Replace Fuel Spider, 2001 Safari

Replace Fuel Spider, 2001 Safari

Postby Tumbleweed28212 [OP] » May 10th 2019, 3:05pm

I dont see this topic specifically, apologies if I missed it. I've looked at a few you tube videos on the process of replacing the spider, but wonder if you've seen a good video, or a good text description (preferrably with drawings) I have a new spider (bought thru Wally Whorl , Ac Delco, made in Canada) for around $250. My mileage has dropped from 17 / 18 mpg around town to 13 or so, so I figure thats the problem (around only 74,000 miles, just driven mainly by wife, some towing for short trips) I'm most concerned about any wierd / hard to disconnect fittings, getting the injectors in the right spot on the manifold, and the fiddly part of getting the plenum removed from under the air cond lines. (also do you know the torque settings for re-tightening bolts and sequence?) Thoughts appreciated. (I'm also going to replace the plugs, rotor, cap etc at around the same time, but will do one operation first, start the van to make sure it's running right, then do the other, so I don't get the situation confused. Any comments on that operation appreciated too. Hoping to get the van in good order for the long delayed cross country trip with Casita travel trailer..
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Re: Replace Fuel Spider, 2001 Safari

Postby AstroWill » May 10th 2019, 4:00pm

I would test it first, even though it's a good upgrade either way.

Lots of threads about it.
Grab the GM Techline eSI(links in sig), it has all the details and more in it.

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Re: Replace Fuel Spider, 2001 Safari

Postby Leeann_93 » May 10th 2019, 10:19pm

Pics and text starting in the 7th post on this page:
https://www.astrosafari.com/viewtopic.p ... &start=260
'05 Astro AWD vin X
'02 Astro LS AWD vin X
'00 Astro LS AWD - WIP
'99 Safari XLE AWD - broke
'93 AWD EXT vin W - real broke
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Re: Replace Fuel Spider, 2001 Safari

Postby Ericglo » May 11th 2019, 12:21am

There are a bunch of threads on the spider.

Watch Scotty's mobile detailing videos on youtube about spider replacement.

I don't have the thread, but a member here wrote up a good tutorial.

Also look at my recent thread for info on the Permatex sealant to use.
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Re: Replace Fuel Spider, 2001 Safari

Postby MechBob » May 11th 2019, 1:31am

17-18 around town? New poster? Sorry, I call crap.
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Re: Replace Fuel Spider, 2001 Safari

Postby Mmusicman » May 11th 2019, 2:36am

Tumbleweed28212 wrote:My mileage has dropped from 17 / 18 mpg around town to 13 or so, so I figure thats the problem..

You make a pretty BIG assumption!
Lots of things can affect gas mileage.
My 2000 spider went over 200K.

Here's my spider replacement story:
https://www.astrosafari.com/viewtopic.php?f=43&t=132762
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Re: Replace Fuel Spider, 2001 Safari

Postby Ericglo » May 11th 2019, 2:37am

My mileage was bad before I replaced the spider. I think I was around 14 to 15 around town. Maybe 17 on a highway trip. I hit 17 and a half on the trip back from Atlanta with new spider.

Strangely, I hit 20 mpg on my trip up to Atlanta. Never saw that before.
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Re: Replace Fuel Spider, 2001 Safari

Postby Ericglo » May 11th 2019, 3:07pm

I forgot to add that instead of removing the alternator you should remove the alternator bracket with the alternator still attached. It gives you more room to work and doesn't really take much longer to remove than the alternator itself. You have to remove the tensioner though. There are two bolts and a nut on the front. A 10mm bolt holds a wire on the left side of the bracket. The connector and positive wire to the alternator and your done.


Oh and one more link.
http://www.handymanlyness.com/archives/ ... Jimmy.html
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Re: Replace Fuel Spider, 2001 Safari

Postby Leeann_93 » May 11th 2019, 3:34pm

I didn't remove either the alternator or the bracket, either on my '02 or on my '05. Completely unnecessary extra work.
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Re: Replace Fuel Spider, 2001 Safari

Postby Ericglo » May 11th 2019, 4:12pm

I guess you are correct for just the spider.
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