6.5L non-turbo w/ DB2 - how to remove throttle shaft? - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Old 08-27-2017, 05:39 PM   #1 (permalink)
xexorz
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6.5L non-turbo w/ DB2 - how to remove throttle shaft?

So I'm folloing the tech manual for rebuilds on this pump to remove and replace the o-rings (but in chassis...)

The pump manual doesn't show the throttle shaft w/ the position sensor pin in place (looks solid, not a roll pin).

I'm trying to remove that before I go any further but can't seem to make it budge (I don't want to wack it as I'm afraid of bending the shaft or harming the housing of the pump).

Any idea how that pin comes out?

For clarification, this is the pin on the end of the throttle shaft which interfaces with the black plastic throttle position sensor that mounts to the outside of the FIP.

Many thanks!

X

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Old 08-27-2017, 06:47 PM   #2 (permalink)
Glagulator
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It is a pin you knock out but not a roll pin.
looks like this-
https://www.ebay.com/p/5315-01-167-5...7406/547740927

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Old 08-27-2017, 07:49 PM   #3 (permalink)
DieselPro
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You knock them in and out with a hammer. Some are a little tight but will come out. Regular ballpein hammer should do it.

Where you have to be careful is tightening the face cam. Just enough to snug it up is fine. Go more than that and the face cam will crack.
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Old 08-28-2017, 12:23 PM   #4 (permalink)
xexorz
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I figured it out - the pin is directional and seats once fully inserted. I was trying to knock it out the wrong way - go figure!

After further consideration I don't think I'll be able to get the shaft all the way out without removing the intake manifold... I think I'm just going to bring the truck to a pump shop and have them swap it out for a rebuild. I'm going to start another thread now to ask for suggestions on what else to have them look at / replace while they're in there with the manifold and pump off.

Thanks!
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