RE: RE: RE: Throttle stuck after TB cleaned - FIXED!

From: Brian (hskr@cox.net)
Date: Sat May 10 2008 - 20:11:11 EDT


Well, considering he didn't have ANY problems until AFTER he cleaned it, and
I know damn well washing off the lubricant when cleaning TBs WILL cause them
to stick from personal experience and more than a few other Dak/Dur owners
posting on other forums. And guess what?? Lubricating the shaft where it
passes between the two bores fixed it every single time and they never had
another problem. I doubt anything else is "in the mix" other than lack of
lubrication. As for the whole 45 degree angle thing, he said he felt it in
that position when moving it by hand with it OFF the motor, so I'd sure as
hell hope the vacuum from the engine didn't have any effect on it. At that
point the spring has enough tension to keep it from sticking, but that
doesn't mean it's not rough in that spot. Nice try though Bernd.

But hey, we can argue back and forth for days and neither one of us is going
to back down. His problem is fixed now by following the advice I gave in my
first reply. No need to linger on the subject, but I'm sure you will.

brian cropp

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Bernd D.
Ratsch
Sent: Saturday, May 10, 2008 4:28 PM
To: dakota-truck@dakota-truck.net
Subject: DML: RE: RE: Throttle stuck after TB cleaned - FIXED!

Wow...go figure. If it's in a 45 degree angle, the whole "theory" of engine
vacuum causing the sticking throttle is completely out the window (as with
closed, or any other position).

ANY of the modified, factory, or billet TB's will freeze up with nitrous
coming through it - heck, my old F&B did that (so did the factory V8,
Fastman, and APS 50mm's). The anti-seize will also wash off with a wet
system since fuel has a tendency to clean off lubricants.

Funny thing though - we run more than 60 TB services through the shop every
few weeks and NONE seize up, hang up, or bind due to cleaning. Heck, we do
hundreds every year without this issue - so obviously something else is in
the mix here.

On the bearing comment, some use a bushing, some are just a support journal,
and some use a bearing.

Again, look at the whole picture and try to think for a second - the TB's do
NOT hang unless there's something wrong in the shaft, bearing, or bushing
area (which includes TPS and Throttle Linkage). It's called diagnosing and
trying to figure out the How, What, and Why of the problem...which also
prevents it from happening again. Lube the throttle shaft - enjoy. It'll
come back - hopefully it won't hang up at a stop and cause an accident.

- Bernd

-----Original Message-----
From: Brian [mailto:hskr@cox.net]
Sent: Saturday, May 10, 2008 3:41 PM
To: dakota-truck@dakota-truck.net
Subject: DML: RE: RE: RE: RE: RE: RE: RE: RE: Throttle stuck after TB
cleaned - FIXED!

Wow, go figure. Bernd didn't have the right answer. And did you happen to
look and see if there was a bearing in the center between the blades?? If
the shaft is dry, it doesn't matter if it's in perfect shape, or not, there
is going to be extra resistance until you apply some sort of lubricant.
Bruce from F&B uses anti-seize because it resists freezing up with nitrous
use as compared to other lubes, and doesn't wear or wash off as easily.

brian cropp

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