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Caterpillar 3208 Solutions This sub-forum is hosted by Mike Hohnstein who has been at this kind of thing for 50+ years now, guess I'm addicted. The saga has been all about progressively larger shop space since then. Honestly, never wanted to get into the CAT 3208's that were originally considered to be a throwaway engine but that's all that works in a FC in my world. Same thing with my Ford toter, that came with a NA, too much effort to hang in a 6, so been at it with the CAT V-8 for 20 years now. In reality you can get excellent life out of a CAT 3208 if it's built correctly. Post your questions about the CAT 3208 engines here and Mike will try to help you out.

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  #1  
Old 04-20-2021
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DFB052686 DFB052686 is offline
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Default Front crank seal identification. Is it missing?

I have the front of the Rare Bird open, doing “everything” that I can.

I pulled the harmonic balancer, and apart from the rubbing and leakage, I cannot tell if the seal is an old style. Maybe it’s just filthy, will be doing more investigation now... this should cure one slow leak in the mean time!

Another question, The new 7c6660 seal looks to go in and remain flush with the outside of the engine, is this the case? Anyone have pics or FSM info on the new seal, the available info from cat is not helpful to my understanding. And has no installation specs.
The
I have the 5p4194 installer tool on the way, cat SIS states it needs machining to work with the new style seal. But a good *not* local old school mechanic says it’s not complex and shouldn’t be hard to install.

Edit, cleaned some and it’s red, definitely there and definitely leaking.
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-Dennis (direct email please! dennis@wanderlodgeowner.com)
Hesperia, California

1987 FC31 “A Rare Bird”
(300HP 3208TA/ZF)

Towables:
94 Dodge Ram 2500 4x4, 28’ Wells Cargo Express Wagon

Last edited by DFB052686; 04-20-2021 at 03:31 PM. Reason: Cleaned some stuff.
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Old 04-20-2021
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Steelwheels Steelwheels is offline
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Originally Posted by DFB052686 View Post
I have the front of the Rare Bird open, doing “everything” that I can.

I pulled the harmonic balancer, and apart from the rubbing and leakage, I cannot tell if the seal is an old style or even not there. Maybe it’s just filthy, will be doing more investigation now... this should cure one slow leak in the mean time!

Another question, The new 7c6660 seal looks to go in and remain flush with the outside of the engine, is this the case? Anyone have pics or FSM info on the new seal, the available info from cat is not helpful to my understanding. And has no installation specs.

I have the 5p4194 installer tool on the way, cat SIS states it needs machining to work with the new style seal. But a good *not* local old school mechanic says it’s not complex and shouldn’t be hard to install.

Yeah it’s easy, 5 minute job. Clean out the place where the new seal is going. Brake clean works. Remove the red plastic ring inside the seal, that says do not remove till installing, place seal on install tool, and slide it in with the crank nut. Instal it dry, it will be flush when you use the tool. The tool makes it super easy.
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Old 04-20-2021
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https://www.youtube.com/watch?v=U-XiuiODjrM
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Old 04-20-2021
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Originally Posted by Mike Hohnstein View Post
Well that puts things in perspective. Those guys don’t even have a shade tree, and how’s that guy wearing white and not getting covered in grease.
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Old 04-20-2021
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DFB052686 DFB052686 is offline
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Quote:
Originally Posted by Steelwheels View Post
Attachment 74542

Yeah it’s easy, 5 minute job. Clean out the place where the new seal is going. Brake clean works. Remove the red plastic ring inside the seal, that says do not remove till installing, place seal on install tool, and slide it in with the crank nut. Instal it dry, it will be flush when you use the tool. The tool makes it super easy.
Thanks! I was reading your experience with this, just before I posted.


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Originally Posted by Mike Hohnstein View Post
Not sure if you were besmirching my working conditions when the video started... then lots of stuff going on after the engine is going back together that’s good to see outside a manual.

Thanks guys.

Just left cat with more new parts, one core lighter, and a nut/washer that was lost.
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-Dennis (direct email please! dennis@wanderlodgeowner.com)
Hesperia, California

1987 FC31 “A Rare Bird”
(300HP 3208TA/ZF)

Towables:
94 Dodge Ram 2500 4x4, 28’ Wells Cargo Express Wagon
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Old 04-20-2021
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“Table? We don’t need no stinking table.” Those guys do nice work.

Darryl
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Old 04-20-2021
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It's the sterile environment that works for them.
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Old 04-20-2021
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And not a torque wrench in sight. Old school, baby!!
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Old 04-20-2021
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They got that new Snap-On parts washer.
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Old 04-20-2021
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Default I couldn’t watch that

I’ve spent plenty of time wrenching in the dirt. But anyway, front seal was smooth with that install tool. I also heated the new balancer up in my garage oven and it slid right on with the help of a long rod in the crankshaft.
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