fuel pump replacement
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
There is a mark on the harmonic balancer that needs to be lined up with the pointer on the CPS .. Its impossible for the pump to pop up out of the intake ....The length of the tappet will not let it beyond its designed stroke...
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
^^^^^ That tells you when the _CRANK_ is at TDC for the #1 cylinder. Even if the lobe on the _CAM_ for the fuel pump were clocked so that when it's at its peak, it corresponds with #1 TDC on the crank, there's still only a 50/50 chance that, when the crank is at #1 TDC, the cam will be in the right position.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
I'll respond to you like you responded to me ...(omitting a few facts )
How do you expect the pump to be pushed up out of the intake , when it is physically impossible ?Especially with a worn out pump that most likely has been corroded in place there for many years ...
How do you expect the pump to be pushed up out of the intake , when it is physically impossible ?Especially with a worn out pump that most likely has been corroded in place there for many years ...
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
The pump is in the block, not the intake. Whether the pump comes up or not, if the crank is in the right position, there's a 50/50 chance that the lobe on the cam will be all the way down rather than all the way up. This introduces the risk that the tappet will fall into the crankcase. And if the pump's arm is all the way down, the tappet should push the pump up IF the bolts are loose.
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Fleet Mechanic
Joined: May 2005
Posts: 1,739
Likes: 14
From: Vale, NC
Let us know how it turns out for you. I'm sure you'll do great.
Thread Starter
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Junior User
Joined: Feb 2008
Posts: 64
Likes: 0
From: Little Rock, AR
The pump is in the block, not the intake. Whether the pump comes up or not, if the crank is in the right position, there's a 50/50 chance that the lobe on the cam will be all the way down rather than all the way up. This introduces the risk that the tappet will fall into the crankcase. And if the pump's arm is all the way down, the tappet should push the pump up IF the bolts are loose.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
I can't believe I am wasting my time on this . IT IS PHYSICALLY IMPOSSIBLE FOR THE TAPPET TO PUSH THE FUEL PUMP OUT OF THE ENGINE ...YOU MAY BE ABLE TO FEEL THE END OF THE STROKE ,NOTHING MORE . Have at it . A brand new pump installed 5 mins before will be hard pressed to pop up out of the motor . Keep spreading your BS if it makes you feel better .You seem to be picking & choosing the things you call me out on ..When there is a real issue , you don't have it . Have you ever wondered why all of the real techs have left ? You are one of the reasons ...Have at it PW...
be cool.
Senior User
Joined: Dec 2011
Posts: 175
Likes: 0
From: New Kensington PA
Fuel pump
I replaced mine last March when it was still quite cold. I bought a cheap set of wrenches from HF and made a bend in the 1 1/4" with the torch. Another thing I did was to use thin thread to hold the metal gasket on the banjo bolt. The job is not difficult but can be a PIA.