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Actually, silicon brake fluid is good enough lube for the pistons. The problem with corrosion/leaking is more likely when the master cylinder has the poppet check valve instead of the breather line. This allows negative pressure to build in the master cylinder. This can cause the influx of...

IDENTICAL to OD Iron. Good to go! Thanks for the source!

Thanks for the good luck, all that was wrong was one of the diodes, NSN 6145-01-192-1643, GM part number 12006377. Since GM no longer supports the M1010, that is a rare part on the GM network and at least one other has it..Once Upon a Part But it is a COTS diode, original was Motorola which...

Do the Banks turbo kits change the IP's injected quantity? Because the 6.2, like most other diesels, is running lean most of the time anyway. Power in a diesel is from fuel, not manifold pressure. Sure, if you have the IQ turned way up to where the engine is blowing black smoke, a turbo will...

Certainly the above. The engine-driven pump would be my last guess since it is running fast at the conditions of the surge. If the fuel filter purge gives good fuel flow at idle, it isn't likely to be the pump. Filter? Definitely possible. Pickup sock? Also a good possibility although...

Correct. Passenger side it the "high" side generator, the negative terminal is at +12 volts with respect to ground.

Yes, the Harrison compressor is a bulletproof draft horse, it is an evolution of the Frigidaire units. I don't like R134a conversions because of lubricant swap. The R406a refrigerant uses the same lubricant so there is no issue with seals or lines. A complete kit for total charge and...

That sounds like the regulator isn't working correctly on that generator. This is the generator which supplies the 12 volt loads and is the most heavily worked alternator. No generator light on?

Thanks for all the help, the downloads did a lot of clearing the "muddy water". Since I can troubleshoot and repair electronics down to component level, this seems to be the least cost repair. Now, onto the M1010s air conditioner! Yes, devoid of any R12 pressure. Since that is $60 a pound...

Yes. You could replace with equivalent sized (in microfarad) 50 volt or greater capacitors. Some electrolytics are polarized, be sure to install correctly.

Noise (electrical and RF) supressor. Leave it be, it is reducing the ripple in the rectified DC output of the alternators.

TDI/MDI have appreciable vapor pressures and using spraying equipment, levels are potentially problematic. Furthermore, the relatively low molecular weights of these isocyanates means activated carbon filtration isn't effective. With the newer CARC, the diisocyanates are much larger molecular...

Yep, you found me![thumbzup] TexAndy is 1Andy2, Texrdnec is here along with N_T! There are others...who are you?rofl

Page 8-4 of the -20 available here. Note middle of the page. Not needed, may be discarded. Not on 1984 but may be present on 85-87 vehicles.

Modern EFI diesels are well-protected from EMP. Will the 6.2 start without the glow plug card? I know my EFI diesel will easily start without the glow plug relay (which functions like the GP card in the 6.2, measuring GP current and temperature rise time). The key is the injection pump. In...

Wow, no toluene or methylene diphenyl diisocyanates!!! That means no need for airline respirators! These were the extremely toxic components of earlier solvent-borne polyurethanes. Polyurethanes are typically products of reaction between a double alcohol (diol, HO-R-OH) and a diisocyanate...

Cool. I think from the measurements I made tonight the system is working, it is just working too well, overcharging the front battery. I could smell the acrid stench of battery boiling (actually outgassing, it was barely warm to touch). The -34 TM detailed adjustment, showing the front...

I think I know how the Duvac works. The Leece-Neeville alternators are 28 volt, 100 ampere. The lower unit feeds into the 24 volt battery system directly while the upper alternator feeds into the Duvac which reduces the voltage to maintain the 12 volt subsystem, regardless of load. The...

Optima Spiracell batteries are great for light weight and vibration resistance plus being valve regulated sealed, they handle high temps better than flooded cell. Since these vehicles have isolated batteries from the engine compartment, that one advantage isn't needed. And because there is...

If you have a real M1009, the alternators are wired in series and are each 12V, making the 100A, 24V charging system. By running the inverter off only one battery, you are asking for trouble. The voltage depression off the one battery will force both alternators to charge which will...