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Search: Posts Made By: 84B23F
Forum: maintenance & nonperformance Today, 01:18 PM
Replies: 9
Views: 117
Posted By 84B23F
Manual brakes were always harder to press down...

Manual brakes were always harder to press down on.

Master cylinder's inner bore diameter, and wheel cylinders'/calipers' inner diameter determines foot pressure required.

If a vehicle had a...
Forum: maintenance & nonperformance 04-10-2021, 12:52 PM
Replies: 9
Views: 415
Posted By 84B23F
On EFI based semi-trucks since around early...

On EFI based semi-trucks since around early 1990s, when coolant level was low or if temp too high, an engine could be shut-down if these parameters were turned on in ECM.
Forum: maintenance & nonperformance 04-09-2021, 01:37 PM
Replies: 9
Views: 415
Posted By 84B23F
Problem with OEM vacuum controlled heater valve...

Problem with OEM vacuum controlled heater valve on 7s/9s is when it leaks, engine may be toast...history....just depends upon your situation, local, highway, etc.

I had just rebuilt my 1984-B23F,...
Forum: maintenance & nonperformance 04-09-2021, 07:45 AM
Replies: 9
Views: 415
Posted By 84B23F
Yes, Volvo 912997 93-940's owner's manual...

Yes, Volvo 912997

93-940's owner's manual does not show idiot light for it, but it's shown in OEM parts for this sensor. Owner's manual does show a Low washer fluid level, so maybe I can rig...
Forum: maintenance & nonperformance 04-08-2021, 11:45 PM
Replies: 9
Views: 415
Posted By 84B23F
Forum: maintenance & nonperformance 04-07-2021, 10:47 PM
Replies: 7
Views: 580
Posted By 84B23F
Take lid off of Coolant Tank, place palm over...

Take lid off of Coolant Tank, place palm over hole with a cold engine running...with other hand, increase engine RPM...any pressure?
Forum: maintenance & nonperformance 04-06-2021, 08:49 AM
Replies: 13
Views: 654
Posted By 84B23F
1993 240 diagram shows stalk's ground wire goes...

1993 240 diagram shows stalk's ground wire goes to left side of tunnel, as bobxyz posted in post #8. If a grounded wire touches Brown wire at stalk, this should send a ground to the step relay.
...
Forum: maintenance & nonperformance 04-03-2021, 11:01 PM
Replies: 13
Views: 654
Posted By 84B23F
Bulb Failure Sensor (in Blue Circle) is used for...

Bulb Failure Sensor (in Blue Circle) is used for low beams: See diagram here (https://i.imgur.com/UkgPOpY.jpg).

Disregard that squiggled line...European version in 1993 with daytime headlights on....
Forum: maintenance & nonperformance 04-02-2021, 08:45 PM
Replies: 14
Views: 1,127
Posted By 84B23F
Problem was the drain plug was spinning in its...

Problem was the drain plug was spinning in its position; I had to remove the pan, apply pressure on top of bolt's threads, then turn to remove it.

Footnote - I had to replace these O-rings, due to...
Forum: maintenance & nonperformance 03-31-2021, 06:59 PM
Replies: 14
Views: 1,127
Posted By 84B23F
That will work, but using a 3/8-16 tap seems to...

That will work, but using a 3/8-16 tap seems to do the trick; With a pinch of silicone on flat surface, I'm going to try this: 3/8-16 x 1/2 Inch Button Head Socket Cap Screws Bolts...
Forum: maintenance & nonperformance 03-29-2021, 09:03 PM
Replies: 4
Views: 578
Posted By 84B23F
Ok...she thought it was some kind of poly...

Ok...she thought it was some kind of poly carbonate....Just assisting someone...THX

2001 - 2004 glass
2005 - 2009 plastic...
Forum: maintenance & nonperformance 03-29-2021, 08:00 AM
Replies: 4
Views: 578
Posted By 84B23F
Clean Headlight Cover: 2002 Volvo S60

Someone installed duct tape...any solution to clean off adhesive residue that won't damage plastic cover?

thx
Forum: maintenance & nonperformance 03-27-2021, 08:41 PM
Replies: 14
Views: 1,127
Posted By 84B23F
Correct Answer - 3/8" x 16 tap This would be...

Correct Answer - 3/8" x 16 tap

This would be the ideal replacement bolt: 3/8"-16 STAINLESS STEEL BUTTON FLANGE HEAD SOCKET CAP SCREW (3/8"-16 x 3/4"...
Forum: maintenance & nonperformance 03-27-2021, 09:16 AM
Replies: 14
Views: 1,127
Posted By 84B23F
Volvo 1233415 - No longer available...

Volvo 1233415 - No longer available worldwide...in my searches

Volvo 1208642 (Automatic Transmission Assembly) - New transmission is available, for $4,097.30 (plus tax and S&H).

Volvo 1233071 ...
Forum: maintenance & nonperformance 03-26-2021, 10:31 PM
Replies: 14
Views: 1,127
Posted By 84B23F
AW71: Oil Pan...Drain plug stripped

So, drain plug is stripped...any option to fix it...or just close access to it?

thx
Forum: maintenance & nonperformance 03-24-2021, 10:39 AM
Replies: 24
Views: 1,809
Posted By 84B23F
If a YouTube vid was made that gave key points,...

If a YouTube vid was made that gave key points, not a walk thru rebuilding a carb, on how tools (jigs, fixtures, etc) were used, that would be a nice gift.

More like a gentle overview on how/why...
Forum: maintenance & nonperformance 03-19-2021, 08:31 AM
Replies: 24
Views: 1,809
Posted By 84B23F
Check Here: http://sucarb.co.uk They sell...

Check Here: http://sucarb.co.uk

They sell parts
Forum: maintenance & nonperformance 03-19-2021, 07:41 AM
Replies: 24
Views: 1,809
Posted By 84B23F
Around here, the "new timers" ain't got the...

Around here, the "new timers" ain't got the skills, and there are few "old timers" to do it right.
Forum: maintenance & nonperformance 03-19-2021, 07:27 AM
Replies: 4
Views: 999
Posted By 84B23F
In those years, on 740s/940s, Volvo used rotors...

In those years, on 740s/940s, Volvo used rotors with

Outboard Vented Vents On Wheel Side Of Rotor

and rotors with

Inboard Vented Vents On Axle Side Of Rotor

For the 1993-940 I own, it...
Forum: maintenance & nonperformance 03-18-2021, 09:57 AM
Replies: 24
Views: 1,809
Posted By 84B23F
Been there, done that...all carbs wear at shaft.

Been there, done that...all carbs wear at shaft.
Forum: maintenance & nonperformance 03-15-2021, 11:29 AM
Replies: 29
Views: 3,220
Posted By 84B23F
RE: cleaning my flame trap as well... Cold...

RE: cleaning my flame trap as well...

Cold weather and short miles may be related....but rings do get sludged, and stick.

1. 5w-30 Dexos2...every 1,000 miles change oil and filter several...
Forum: maintenance & nonperformance 03-15-2021, 07:57 AM
Replies: 4
Views: 999
Posted By 84B23F
Outer Rotor Diameter

I noticed two different sized rotors being listed for 93-940...the designs are different, but will they interchange?


Outer (IN) 11.295

Outer (in) 11
Forum: maintenance & nonperformance 03-14-2021, 08:36 PM
Replies: 29
Views: 3,220
Posted By 84B23F
RE: AMMs 002 - LH 2.0 007 - LH 2.2 ...

RE: AMMs

002 - LH 2.0
007 - LH 2.2

"AMM....but the volvo sensor (http://forums.tbforums.com/showpost.php?p=98426&postcount=1) at idle reads approximately 2.3-2.5 volts and rails out to a...
Forum: maintenance & nonperformance 03-14-2021, 06:07 PM
Replies: 29
Views: 3,220
Posted By 84B23F
Find an automotive multimeter The air mass...

Find an automotive multimeter

The air mass meter depends (https://www.saabnet.com/tsn/faq/lhoverview.html) on the measurement of current flowing through heated wires to measure air flow. It is...
Forum: maintenance & nonperformance 03-08-2021, 01:49 PM
Replies: 29
Views: 3,220
Posted By 84B23F
Footnote - When a vacuum booster fails,...

Footnote - When a vacuum booster fails, additional air is added, which is not seen via AMM metered air...so, if brake booster's vacuum like is plugged at intake, this rules out another issue. After...
Forum: maintenance & nonperformance 03-08-2021, 11:28 AM
Replies: 29
Views: 3,220
Posted By 84B23F
If a person had a mechanic's multi-meter, one...

If a person had a mechanic's multi-meter, one could watch for min/max voltage on pin 20...an older O2 sensor changes slowly, whereas a newer one changes faster...as I understand...but I don't know...
Forum: maintenance & nonperformance 03-08-2021, 12:56 AM
Replies: 29
Views: 3,220
Posted By 84B23F
RE: Pin #2 of ECU Should say, on Pin #2 at...

RE: Pin #2 of ECU

Should say, on Pin #2 at ECU's wiring-harness connector, I read such and such ohms with the other probe on one of the engine's ground pins (pins 25, 11, or 5; which come from...
Forum: maintenance & nonperformance 03-07-2021, 09:21 PM
Replies: 29
Views: 3,220
Posted By 84B23F
RE: Blips of the throttle will cause it to...

RE: Blips of the throttle will cause it to stumble and die.

Yes, its running LEAN...So...FPR is not holding pressure, fuel filter real dirty, or fuel pump is fizzling.

RE: AMM is unplugged
...
Forum: maintenance & nonperformance 03-07-2021, 01:32 PM
Replies: 19
Views: 1,647
Posted By 84B23F
Fuel tanks replaced on 1974-1977 Volvos had a...

Fuel tanks replaced on 1974-1977 Volvos had a pressure relief value set at 1.5 psi.

Air Vent Valve
Part Number: 1255999
Supersession(s): 1254826

Reid vapor pressure (RVP) measured at 37.8 °C...
Forum: maintenance & nonperformance 03-07-2021, 01:04 PM
Replies: 29
Views: 3,220
Posted By 84B23F
Unplug O2 sensor, and see what happens...could...

Unplug O2 sensor, and see what happens...could check voltage at pin #20 when plugged in with high impedance volt meter.

Unplug ECT, and see what happens...I don't know if Bosch had a default temp...
Forum: maintenance & nonperformance 03-07-2021, 12:53 PM
Replies: 29
Views: 3,220
Posted By 84B23F
As O2 sensors get worn out, up goes the voltage...

As O2 sensors get worn out, up goes the voltage reading.

ECU's temp sensor should be ohm checked...when they fail, rich mixture.

I can't recall on which LH, but if temp sensor is unplugged, a...
Forum: maintenance & nonperformance 03-07-2021, 12:33 PM
Replies: 29
Views: 3,220
Posted By 84B23F
My B23F had some 250,000 miles plus (odometer...

My B23F had some 250,000 miles plus (odometer busted, of course), but that pin didn't hold, and cam sprocket slipped its position. Hence, yours will fail with time.

Distributor - IIRC, on 1984...
Forum: maintenance & nonperformance 03-07-2021, 12:57 AM
Replies: 19
Views: 1,647
Posted By 84B23F
Thx...what a recall for vapor locking.

Thx...what a recall for vapor locking.
Forum: maintenance & nonperformance 03-06-2021, 10:35 AM
Replies: 19
Views: 1,647
Posted By 84B23F
Question...the fuel tank part number most likely...

Question...the fuel tank part number most likely change after 1975, due to adding an in-tank fuel pump, but would a 1984 fuel tank fit on a 1975? US versions, of course.

Someone had Volvo's...
Forum: maintenance & nonperformance 03-06-2021, 10:29 AM
Replies: 19
Views: 1,647
Posted By 84B23F
Interesting, I've spent some time scanning...

Interesting, I've spent some time scanning Volvo's FE7 (Class 7 semi-truck) microfiche of late 1980s vintage, and it follows "logically," diagram first, then parts' listings. I don't recall seeing...
Forum: maintenance & nonperformance 03-05-2021, 11:44 PM
Replies: 19
Views: 1,647
Posted By 84B23F
Correct....I've whizzed thru different OEM part...

Correct....I've whizzed thru different OEM part catalogs over the years...and in Volvo's, several pages of same diagram are sometime given, with part numbers being on next downward page. First time...
Forum: maintenance & nonperformance 03-05-2021, 09:59 PM
Replies: 19
Views: 1,647
Posted By 84B23F
This 1979-1984 parts catalog...

This 1979-1984 parts catalog (http://www.volvotips.com/index.php/240-260/volvo-240-260-parts-catalog/) can be downloaded...insert 281 for page, and look at it, then scroll down for part number.
Forum: maintenance & nonperformance 03-05-2021, 06:00 PM
Replies: 19
Views: 1,647
Posted By 84B23F
Diagram shows part #16, which is part number I...

Diagram shows part #16, which is part number I cited...Catalog error...

Den franske presidenten frågar då självfallet om de har en skruv lös.

The French President then naturally asks whether...
Forum: maintenance & nonperformance 03-05-2021, 02:13 PM
Replies: 10
Views: 1,414
Posted By 84B23F
"Some PSA engines also add a knock sensor for...

"Some PSA engines also add a knock sensor for ignition timing adjustment, perhaps this was achieved using an external Knock direction Regulator."
Forum: maintenance & nonperformance 03-05-2021, 02:06 PM
Replies: 10
Views: 1,414
Posted By 84B23F
Those at a BMW or a European forum may be better...

Those at a BMW or a European forum may be better suited for Qs&As...that said, when I get an used vehicle, its sits in the garage while I replace various sensors...along with brakes or whatever it...
Forum: maintenance & nonperformance 03-05-2021, 01:53 PM
Replies: 2
Views: 710
Posted By 84B23F
Thanks...I found one in my 240's glovebox...and...

Thanks...I found one in my 240's glovebox...and have no idea why it was there...none of those vehicles listed are related to previous vehicles I have owned.
Forum: maintenance & nonperformance 03-04-2021, 11:33 PM
Replies: 2
Views: 710
Posted By 84B23F
SKF Bearing BR13

Anyone knows where this bearing is used on a 240, or maybe a 940?

thx
Forum: maintenance & nonperformance 03-04-2021, 10:12 PM
Replies: 10
Views: 1,414
Posted By 84B23F
So, get a timing belt kit, and install it. ...

So, get a timing belt kit, and install it.

Read this Post Here (http://forums.turbobricks.com/showpost.php?p=6164146&postcount=7)
Forum: maintenance & nonperformance 03-03-2021, 12:14 PM
Replies: 29
Views: 3,220
Posted By 84B23F
If cylinder head is B17. B19. B21. B23. This part...

If cylinder head is B17. B19. B21. B23. This part inserted into cam sprocket slot may be defective...this pin holds cam sprocket in place.
.
.
See 28a in this diagram...
Forum: maintenance & nonperformance 03-03-2021, 09:29 AM
Replies: 17
Views: 1,513
Posted By 84B23F
From Wikipedia ...

From Wikipedia

https://upload.wikimedia.org/wikipedia/commons/6/65/Carburetor_icing_conditions.png
Forum: maintenance & nonperformance 03-03-2021, 09:22 AM
Replies: 17
Views: 1,513
Posted By 84B23F
Good ideas....yes, exhaust manifolds can be...

Good ideas....yes, exhaust manifolds can be coated...but in colder climates, intake needs the heat. "Carburetor icing is caused (https://en.wikipedia.org/wiki/Carburetor_icing) by the temperature...
Forum: maintenance & nonperformance 03-02-2021, 01:53 PM
Replies: 17
Views: 1,513
Posted By 84B23F
The Vapor Rub...

The Vapor Rub (https://www.caranddriver.com/news/a15339380/the-vapor-rub-summer-versus-winter-gasoline-explained/): Summer versus Winter Gasoline Explained - Every September 15, as we resist...
Forum: maintenance & nonperformance 03-02-2021, 11:01 AM
Replies: 17
Views: 1,513
Posted By 84B23F
Note - If intake manifold is being flooded with...

Note - If intake manifold is being flooded with fuel vapor on a hot start, hold peddle to floor for say several minutes before starting.
Forum: maintenance & nonperformance 03-02-2021, 10:58 AM
Replies: 17
Views: 1,513
Posted By 84B23F
Cold Starts - Farm tractors, semi-trucks, and...

Cold Starts - Farm tractors, semi-trucks, and pickups using diesel have used a high pressure Ether System (https://www.koldban.com/Ether_Systems_Why_Ether_s/26.htm) for a cold start....Diagram Pic...
Forum: maintenance & nonperformance 03-02-2021, 02:22 AM
Replies: 19
Views: 1,647
Posted By 84B23F
When comparing 1984 parts book (pg. 281: 947279)...

When comparing 1984 parts book (pg. 281: 947279) with 1985 parts book (pg. 231: 1254446), they changed the part number, but diagram is essentially the same.

A few minor changes, but based upon...
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