CJ gas tank install - JeepForum.com
 
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post #1 of 14 Old 10-25-2009, 03:00 PM Thread Starter
Racer268
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CJ gas tank install

Hi,

I need some assistance. The PO just let the gas tank rest on the bottom of the skid plate. He even put some corogated cardboard down to cushion it. Now It's rusted through and needs to be replaced. I don't find any means of installing straps. Shouldn't it be suspended? Can anyone explain or show me photo's?

Thanks.

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post #2 of 14 Old 10-25-2009, 03:03 PM
Mike Romain
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The tank has one strap to hold it into the skid plate. The skid plate then bolts up on. Places like quadratec sell the straps or even our local parts stores have them. There is a plastic liner in mine between the tank and skid plate.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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post #3 of 14 Old 10-25-2009, 04:07 PM
keith460
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Here's some photos and I'm guessing your 1980 CJ-5 gas tank mounting will be the same as the 1984 CJ-7 pictured.












.
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post #4 of 14 Old 10-25-2009, 06:15 PM Thread Starter
Racer268
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Perfect. Thanks. I knew there had to be a strap. Just couldn't figure out where it would go. So the tank straps to the skid plate with some rubber cushion between, then the whole thing bolts to the chassis.
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post #5 of 14 Old 10-25-2009, 06:27 PM
keith460
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It's actually not rubber but 1/8" thick plastic sheet and it prevents chaffing and noise between the tank and skid plate.

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post #6 of 14 Old 03-09-2012, 06:19 AM
TexasBlues
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Keith-

the pix you have on here are super...

is there an off site place like photobucket youre using?

im using YOUR pix to help me re-run my brake/fuel lines and if i can see them there, it would be easier than looking thru the WHOLE thread...

thanks!

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post #7 of 14 Old 03-09-2012, 06:41 AM
keith460
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Yes, I use photobucket. You can go there and search for Keith460 and probably come up with all the albums with hundreds of photos.

The iPhone does not allow me to paste a URL shortcut.

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post #8 of 14 Old 03-09-2012, 07:19 AM
h2ogun
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Quote:
Originally Posted by Racer268 View Post
Hi,

I need some assistance. The PO just let the gas tank rest on the bottom of the skid plate. He even put some corogated cardboard down to cushion it. Now It's rusted through and needs to be replaced. I don't find any means of installing straps. Shouldn't it be suspended? Can anyone explain or show me photo's?

Thanks.
From your post, I m not sure what rusted through (tank or skid), but if it was the tank, then I would suggest replacing it with a poly tank. By doing that you do not need the plastic liner.

When I replaced mine, I got it from MTS (they also supply them to Quadtrac, etc). They were very helpful and also told me that their tanks were an average of 1/4 in thick eliminating the need for the liner.

Plus poly does not rust inside or out. Poly is the best way to go if the tank is what you are needing to change.

Below is a photo I took when I changed my tank from a 20 gal, back to 15. The 20 gal is still in the OEM skid assembly held in by the strap. The strap changes with the size of the tank. Your lines have to be installed before you bolt the assembly back up. Be careful not to pinch or kink the lines when you reinstall.

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post #9 of 14 Old 03-09-2012, 07:20 AM
TexasBlues
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excellent...

found it... following it...

thanks!

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post #10 of 14 Old 04-10-2013, 12:48 PM
Chuggins08
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not trying to hijack the thread..... but Kieth, could I ask you a question? The wire going from the sending unit to the fuel guage has what seems to be a female connector at the end going towards the front of the jeep. How does this wire get connected to the fuel guage?

1984 Jeep CJ7
258 4.2L Inline 6
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post #11 of 14 Old 04-12-2013, 05:26 AM
keith460
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Quote:
Originally Posted by Chuggins08 View Post
not trying to hijack the thread..... but Kieth, could I ask you a question? The wire going from the sending unit to the fuel guage has what seems to be a female connector at the end going towards the front of the jeep. How does this wire get connected to the fuel guage?
Sent you a PM on the same question asked in the message.

There should be a 'pink' colored wire that the sending unit plugs into and it is part of the wiring harness for the tail lights.
The pink wire goes to another plug under the dash by the parking brake pedal and continues onto the gauge in the speedometer which is also pink in color.

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post #12 of 14 Old 04-12-2013, 05:35 AM
Chuggins08
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Yeah my bad, I appreciate it man

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258 4.2L Inline 6
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post #13 of 14 Old 10-21-2015, 11:22 PM
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Quote:
Originally Posted by keith460 View Post
Sent you a PM on the same question asked in the message.

There should be a 'pink' colored wire that the sending unit plugs into and it is part of the wiring harness for the tail lights.
The pink wire goes to another plug under the dash by the parking brake pedal and continues onto the gauge in the speedometer which is also pink in color.
Keith, I am gathering everything I need to upgrade parts for my 20 gallon tank. I was wondering the same thing about that sending unit pink wire. I have not dropped the tank yet because I am waiting on replacement parts. I am however, trying to trace all the related wires and connections. On mine, I DO NOT see that lead wire thats in your image with the connector plug. I found the ground to frame but confused on the pink one.

Under the dash, I traced the pink wire from gauge to a connector plug that has like 8-9 wires on it where you stated, by the brake pedal. The pink is on one end of that plug. From that connector moving forward, it goes somewhere just above the fuse box. On the engine side I see it running directly to the solenoid and it has a 30 amp fuse on that line. Seems odd or maybe it is the wrong trace?

At this point (the connector plug under dash), does it run straight to sending unit or to another connector plug of some sort? Something is throwing me off. What I am missing or looking for?

Also, when I receive the new sending unit, can I connect it without putting it in the tank so as to test the gauge? I know I would have to ground it at this time too.

Also, what size are those three hoses at top and how LONG are they? I just want to get everything ready for the drop. Thanks
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post #14 of 14 Old 10-21-2015, 11:35 PM
BagusJeep
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You need to get the wiring diagram for your year. That pink wire you are looking at is probably going to the turn signal connector and is part of the lights system. There are more than one pink wire.

The pink wire goes from the gauge to the rear frame connector and then on the rear of the vehicle and on to the tab on the sending unit.

The sending unit also needs grounding and a sensible method on a 30 year old CJ is to run it from the sending unit all the way back to the gauge.

You should calibrate it oiff vehicle.

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