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Lately I was pushed to take pictures with my phone =_= I miss my DSLR, but it still got fixed *A*
sorry client xD
Photos posted to link to this car's project thread on the Cadillac message boards.
Wow, I think this marks my greatest length of thread-neglect! Almost 5 months! This isn't the new normal though, I will have some time again to work on the car and clear out my parts shelf which once again is getting a little cluttered with the crap I buy on ebay.
I have not done much to the car since my last update besides drive it until the first snow in December. The alternator remains un-rebuilt. Fortunately (?) I made a discovery that the noise I was hearing under certain conditions was not the alternator at all, so it won't need anything besides diode replacement (coming soon).
Now, I did find where the noise was coming from-one of the A.I.R. check valves had failed and sounded something like an accordion for a few minutes when the car was restarted hot. The A.I.R. system switches between two modes of operation-one in which the pump pushes air into the exhaust manifolds, and another in which air gets shot into the catalytic converter-both of which help to keep emissions down. The mode selected depends on what conditions the ECM sees. The check valves keep the boiling hot dirty exhaust from flowing into the hoses and pump which would ruin them in short order-ironically kind of like a diode! In my case, the check valve for the exhaust manifold had failed or was beginning to and on a hot restart the air from the pump would disturb it to create that annoying noise. So it needed to be replaced. Here is the part in question in case you have never heard of/seen it (I didn't)
It is in the vicinity of the power module
The little bastard screws onto a "T" fitting that looked more like plumbing equipment than an auto part to me. On each side of the T, there is a metal line that runs to each exhaust manifold. Clean air flows through the check valve when the switching valve directs air to it.
While the two lines came off easily, the check valve itself was stuck like you would not believe. The tee fits into a 7/8ths wrench, and the captured nut on the valve is 1 inch, and using my two largest wrenches on each with every ounce of strength I had I was only able to break them loose after soaking in transmission fluid for a few days. And even then just barely.
The exact part number of the failed valve was not available so I substituted another one that was otherwise identical. I suspect the differences in part numbers (there are a ton of them) have to do with unique backpressures for every engine configuration GM made across all their cars. I bought one spec'd for a 307 Olds V8, which I figure is as close to the 4100 in terms of back pressure as I could get. Could be totally wrong on that too. Anyway, it no longer makes the noise!
Now the other part of the A.I.R. system is for the catalytic converter. The check valve on this one was good, and I suspect it lives a much easier life than the one for the manifolds as it is not subjected to the high pressures or heat. But it needed love too, when I had the catalytic converter changed, the shop cut off the end of the pipe which entered the old bead converter at a 90 degree angle and used high temperature hose to make the connection.
I can't say I was happy with the way it looked but it seemed to do the job. Except that when braking or accelerating hard, the hose would allow the metal tubing (now loose) to move back and forth which made for an annoying knock. I wasn't sure what to do but I was certainly surprised when I learned Rockauto still stocks this pre-bent metal tubing unique for the 84-85 Eldorado. Go figure. I ordered it and when it arrived, I was disappointed to discover that it lacked the mounting bracket that goes up near the engine. So I ended up taking my old and new tube to a welder who transferred the bracket to the new one for me.
I also put a new check valve on it. Note that this valve lacks the captured nut. That is a catalytic converter check valve and it is physically smaller than the one for the manifold. They thread size is the same, but the nipple is the part that won't allow you to put the other diameter hose on it.
Here it is mounted to the "new" cat. I have to spin that clamp at the Y fitting, it should face the passenger side. Bah shops! So, that concludes today's edition of what invisible repair I managed to waste my time and money on!
Motivational Work Quotes Success #024 we dedicate this day to you. We provide many kind of quotes in the picture. You can save pictures quotes in your gadgets, share on social media, and download images quotes as you like. To get various quotes images similar Motivational Work Quotes Success #...
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Friends (old neighbours and old work colleagues) are due to give birth to their IVF baby in about 8 weeks. They are also avid protectors, lovers and breeders of WA's reptile species. The gold banded python (woma) is Seargent and the black headed python is Arial. Karen takes them both out to visit primary school kids with her business Radical Reptiles.
I was at the Coconut Grove Art Festival this weekend. A couple of pieces caught my eye. I was being exceptionally lazy and did not grab either the artists name or the title of the work.
The 0-6-0T is still a placeholder, but I have now completed a second combo. These will be part of the expansion to my California State Railroad Museum display.
Camera: Leica SL2
Lens: NOKTON 50mm F1.5 ASPH
Option: SHOTEN LM-LSL
Retouch: Lightroom Classic CC 11.0.1
Factory Work Floor
The factory work floor of the old Ferrum foundry.Shot through a dusty office window…
More about Ferrum
Child working at cerro rico mines ,Potosí Bolivia.
This kids work in very bad conditions,as a century ago was used.,coca leaves and alcohol is needed due the high altitude.,4500 meters above the sea level in some mines.His job is very hard even for an adult man.He's quechua speaker,the Inca language.
Niño trabajando en el cerro rico de Potosí,ellos trabajan en muy malas condiciones como se hacía cien años atrás.Hojas de coca y acohol son usados debido a la gran altitud,4500 metros sobre el nivel del mar en algunas minas.Él es quechua hablante,el lenguaje del Inca.Su trbajo es muy duro aún para un hombre adulto.
Having our work lunch with my fellows at work, a day before the holidays...
It was in this very neat Mexican restaurant called "Mexican Radio".
I had chicken burito, it was OK, the chicken peices was in the dry side... I had to dump whats left of the salsa dip on it, to make it better.
Margarita was good!
Back to work after was not easy...
...horses.
We only see them when they are on duty, but behind the scenes, they have daily routines and training that keeps them a valuable part of our city’s Police Force.”
Photography by Craig McClure
© 2011
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Been trying out some scenery techniques, including using unsanded grout for dirt and making my own grass tufts. There might be some possibilities here.
It looks like someone let loose a pack of hyenas inside my cubicle. Good grief.
And I'm pretty sure my MacBook Pro has a bigger monitor than the one sitting at my desk!
WORK Schwert SC5
Gunmetal Cut Clear (GMP2) Finish
20x9.5 -5 (R-Disk)
20x10.5 -7 (O-Disk)
5x114.3
Note: center caps shown not inserted
Hard-core work tabi. Rubberized wool socks, pefect for climbing bamboo scafolding like some ninja. Sensible footwear for someone off to see this:
At work coming my way this guy in monkey suit, I got a "Hi Heath". I thought I know this guy. Later when asked why he was wearing the monkey suit, he said "Why not".
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