac Tools ET 332 Automotive Multimeter, (https://i.imgur.com/gVsdlf7.jpg) and a new Regina O2 sensor with engine running in closed loop, signal wire voltages ran from about...
Forum: maintenance & nonperformance 02-14-2022, 12:26 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Footnote - Better pic of CPS setup...

Footnote - Better pic of CPS setup (https://imgur.com/2tHZHKa); I don't recall the gap needed between tone-ring and CPS
Forum: maintenance & nonperformance 02-12-2022, 09:35 PM
Replies: 98
Views: 16,137
Posted By 84B23F
1984 B23F (Auto) just needed two holes for the...

1984 B23F (Auto) just needed two holes for the CPS shown here (https://i.imgur.com/wNXzxAM.jpg). CPS requires a certain gap to tone ring, so CPS has to be mounted correctly...notice block's facing in...
Forum: performance & modifications 02-11-2022, 08:34 PM
Replies: 14
Views: 2,580
Posted By 84B23F
I recall reading about custom programming...thx ...

I recall reading about custom programming...thx

I did find an excellent overview on TITANIA 0XYGEN SENSORS (http://www.tomco-inc.com/Tech_Tips/ttt20.pdf) via tomco-inc.com

AEM indicates "For...
Forum: performance & modifications 02-11-2022, 05:12 PM
Replies: 14
Views: 2,580
Posted By 84B23F
Thx...most likely, a different but similar O2...

Thx...most likely, a different but similar O2 sensor when compared to what Bendix used...

RE: "AEM gauge offers a Titania compatibility mode, with 0v to 5v output swing"

Here's AEM's voltage...
Forum: maintenance & nonperformance 02-11-2022, 02:45 PM
Replies: 98
Views: 16,137
Posted By 84B23F
Different Topic....take a look over here...

Different Topic....take a look over here (http://forums.turbobricks.com/showthread.php?p=6253257#post6253257)...thx
Forum: performance & modifications 02-11-2022, 02:44 PM
Replies: 14
Views: 2,580
Posted By 84B23F
Update So, Zirconia sensor puts out a...

Update

So, Zirconia sensor puts out a voltage of 0-1 volt, whereas Titania is 0-5 volts.

I looked at Regina's wiring diagram here (https://i.imgur.com/VydN3uG.jpg), and noticed that O2 sensor...
Forum: maintenance & nonperformance 02-11-2022, 02:13 PM
Replies: 12
Views: 2,310
Posted By 84B23F
I've not dived into AT topic, but only picked up...

I've not dived into AT topic, but only picked up tidbits.

IIRC, them clutch packs get press together via hydraulic force...if true, then pressure and friction modifiers added to fluid are related....
Forum: maintenance & nonperformance 02-11-2022, 01:36 PM
Replies: 98
Views: 16,137
Posted By 84B23F
FWIW - Denso 234-3131 may work; $65.00 and more

FWIW - Denso 234-3131 may work; $65.00 and more
Forum: maintenance & nonperformance 02-11-2022, 01:35 PM
Replies: 98
Views: 16,137
Posted By 84B23F
I was at a Ford/Jeep dealership today,...

I was at a Ford/Jeep dealership today, Bendix/Regina O2 sensors (or pigtail connector) for previous Jeeps with Regina are not listed in their computer. He checked with a aftermarket distributor they...
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