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fuel pump chg m1028
- Thread starter Greenhorn
- Start date
trouble replacing a fuel pump on a m1028. Pushrod keeps falling down. Is there a bolt to take out to lock pin in place? Thx
- 2,118
- 67
- 48
- Location
- Maine USA
Use some grease on the rod and it will stay in place. Be sure and rotate the engine to have the rod in the upper most position or you risk breaking the rod after the pump is installed.
motormayhem
Member
- 609
- 6
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- Location
- Tucson, AZ
Use some thick grease to hold it up while you put the pump in.
kenny
Member
- 186
- 2
- 18
- Location
- San Antonio Texas
I do not know about the 6.2 because I have not changed mine yet.
But on a Chevy v8 gas engine you can remove the upper bolt from the right front engine mounting boss (on the front of the block) and insert a long bolt 3/8-16 x 2 in.)to hold the fuel pump push rod.
But on a Chevy v8 gas engine you can remove the upper bolt from the right front engine mounting boss (on the front of the block) and insert a long bolt 3/8-16 x 2 in.)to hold the fuel pump push rod.
kenny
Member
- 186
- 2
- 18
- Location
- San Antonio Texas
ok I found a picture of a 6.2 block and it looks like you can use the bolt also just like the gas engine.
Look at the link and you will see the hole for the bolt that will hold the rod in place.
Teardown 13 pictures from trucks photos on webshots
Look at the link and you will see the hole for the bolt that will hold the rod in place.
Teardown 13 pictures from trucks photos on webshots
fuel pump chg
I already tried the grease, maybe not thick enough. I was aware of the bolt to keep the rod up but have never had to use it. Looking at the teardown pic I'm not sure which one it is. Is it the 2nd hole up rt side on the timing cover? What a pain. Ive changed these pumps before on gas engs and have never had this amount of trouble. Also,is the grease going to be a problem with the oil returning to the case? Should I clean it out before installing pump?Thx
I already tried the grease, maybe not thick enough. I was aware of the bolt to keep the rod up but have never had to use it. Looking at the teardown pic I'm not sure which one it is. Is it the 2nd hole up rt side on the timing cover? What a pain. Ive changed these pumps before on gas engs and have never had this amount of trouble. Also,is the grease going to be a problem with the oil returning to the case? Should I clean it out before installing pump?Thx
Last edited:
- 653
- 68
- 28
- Location
- Bucks County, Pa.
I just did this a couple months ago, used heavy axle grease, the rod stayed put and it worked fine.
kenny
Member
- 186
- 2
- 18
- Location
- San Antonio Texas
yep it is the second one up with dark oil in the hole.
Also on the grease part it did not work for me once and I used blue gasket sealer on it after I sprayed carb clean on the rod to get to oil off of it so that it would stick to the rod
Also on the grease part it did not work for me once and I used blue gasket sealer on it after I sprayed carb clean on the rod to get to oil off of it so that it would stick to the rod
kenny
Member
- 186
- 2
- 18
- Location
- San Antonio Texas
yes 2nd on left. Make sure you make it snug not to tight or you can make a burr on the rod.
Rtv is fine as long as you only use enough to coat the rod..
I rebuild the same engine about 4 years after because it was wore out and did see a piece of rtv on the oil pump screan about the size of a 1/4 of a dine.
I dont know it it came from the fuel pump rod or one of the many gaskets I changed over the years.
Rtv is fine as long as you only use enough to coat the rod..
I rebuild the same engine about 4 years after because it was wore out and did see a piece of rtv on the oil pump screan about the size of a 1/4 of a dine.
I dont know it it came from the fuel pump rod or one of the many gaskets I changed over the years.
woodyNla
New member
- 69
- 0
- 0
- Location
- Tallulah, La
That bolt looks like it is above the casting for the rod. On the gas burners, it is directly in line with the casting.
It is done...
Thanks to all inputs. I coated the push rod with vasoline and left it stand overnight. The next morning, being colder, the rod still moved but at a slower rate. I had enough time to get the pump in on the first try! A good way to start the morning.
Thanks to all inputs. I coated the push rod with vasoline and left it stand overnight. The next morning, being colder, the rod still moved but at a slower rate. I had enough time to get the pump in on the first try! A good way to start the morning.