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01-19-07, 09:22 AM
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#1 (permalink)
| | Forum Regular
Join Date: Jan 2007 Location: san jose,ca
Posts: 31
| New Fuel Pump Gone Bad
Hey everyone,
I'm new to this forum so i thought i'd jump right in. I just experienced being stranded yesterday and for the first time needed to be towed. I stopped to get something to drink, got back in the cruiser and no deal!
I got home and tested for fuel pump operation ( per fsm) and it doesn't seem to working. I just replaced the fuel pump last year with a Denso unit. I noticed gas leaking steady from a seam in the gas tank and have found out that the fuel tank recall has not been done to my vehicle. I plan to have this done.
My question: Could the gas tank problem be the culprit for the new fuel pump burning out? I'd appreciate any input.
Thanks Guys,
Jason
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01-19-07, 09:32 AM
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#2 (permalink)
| | Site Addict
Join Date: Jun 2003 Location: Davis, CA
Posts: 1,025
| I would think that if the fuel return were clogged or not functioning, such that the tank could not vent, it would build enough pressure in the system and ruin the diaphragm in the fuel pump. This is just a theory, others will verify. Curious, did you use the correct spacer when you installed the pump? | |
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01-19-07, 09:59 AM
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#3 (permalink)
| | Forum Regular
Join Date: Jan 2007 Location: san jose,ca
Posts: 31
| Thanks for the input. The fuel pump install was done by a shop,
(made in Japan). I'm not sure about the spacer
Jason | |
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01-19-07, 06:10 PM
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#4 (permalink)
| | Forum Lifer
Join Date: Jul 2003
Posts: 2,773
| Quote:
Originally Posted by jas89  Thanks for the input. The fuel pump install was done by a shop,
(made in Japan). I'm not sure about the spacer
Jason | Without the spacer, the pump will get trashed.
__________________
Doug G
Seattle, WA
TLCA#12671
1994 fzj80, 275,000 miles, 285X75/15, Billy's, dual batteries
1987 fj60, 310,00 miles, 3" lift, 33X10.50's BFG MT, dual battery, rear drawers, CB, tuffy, , lockright, 4.10's and H41 soon
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02-17-07, 03:32 PM
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#5 (permalink)
| | Site Addict
Join Date: Apr 2004 Location: Beneath her feet
Posts: 1,120
| Quote:
Originally Posted by lovetoski Without the spacer, the pump will get trashed. | Ok, so what is the spacer for? I am having fuel pump problems also... Mine died, I got a used one, and tossed it on. It made it one day and it died. Pulled it off, just now and the arm was trashed.
I didnt use a spacer, because there wasnt one on the original unit I took off... and the two pumps were exactly alike.
I bought a new one from Crusier Dan and the spacer, but I am now confused at what the spacer is for if my original pump didnt have one and all three look exactly alike with the same length of arm.
I looked at my 2F repair manual and it shows the spacer but doesnt talk about it....
__________________
1984 FJ60 & 1987 Tercel 4WD
Sec of Inking and Inserts
"We drew our heavy revolvers- all at once there were revolvers in the dream- and joyously put the Gods to death." --Jorge Luis Borges from Ragnarök.
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02-17-07, 04:09 PM
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#6 (permalink)
| | 250+ Club
Join Date: Mar 2004
Posts: 681
| The spacer gives you the specified clearance between the fuel pump rocker arm and the cam lobe. | |
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02-17-07, 04:11 PM
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#7 (permalink)
| | Site Addict
Join Date: Apr 2004 Location: Beneath her feet
Posts: 1,120
| Quote:
Originally Posted by jwest The spacer gives you the specified clearance between the fuel pump rocker arm and the cam lobe. | Why didnt my original have one???
__________________
1984 FJ60 & 1987 Tercel 4WD
Sec of Inking and Inserts
"We drew our heavy revolvers- all at once there were revolvers in the dream- and joyously put the Gods to death." --Jorge Luis Borges from Ragnarök.
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02-17-07, 04:25 PM
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#8 (permalink)
| | 250+ Club
Join Date: Mar 2004
Posts: 681
| It was probably left off somewhere up the line until you caught it. | |
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02-18-07, 07:01 AM
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#9 (permalink)
| | Supporting Vendor
Join Date: Sep 2005 Location: Scottsville, NY
Posts: 1,467
| Quote:
Originally Posted by stinkyfj60 Why didnt my original have one??? | They tend to stick to the pump case, if you do not look carefully they are easy to miss. | |
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02-18-07, 08:35 AM
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#10 (permalink)
| | Resident Herpetologist
Join Date: Dec 2004 Location: Alabama
Posts: 1,314
| On a side note, overtightening the fuel pump bolts can crack the spacer which may result in a mysterious high-speed (>60mph), fine-mist oil leak.
__________________
Jim Godwin
1977 FJ40 with some stuff
1985 FJ60 with 3FE
1986 FJ60 now with stuff
1997 FZJ80 stockish
Tallassee, AL
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