1986 Chevy 7.4L 454 Fuel Pump - Engine Troubleshooting


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1986 Chevy 7.4L 454 Fuel Pump

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TheRue
New User

Jul 29, 2008, 10:54 AM

Post #1 of 4 (4882 views)

1986 Chevy 7.4L 454 Fuel Pump	Sign In

I have a 1986 Chevy 7.4L 454 V8 in my RV. It has 33,000 miles on it. Saturday I bought a new fuel pump for it. I removed the old one and when I went to install the new one, I couldn't get it in because the internal rod wasn't retracted. I tried to "crank" over the motor to get it to retract, I've tried removing some of the plugs to relieve engine pressure so that I could manually get it to retract.... Nothing. Any suggestions? Anyone?

dave284
Enthusiast

Jul 29, 2008, 10:57 AM

Post #2 of 4 (4879 views)

Re: 1986 Chevy 7.4L 454 Fuel Pump	Sign In

Have you tried a magnet?

TheRue
New User

Jul 29, 2008, 1:43 PM

Post #3 of 4 (4870 views)

Re: 1986 Chevy 7.4L 454 Fuel Pump	Sign In

Thanks for the response.

I have not tried a magnet. I assume we're talking about a strong, industrial magnet that would "grab" the rod through the engine casing? Would you have ideas on how to use a magnet for this application? I'm willing to try anything.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 29, 2008, 1:43 PM

Post #4 of 4 (4869 views)

Re: 1986 Chevy 7.4L 454 Fuel Pump	Sign In

Oh yes! I hate those and never could get grease or a wire to hold the pushrod up dependably as I guess I'm too slow with the pump.

Trick if you can....
Jack up the passenger's (fuel pump side) so it looks ridiculous but be safe! Whole side tilted higher gives you more time to get the new pump in.

Trust me it works but dear God be safe about it - jackstands on blocks - whatever it takes so it can't fall,

T

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