| Re: [GMCnet] What am I missing here? [message #328820] |
Sat, 03 February 2018 21:30  |
Sammy Williams
Messages: 522
Registered: August 2010
Karma: -2
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You tube may have vids on this. Also if equipped, lube the rodthat actuated
the pump that will hold it up away from the pump as you install it. If the
engine has no rod, you may rotate it slightly to get a cam (weird shaped
peice) to move back so you can get the pumps "pawl" or level in the hole
for the pump to seat.
Sammy Williams
On Feb 3, 2018 20:42, "Ken Burton" wrote:
1978 Eleganza w/ 403 engine. I am trying to replace the fuel pump. I
looked at the new one and feel but con not see the the top mounting bolt
area.
There is a slot in the mounting area the looks like it was designed to
start the bolt and slide the pump under the head. I tried to reverse that
procedure removing it and was unsuccessful. I ended up removing both bolts
and now I can pull the pump about 1 to 1.5 inches out and then it hits an
AC mounting casting above it. I can not get it to clear the casting.
I know is is a simple job because I watched Al Branscome change a pump on
his in about 30 minutes at Bean Station.
I gave up for the night and cme home. I was 28 degree when I left. When I
came home I looked in the 1977-78 maintenance supplement and all it say
under fuel pump is "Correct as Necessary"
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] What am I missing here? [message #328822 is a reply to message #328820] |
Sun, 04 February 2018 00:41  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Sammy, I can not see inside the hole but I understand this pump are rides on a separate cam lobe mounted of the front of the engine (not off of the cam itself). The pump has along arm that looks like is rides the top of a lobe. I have never seen inside a 403 so I could be mistaken.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] What am I missing here? [message #328830 is a reply to message #328820] |
Sun, 04 February 2018 12:27 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Wrong, I meant KEN.
Jim Hupy
On Feb 4, 2018 10:25 AM, "James Hupy" wrote:
> Bob, I have finagled more than a few of those things in around the ac
> bracket on the 403's. You kind of have to turn the pump a bit
> anti-clockwise to clear the bottom of the bracket. The top fastener is a
> combination nc/nf stud. The nc end screws into the block, and a nf nut and
> flat washer go on the outboard end of the stud. Just screw the nut on a few
> threads and install the pump. I usually stick the gasket onto the pump, so
> I don't have to mess too much with aligning it. The nut and stud act like a
> fulcrum to allow you to pry the operating lever a bit when the cam is
> trying to operate it. Wouldn't it be nice to reach in there without the A/C
> pump in the way?
> Jim Hupy
>
> On Feb 4, 2018 10:02 AM, "Ken Burton" wrote:
>
> Actually the opposite is happening. With the pump all the way down. The
> arm is hitting the upper part of the hole in the block so the pump will not
> go low enough to clear the AC mount.
>
> You just gave me an idea that I did not try. When I go back I will push
> the pump all the way up and see I can get it to clear the AC bracket that
> way.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
>
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| Re: [GMCnet] What am I missing here? [message #328834 is a reply to message #328830] |
Sun, 04 February 2018 13:13 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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James Hupy wrote on Sun, 04 February 2018 12:27Wrong, I meant KEN.
Jim Hupy
I'll answer to any name as long as I'm getting good information.
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] What am I missing here? [message #328835 is a reply to message #328830] |
Sun, 04 February 2018 13:24 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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James Hupy wrote on Sun, 04 February 2018 12:27Wrong, I meant KEN.
Jim Hupy
On Feb 4, 2018 10:25 AM, "James Hupy" wrote:
> Bob, I have finagled more than a few of those things in around the ac
> bracket on the 403's. You kind of have to turn the pump a bit
> anti-clockwise to clear the bottom of the bracket. The top fastener is a
> combination nc/nf stud. The nc end screws into the block, and a nf nut and
> flat washer go on the outboard end of the stud. Just screw the nut on a few
> threads and install the pump. I usually stick the gasket onto the pump, so
> I don't have to mess too much with aligning it. The nut and stud act like a
> fulcrum to allow you to pry the operating lever a bit when the cam is
> trying to operate it. Wouldn't it be nice to reach in there without the A/C
> pump in the way?
> Jim Hupy
>
> On Feb 4, 2018 10:02 AM, "Ken Burton" wrote:
>
> Actually the opposite is happening. With the pump all the way down. The
> arm is hitting the upper part of the hole in the block so the pump will not
> go low enough to clear the AC mount.
>
> You just gave me an idea that I did not try. When I go back I will push
> the pump all the way up and see I can get it to clear the AC bracket that
> way.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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That is exactly what I was looking for. This one is slightly different in that it had a bolts rather than a stud on top and bolt on the bottom. I'll try your rotation to see if that works.
Do not expect a quick response back.
We are suffering through global warming here as we have all winter. The temp will be below freezing for the 7 days. 5 degrees tonight. Highs in the mid to lower 20's for the next 7 days. Yesterday was the warmest day and I did not get the job done.
Thank you for the info. That is what I needed. Someone who has done it before.
Thanks again
Ken
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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