View Full Version : Chevy TBI bushing repair
redsox
08-15-2016, 10:31 AM
Anyone ever put a set of bushings in a chevy TBI? I've got an 87 GMC 2500 High Sierra and the throttle shaft is loose in the TBI Housing. Its a pretty common problem. The aluminum wears out and causes binding issues with the butterflies. Anyway, theres a kit that comes with a tool to do the job. Its $170. www.throttleshaftrepair.com Or, i could send it out and have it professionally done for about $210, including a full rebuild. I like the idea of doing it myself, but I don't really see myself ever using this tool again. The other option is grabbing a used housing from a junkyard, as they used this on about 200 zillion vehicles. I'd be looking at about $75, but i'd be taking the chance of getting another worn out TBI. Thoughts? Anyone ever done it?
RIDE-RED 250r
08-15-2016, 04:49 PM
I've never done one myself Dan, and I have no qualms about buying specialized tools when I can swing it and if i feel I will use them more than once.
But given your situation and the options you listed, I might go the route of having it done by a professional. I'm a DIY guy, but I have hired out a handful of jobs in my lifetime when it wasn't really that beneficial to try and do it myself. Especially if there was no way around buying specialized tools that I would only use for that one job
redsox
08-16-2016, 07:32 PM
The other thing about doing it myself is the fun/challenge of doing it. And I'll still have $175 worth of tool in my hand. If I wanted, I could eBay it down the road and recoup some of the expense. I'm sure there are others out there that would need it. Old trucks are heating up the market. I'm leaning towards giving it a shot.
RIDE-RED 250r
08-16-2016, 08:12 PM
Absolutely a good point about selling the tool after the job is done Dan. The hoarder in me did not allow my brain to hatch that idea.... And I totally get the satisfaction angle too, especially since you KNOW that you care about the job getting done right. Can't always say that about some professionals.
jb2wheels
08-17-2016, 12:18 AM
Absolutely a good point about selling the tool after the job is done Dan. The hoarder in me did not allow my brain to hatch that idea.... And I totally get the satisfaction angle too, especially since you KNOW that you care about the job getting done right. Can't always say that about some professionals.
Like the $100 Timesert tool M12x1.75 for 2 bolt holes in my Civic's transmission.
A fabulous tool I may never use again. I should sell it but hate to get rid of tools...
cr480r
08-17-2016, 05:09 PM
I have had 3 tbi trucks. All with high miles.. All of them had reasonably tight throttle shafts... IMO it can't be too hard to find a good one at a junkyard for next to nothing. Just depends on what the vehicle means to ya. I would not even hesitate to drop $170 on a tool I would enjoy owning for a task I was passionate about.. but it might sting a lil if you are just trying to fix an old work truck..
fabiodriven
08-17-2016, 09:30 PM
I like having all kinds of tools, I'd just buy it. That's just me though. I had dozens of tools that I didn't know what they were for and I rounded them all up to get rid of. My 75 year old hot-rod neighbor came by and went through them, wouldn't you know he knew what almost every one of them were? I ended up keeping almost all of them once he told me what each was for. So if you ever need a distributor wrench for a 56 Edsel let me know!
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