Author Topic: So I go out today to install the Denso pump that I bought in the summer  (Read 19518 times)

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Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #75 on: October 17 2012, 04:55:16 PM »
It is certainly possible...but I will prove it before I order another one :)
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Offline phil_long

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #76 on: October 17 2012, 06:58:21 PM »
I understand.  Are those pumps expensive

Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #77 on: October 17 2012, 07:43:19 PM »
I think it was about $150
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Offline phil_long

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #78 on: October 17 2012, 07:57:21 PM »
Ah.

Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #79 on: October 18 2012, 11:36:46 AM »
so the pump is fine...the problem is that the wire from the pump to the new, hd, bulkhead connector on the in tank harness did not stay crimped in the terminal and is not making contact properly

The statement that crimping is far superior to soldering is only true when the crimp is good, I guess

I am happy because I assumed I did something stupid....Oh, well, the day is long and I probably will before it is over :D
Steve Wood

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Offline earlbrown

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #80 on: October 18 2012, 01:14:23 PM »
Is that the racetronix bulkhead they were bragging about a year or so ago?
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline daveismissing

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #81 on: October 18 2012, 01:53:26 PM »
Should have used your pull tester   :chin:




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Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #82 on: October 18 2012, 02:04:22 PM »
there was no pull...other than to move the end to the pump terminal..so I did not need a pull tester...only a move the wire tester to show it failed...

I checked continuity before I connected the pump...guess I should have checked afterward

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Offline phil_long

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #83 on: October 18 2012, 03:13:57 PM »
Good stuff. So sideways at any speed is right around the corner now eh!!?

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #84 on: October 18 2012, 03:49:04 PM »
I remove the terminal from the connector.  It appears that the crimper missed one side as the wire was only marked on one side...and the terminal teeth were not only not bent on the other side, but were broken off except for a thread of metal.  Further it looks like the terminal is a size too small for the wire ga, but that is my opinion and not a fact.  the two legs that should wrap around the insulation are too short to do so adequately as well.

In the end, I soldered it on which makes me feel iffy because there is no real mechanical support to hold the wire in place other than solder.  The wire is pretty coarse so there will be vibration due to its stiffness.  I guess a good idea is only as good as you build it and I was just unlucky

The intelligent thing to do would be to try to get the harness replaced, but we all know how that would go and I don't want to spend another $40 to replace something that was not made right in the first place so I guess I will try prayer.

Phil, I still have to stuff the damn tank back in....

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Offline phil_long

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #85 on: October 18 2012, 06:48:42 PM »
Thats gonna be a bitch putting it back in. That was the toughest part for me and Charles. Im sure you've done it numerous times tho, so you already know

Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #86 on: October 18 2012, 06:50:38 PM »
I have not done it since Wednesday!  LOL
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Offline daveismissing

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #87 on: October 18 2012, 07:01:26 PM »
Teflon heatshrink/sleeve could work, not so easy to come by tho.
and takes a high temp to shrink.

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Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #88 on: October 18 2012, 07:05:02 PM »
I thought about something like that.  After talking to one of my smart friends, I went ahead and put it back in the tank.

When I disconnected the end from the pump, the other end just fell out of the connector.  Looked like the only thing that was trying to hold it in place was the two legs around the insulation and they were not long enuf to overlap.  When I connected the other end to the pump, they let go and the wire came out of the crimp because it was only crimped on one side....
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Offline Steve Wood

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Re: So I go out today to install the Denso pump that I bought in the summer
« Reply #89 on: October 19 2012, 12:01:50 PM »
Now it runs....and pumps...

Phil, here is how I do it by myself...

to take it out, I jack it up by the diff until the tires are just leaving the ground.  Then I put a jack stand under the frame just in front of the rear tires on both sides.  this gives me enuf room to crawl under the car, disconnect everything and lower the tank down on my chest.  then I can slide out from under the tank and pull it out.  One thing I do is to push the tank straps back out of the way before I slide out.  the rear of the car has to be just high enuf to allow them to swing back without bending them up a lot.  The worst part of this is getting the old fuel lines off and I always try to replace them so I just cut them to get them off...don't put your face under the lines while doing this because this new gas really tastes bad and it burns a lot.

It should go without saying that the tank should be down to a couple of gallons to lessen the weight.  Gas weighs 6.5 lbs per gallon so it does not take too much in the tank to make it heavy.

To put it back in, I slide it under the car and pull it up on my Harbor Freight aluminum racing jack which does not weigh very much.  Because the tank wants to slosh from end to end if there is any gas in it as was this case, I lay down on the floor on the passenger side of the jack and use my leg to pump the jack handle while I balance the tank and steer it into place.  You have to watch the filler tube to make sure it is not binding and guide it into place as you jack, plus, at least on my car, the driver's side tail pipe is in the way so that the tank has to be slid further to the passenger side while tilting the drive's side up so the lip of the tank clears the pipe...then slide the tank back towards the drivers side while jacking with my leg.  The lightweight jack makes it easy to move the tank into position where needed.

This would be easier with two people but it's not that bad by yourself if you just have a little patience. 

It took me one hour to put it back into place and connect everything back up.

Steve Wood

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A lot of broken parts does not make you a racer; it makes you a slow learner.

 

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