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Search: Posts Made By: cleanflametrap
Forum: maintenance & nonperformance Yesterday, 04:51 AM
Replies: 3
Views: 173
Posted By cleanflametrap
Not on a 9xx, but yes, basically the same system...

Not on a 9xx, but yes, basically the same system on my daughter's 240. She could hear the main pump straining. She had to guide me closer to the sound, but yes, sounds different from one with poor...
Forum: maintenance & nonperformance 01-25-2020, 08:59 PM
Replies: 6
Views: 166
Posted By cleanflametrap
This makes me realize once more how lucky I am to...

This makes me realize once more how lucky I am to have acquired most of our cars as 2nd or 3rd owner, not so far down the line as to find hacks like what you found.
Forum: maintenance & nonperformance 01-25-2020, 08:51 PM
Replies: 94
Views: 2,468
Posted By cleanflametrap
Let me clarify. The wiring fault that would have...

Let me clarify. The wiring fault that would have destroyed the controller(s) did so in the past, presuming you have a new (upgraded) harness. I wasn't suggesting you presently have a wiring fault....
Forum: maintenance & nonperformance 01-25-2020, 06:48 AM
Replies: 94
Views: 2,468
Posted By cleanflametrap
I think you're on to something there. Looks like...

I think you're on to something there. Looks like in that old thread, the cause of the controller failures was the degraded insulation on the wiring harness. With the wiring to the frequency valve...
Forum: maintenance & nonperformance 01-24-2020, 01:31 PM
Replies: 94
Views: 2,468
Posted By cleanflametrap
Dwell really just references the ignition. The...

Dwell really just references the ignition. The recommendation to use a "dwell meter" is really made to measure duty cycle to mechanics in the 80's who had dwell meters. Dwell is number of degrees...
Forum: maintenance & nonperformance 01-24-2020, 09:20 AM
Replies: 18
Views: 2,250
Posted By cleanflametrap
Central Locking

Probably the key switch or its wiring. How about when you pull the knob up? Maybe start a new topic.
Forum: maintenance & nonperformance 01-24-2020, 06:53 AM
Replies: 94
Views: 2,468
Posted By cleanflametrap
I wouldn't be too quick to blame the car. The...

I wouldn't be too quick to blame the car. The dwell meters used back when your manuals were written were very simple, and not easily fooled. The 45 degree dwell represents a signal that is high 50%...
Forum: maintenance & nonperformance 01-22-2020, 05:59 PM
Replies: 5
Views: 331
Posted By cleanflametrap
http://cleanflametrap.com/rocker01.jpg ...

http://cleanflametrap.com/rocker01.jpg

http://cleanflametrap.com/rocker02.jpg

http://cleanflametrap.com/rocker03.jpg
Forum: maintenance & nonperformance 01-22-2020, 03:38 PM
Replies: 6
Views: 212
Posted By cleanflametrap
I'm not much on practicing prophylaxis on our...

I'm not much on practicing prophylaxis on our family fleet of 240s in general, preferring to wait for failure so I can practice diagnosis, so maybe my advice is not so helpful to your question. I've...
Forum: maintenance & nonperformance 01-22-2020, 12:21 PM
Replies: 6
Views: 212
Posted By cleanflametrap
Right. Sometimes the sensor bung is too, I...

Right. Sometimes the sensor bung is too, I guess, but not in my experience. :)
Forum: maintenance & nonperformance 01-22-2020, 09:06 AM
Replies: 6
Views: 212
Posted By cleanflametrap
One reason to change a sensor before it fails is...

One reason to change a sensor before it fails is it might become one with the pipe or converter after so many years in some environments. Like in Illinois.
Forum: maintenance & nonperformance 01-22-2020, 07:24 AM
Replies: 14
Views: 430
Posted By cleanflametrap
That sounds like the story of my life, sir. ...

That sounds like the story of my life, sir. Mistakes are too much fun to stop at one.:)
Forum: maintenance & nonperformance 01-21-2020, 07:38 PM
Replies: 30
Views: 1,509
Posted By cleanflametrap
Right. A boost controller is only concerned with...

Right. A boost controller is only concerned with the rate, not like the ignition amplifier which must have the correct timing and therefore know whether the trigger is positive or negative going.
Forum: maintenance & nonperformance 01-21-2020, 05:38 PM
Replies: 14
Views: 430
Posted By cleanflametrap
Yes, the 15 (R) pin runs the engine management so...

Yes, the 15 (R) pin runs the engine management so 15 (I) supplying non-engine loads can be turned off during cranking. The switch changed with the airbag year, 1990, not with LH2.4. Look for p/n...
Forum: maintenance & nonperformance 01-19-2020, 10:52 AM
Replies: 7
Views: 364
Posted By cleanflametrap
Beautiful! Regarding re-using the seals, I...

Beautiful!

Regarding re-using the seals, I thought I might do that as well, after measuring them.

http://cleanflametrap.com/calipers/thumbnails/caliper127.jpg
Forum: maintenance & nonperformance 01-19-2020, 09:24 AM
Replies: 18
Views: 658
Posted By cleanflametrap
And maybe the benefit of this and other new...

And maybe the benefit of this and other new safety technology is compromised by building driver overconfidence in them.
Forum: maintenance & nonperformance 01-19-2020, 09:21 AM
Replies: 14
Views: 1,354
Posted By cleanflametrap
I think the reaction time decline in a sensor's...

I think the reaction time decline in a sensor's life is due to contamination reducing the exposed surface area of the solid electrolyte in the sensor. That contamination can gather over many years...
Forum: maintenance & nonperformance 01-19-2020, 09:00 AM
Replies: 22
Views: 722
Posted By cleanflametrap
Just a side note on impact tools. Since I...

Just a side note on impact tools. Since I "invested" in a battery impact driver three years ago, I've only brought out the air tool once. I love this thing. Can do snow tire swaps on 3 cars on one...
Forum: maintenance & nonperformance 01-19-2020, 08:43 AM
Replies: 22
Views: 722
Posted By cleanflametrap
However, if the timing is where it belongs, I can...

However, if the timing is where it belongs, I can ignore the crank pulley as a suspect in squealing, poor alternator performance, or power steering faltering. Yes, if it is NOT where it belongs,...
Forum: maintenance & nonperformance 01-19-2020, 08:31 AM
Replies: 22
Views: 722
Posted By cleanflametrap
http://cleanflametrap.com/hattrick945.jpg

http://cleanflametrap.com/hattrick945.jpg
Forum: maintenance & nonperformance 01-18-2020, 08:21 AM
Replies: 22
Views: 722
Posted By cleanflametrap
Yeah, that's what I always did, but I have a...

Yeah, that's what I always did, but I have a timing light, so the OP has shown me a much quicker and easier way to check the integrity than reaching down past the fan with a paint marker and trying...
Forum: maintenance & nonperformance 01-18-2020, 08:02 AM
Replies: 18
Views: 658
Posted By cleanflametrap
First I heard of it was late 70's or early 80's...

First I heard of it was late 70's or early 80's working in the two-way radio industry. High power mobile transmitters were causing trouble with heavy dump trucks and semi-tractors so equipped.
Forum: maintenance & nonperformance 01-17-2020, 03:35 PM
Replies: 22
Views: 722
Posted By cleanflametrap
Very common issue, but what do you mean "break...

Very common issue, but what do you mean "break the rubber connection by removing the bolt without the holding tool?" How would you do this?

http://cleanflametrap.com/damper.jpg
Forum: maintenance & nonperformance 01-17-2020, 09:50 AM
Replies: 7
Views: 364
Posted By cleanflametrap
Always carried this notion these bolts were...

Always carried this notion these bolts were torque-to-yield. I don't know where I obtained that notion, so I don't want to begin another myth.

But as yet I've not ventured to rebuild a caliper...
Forum: maintenance & nonperformance 01-16-2020, 12:20 PM
Replies: 2
Views: 230
Posted By cleanflametrap
The first TIK TIK is the idle valve. The test...

The first TIK TIK is the idle valve.
The test does not test the service injectors sequentially - they all can only open simultaneously. Disconnect them three at a time if you want to compare one to...
Forum: maintenance & nonperformance 01-16-2020, 08:46 AM
Replies: 94
Views: 2,468
Posted By cleanflametrap
I'll take the simple question. :) I've read...

I'll take the simple question. :)

I've read many times this happens when you have the cap removed and forget to secure the clips while someone cranks.
Forum: maintenance & nonperformance 01-15-2020, 09:44 AM
Replies: 22
Views: 722
Posted By cleanflametrap
Thanks for the tip. For initial troubleshooting,...

Thanks for the tip. For initial troubleshooting, connecting a timing light is quicker, cleaner, and easier than marking the pulley sections and waiting for them to separate. Bravo!
Forum: maintenance & nonperformance 01-15-2020, 09:31 AM
Replies: 94
Views: 2,468
Posted By cleanflametrap
Cam sprocket timing mark

I would need a little more precision than observing the lobe positions. The sprocket itself is marked with a divot on the outer rim which lines up exactly with the shaft keyway. The inner belt...
Forum: maintenance & nonperformance 01-13-2020, 07:24 AM
Replies: 31
Views: 1,498
Posted By cleanflametrap
Behind the grill, the horn gets the brunt of the...

Behind the grill, the horn gets the brunt of the weather, and a rusty horn creates less sound and requires more current, so a relay will show improvement, but so will a new stock horn.
Forum: maintenance & nonperformance 01-13-2020, 07:14 AM
Replies: 3
Views: 524
Posted By cleanflametrap
The fuel pressure regulator serves to keep the...

The fuel pressure regulator serves to keep the fuel quantity stable when the throttle is opened, so engine management can rely on exactly how much fuel will pass through the injectors when the...
Forum: maintenance & nonperformance 01-12-2020, 02:44 PM
Replies: 30
Views: 1,509
Posted By cleanflametrap
The signal comes from EZK just like you said. ...

The signal comes from EZK just like you said. Pin 16. See my earlier post #9. :-)

My terminology: EZK = ICU Ignition Control Unit
Power stage is the amplifier on heat sink under the hood.
Forum: maintenance & nonperformance 01-12-2020, 09:49 AM
Replies: 30
Views: 1,509
Posted By cleanflametrap
:nod:

:nod:
Forum: maintenance & nonperformance 01-07-2020, 09:57 AM
Replies: 4
Views: 510
Posted By cleanflametrap
Same answer looking at a B21FT motor in an '83...

Same answer looking at a B21FT motor in an '83 244. Top hose comes from the head. On the other side of the firewall, that top nipple runs to the heater control valve.
Forum: maintenance & nonperformance 01-07-2020, 07:55 AM
Replies: 19
Views: 724
Posted By cleanflametrap
Rebuild the stock speakers... That's what I did...

Rebuild the stock speakers... That's what I did in my '79, where the speaker is very thin and mounts to the door's sheet metal. Even the grille is low profile.
...
Forum: maintenance & nonperformance 01-06-2020, 08:50 PM
Replies: 19
Views: 724
Posted By cleanflametrap
That's just how I feel about those things every...

That's just how I feel about those things every time I get involved in one. :-D
Forum: maintenance & nonperformance 01-06-2020, 10:44 AM
Replies: 19
Views: 724
Posted By cleanflametrap
Maybe you should try to test my guess before...

Maybe you should try to test my guess before running out to the hardware store, because I'm not so sure I'm on track here. Neither do I imagine Home Depot has anything better.

You can pull...
Forum: maintenance & nonperformance 01-06-2020, 10:13 AM
Replies: 19
Views: 724
Posted By cleanflametrap
I'm with you. Not so important the word VOLVO is...

I'm with you. Not so important the word VOLVO is on the speaker grille, but the mounting method can't be killing the door card opening. Thanks for the link and sorry for my failure to find it. ...
Forum: maintenance & nonperformance 01-06-2020, 09:41 AM
Replies: 19
Views: 724
Posted By cleanflametrap
Are you saying the removable cover does not snap...

Are you saying the removable cover does not snap into the frame even without a speaker, as in on your worktable?

I don't think I've ever seen them fit together nicely in the car because the...
Forum: maintenance & nonperformance 01-06-2020, 09:32 AM
Replies: 3
Views: 517
Posted By cleanflametrap
http://cleanflametrap.com/85body32.jpg

http://cleanflametrap.com/85body32.jpg
Forum: maintenance & nonperformance 01-06-2020, 04:22 AM
Replies: 6
Views: 655
Posted By cleanflametrap
Hesitate to post here because I'm a 240 owner. ...

Hesitate to post here because I'm a 240 owner. Only see 740's and 940's in the junk yard and that's been a while now.

No, there's no separate fuse, I'm sure of that. Even if the lock motor...
Forum: maintenance & nonperformance 01-05-2020, 09:31 AM
Replies: 94
Views: 2,468
Posted By cleanflametrap
Here's one I took from a German site about 20...

Here's one I took from a German site about 20 years ago.

<a href=http://cleanflametrap.com/kjetvideo.mpg><u>Injector Spray Video</u></a>
Forum: maintenance & nonperformance 01-05-2020, 08:25 AM
Replies: 7
Views: 701
Posted By cleanflametrap
Getting a hood home from the PNP wasn't quite as...

Getting a hood home from the PNP wasn't quite as easy as I thought it would be.

http://cleanflametrap.com/hood7932.jpg

A little oxygen expended makes it more manageable. Definitely avoid...
Forum: maintenance & nonperformance 12-30-2019, 09:59 PM
Replies: 30
Views: 1,509
Posted By cleanflametrap
Yes, if EZK, not pin 1, but pin 16 from the ICU...

Yes, if EZK, not pin 1, but pin 16 from the ICU to the power stage is a 5V signal. The one from 17 to pin 1 of the LH2.4 ECU is pulled up to battery voltage.

http://cleanflametrap.com/ezk9043.jpg
Forum: maintenance & nonperformance 12-29-2019, 06:31 PM
Replies: 7
Views: 1,208
Posted By cleanflametrap
Damn, that's not "badly" animated, that's...

Damn, that's not "badly" animated, that's impressive! Sorry you had to go back in there.

Another year of cussing broken, brittle plastic, and rubber turned to mush, maybe even worse than rust. ...
Forum: maintenance & nonperformance 12-28-2019, 07:36 AM
Replies: 10
Views: 741
Posted By cleanflametrap
Gland nut is my guess as well. What is...

Gland nut is my guess as well. What is "boomer-snark?"
Forum: maintenance & nonperformance 12-28-2019, 07:33 AM
Replies: 15
Views: 960
Posted By cleanflametrap
Probably should have made reference to the...

Probably should have made reference to the cracked old solder joints plaguing all the wave-soldered electronic "relays" in these cars. No reason why the chime should be an exception. Just under...
Forum: maintenance & nonperformance 12-24-2019, 05:06 AM
Replies: 6
Views: 661
Posted By cleanflametrap
If that white smoke was not coolant, do you think...

If that white smoke was not coolant, do you think it was unburned fuel?

Do this simple test. Shut the motor off. Open the hood, and disconnect the vacuum hose from the front of the fuel pressure...
Forum: maintenance & nonperformance 12-23-2019, 10:03 PM
Replies: 40
Views: 3,675
Posted By cleanflametrap
I'm not into dumping firmware, but I can tell you...

I'm not into dumping firmware, but I can tell you the hardware is different. The EGR -933 has this extra device - the one with the green text over it. The ECU came with an 89 (non-egr) 245 I...
Forum: maintenance & nonperformance 12-23-2019, 05:33 PM
Replies: 40
Views: 3,675
Posted By cleanflametrap
Just noticed another quirk which could add...

Just noticed another quirk which could add confusion to the discussion. My -146 EZK is built on a -169 PC. Among the three EZKs I have loose to look at, all are done on the same basic foil layout...
Forum: maintenance & nonperformance 12-23-2019, 04:49 PM
Replies: 40
Views: 3,675
Posted By cleanflametrap
My QRP (Quick Reference Parts) book for '91 shows...

My QRP (Quick Reference Parts) book for '91 shows the EZK for EGR is p/n 3501688. The one for "W/O EGR" is p/n 3531325, which is the p/n on the two -169 examples I have which are not EGR capable.
...
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