Interesting find, at least for me. Some of you may have already known this, but I never did. When I've replaced starters or worked on them for my own cars, I would get new starter (Delcos came with solenoids already attached) and bolt it up. Easy peasy.
I was contemplating on rebuilding my original OE unit with Delco junk like I did the alternator, so I did something I don't usually do. Read the tech manual about the starter motor. While I knew a lot about the starter mechanicals, the electrical part was mainly what I was trying to learn more about. Testing stuff for the most part. Anyway, I ran across something that sorta makes sense, but TBH, I've never known about it before. And that's sealing the solenoid area where it bolts up against the housing.
The sealer called out in the CSM is the old, now defunct, gasket sealer that's been used for millions of cars. Sealer GM p/n 1050026. I'm pretty sure Permatex non-hardening sealer will do the job just as well, however. It's strange that I recall the can the stuff used to come in looked EXACTLY like the Permatex sealer can, except for the GM label on it. I can't say for sure, but I'm guessing like most things, Permatex made the sealer for GM. Regardless, good luck getting a can of that junk since it's been disco'ed for a while now.
Just a thin film. The starter also uses the same as the distributors and alternators as far as bushing lube, GM p/n 1960954. Although by today's standards, Mobil 1 full-synthetic grease NGLI should work just fine as probably better substitute. I've seen lithium grease used on Chevy box store rebuilds, though. A 1 lb. tub of that can be had at Otter Zone, or just about anywhere for about 11 bucks. Point is, it's one of those deals where you don't lube the bushings every day, and need a long lasting grease that will hang in there for the long haul.
Anyway, I just thought I'd share a tid-bit I learned about solenoid sealing with the stuff out of the CSM. Something I've personally never done, nor even knew about. Funny, never had an issue with it anyway.
I was contemplating on rebuilding my original OE unit with Delco junk like I did the alternator, so I did something I don't usually do. Read the tech manual about the starter motor. While I knew a lot about the starter mechanicals, the electrical part was mainly what I was trying to learn more about. Testing stuff for the most part. Anyway, I ran across something that sorta makes sense, but TBH, I've never known about it before. And that's sealing the solenoid area where it bolts up against the housing.
The sealer called out in the CSM is the old, now defunct, gasket sealer that's been used for millions of cars. Sealer GM p/n 1050026. I'm pretty sure Permatex non-hardening sealer will do the job just as well, however. It's strange that I recall the can the stuff used to come in looked EXACTLY like the Permatex sealer can, except for the GM label on it. I can't say for sure, but I'm guessing like most things, Permatex made the sealer for GM. Regardless, good luck getting a can of that junk since it's been disco'ed for a while now.
Just a thin film. The starter also uses the same as the distributors and alternators as far as bushing lube, GM p/n 1960954. Although by today's standards, Mobil 1 full-synthetic grease NGLI should work just fine as probably better substitute. I've seen lithium grease used on Chevy box store rebuilds, though. A 1 lb. tub of that can be had at Otter Zone, or just about anywhere for about 11 bucks. Point is, it's one of those deals where you don't lube the bushings every day, and need a long lasting grease that will hang in there for the long haul.
Anyway, I just thought I'd share a tid-bit I learned about solenoid sealing with the stuff out of the CSM. Something I've personally never done, nor even knew about. Funny, never had an issue with it anyway.
