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1994 S-10 Base 2.2L - Project Thread (Currently: Random CEL Issue?)

7.4K views 56 replies 9 participants last post by  Rhotpursuit  
#1 · (Edited)
Hello all!
I am going to run into a few things while working on this truck, and I figure I may as well just start one thread about it, rather than fill the boards up with multiple questions.

I recently purchased a 1994 Chevy S10 Base Model w/ a 2.2L and 5 speed Manual. It's got 180k miles and has been through a lot of hands, so needless to say, it definitely needs some love.

Here are a few pictures of the truck (nothing special so far):



Future jobs:
  • Replace inner door panels
  • Fix seat tear/or/replace bench
  • Fix locks on bed cover
  • Fuel injector replacement (possibly)
  • Fuel filter swap
  • Fuel pump and sending unit replacement
  • Fix interior (bench, floor, head liner)
  • Fix windshield wiper issue (steering column switch does nothing)
  • Rear brake shoes and wheel cylinder
  • More rust removal; Paint for rust/elemental resistance

Work done so far:
  • Fixed some gnarly dash wiring
  • Replaced clutch, throw-out bearing and pilot bearing
  • Replaced flywheel and pressure plate
  • Replaced rear main seal and donut flange gasket for exhaust
  • Fixed dash wiring, installed 6 speaker setup
  • Replaced spark plugs and wires
  • Replaced ignition coil packs
  • Replaced front rotors, hardware, bearings, and seals
  • Replaced front brake pads and hardware
  • Replaced O2 sensor
  • Replaced intake temp sensor
  • Replaced MAP sensor
  • Replaced timing chain, sprockets, tensioner, and oil cap
  • Replaced the timing cover gasket and seal
  • Replaced the water pump
  • Replaced the thermostat
  • Replaced radiator and radiator cap
  • Replaced upper and lower radiator hoses
  • Replaced heater core inlet/outlet hoses/pipes
  • Replaced fan bracket and hardware
  • Replaced temperature sensor/sender unit
  • Rebuilt head, replaced pushrods and lifters
  • Replaced EGR
  • Rebuilt steering column
  • Replaced entire exhaust (past manifold)
  • In the process: Cleaned up all the parts removed and re-assembled to the engine
  • Long term: Sanded down rust on the wheel wells and frame, re-coated with primer for rust and other elemental resistance

Previous issue: Tackling two birds with one stone here-
Was able to confirm that the clutch is indeed bad, and also noticed that the temperature gauge in the cluster doesn't really work at all.

Ordered up a new clutch and flywheel, and ordered up a new temperature sensor/sending unit. I'm hoping this can fix it, but there may be more to it. Going to do the ground trick to see if the gauge is bad, but the sensor is cheap enough that it's worth replacing anyways.

NON-ISSUE:

The (I4, 2.2L) engine has a cracked block.

Does anyone have any suggestion as to what to do for the engine?

  • Is it worth attempting to get the current engine fixed at a machine shop? (Obviously this depends on how severe the crack is, but I've never had to go about this before..)
  • Should I pull an engine from a junk yard and cross my fingers? (And should I throw it straight in, or have it rebuilt?)
  • Should I look for a certified used engine? (Save myself the hassle of pulling and rebuilding an engine?)
  • Should I perhaps look for a certified remanufactured engine? (Also, saving some hassle, albeit at possibly higher expense)

I've considered putting a Vortec V6 in there, but that's sort of a last-ditch-idea sort of thing, because I'm sure I'll need to swap a transmission with it too? (Please correct me if I'm wrong!)

RESOLVED ISSUE:

Currently I'm working on the steering wheel/horn pad, and I was able to get the horn working again, but unfortunately the clips on the horn pad are long gone, and the horn just gets stuck blaring. Local junk yards have done me no good, so I'm trying to see if anyone on here perhaps can help point me to where I can get a working horn pad for this particular steering wheel? (It's an oddity.)

This has a different steering wheel than my old 95 did:



The pad comes right off, because the clips are broken/missing.


I was able to get the wire put back into place properly, and I have a terminal for connecting it to the pad itself, but it would be pointless to hook it up unless my pad can "rebound" (not stay stuck in/on blast.)


Anyone have any idea what to do in this regard? I'd like to keep the existing steering wheel if possible, but I've also considered going to the junk yard and pulling the more common style (like the one found in my old 95) to save the headaches.


Any ideas or leads would be greatly appreciated! I can also purchase the pad if anyone were to have it available? (Fingers crossed.)
Thank you.
 
#6 ·
Just figured it would be easier for people to pick what they wanted to see full-size versus having to load a bunch of full size images, but I can do the full-size from now on. I haven't frequented forums much since the old Dial-Up days so I forget that things load much quicker these days!

Thanks for the heads up
 
#8 ·
For the engine, you should be able to use anything from 94-97. The 96-97 engines will have a cam sensor you won't use, but other than that, you should be good. Also, Cavalier/Sunbird/Sunfire/Corsica/Beretta/Ciera/Century from those years will work as well. At least for the block, I think the head is a little different.

I see '94s in the junkyard from time to time, that wheel is one year only but not impossible to find. They sold a lot of '94s.
 
#9 ·
For the engine, you should be able to use anything from 94-97. The 96-97 engines will have a cam sensor you won't use, but other than that, you should be good.

I see '94s in the junkyard from time to time, that wheel is one year only but not impossible to find. They sold a lot of '94s.
Yeah I noticed it seemed sort of like a one-off sort of deal, and I definitely remember the one in my 1995 being quite a bit different.
I have had a lot of trouble finding the S-10s from the 94-97 range in local junk yards in my area, but I see a ton of the 98+ models. I'm always keeping an eye out, but have been unlucky so far.
 
#11 ·
Thankfully the interior isn't too terrible.. the dash has a few spots where it's starting to crack, but I'm going to condition it and then cover it with a dash mat. The seat has a huge tear where I get in, and the door panels are pretty much garbage. Worst case scenario I can always go visit the LMC Truck manuals and see what I can get from them.

Thanks for the information, and I'll keep that in mind! I appreciate it.
 
#13 ·
That's awesome. I like this color because it doesn't show the dust as easily as a white or black paint job does.
My 1995 was all-white with a chrome grille and alloy wheels.. I definitely miss it and wish I had never sold it. I ultimately missed it so much, that I bought this one all these years later, haha.
Always had a soft spot in my heart for the 2nd gen S10s.

Yeah, the lack of AC is a bit brutal, but I can deal. I believe this truck originated from Washington and made its way down here, so that would explain it a bit better.
 
#15 ·
Nice, I have a white one too. Though thanks to someone running a red light, the bed is now pewter.

Oh, and they are both Oldsmobiles, lol.

Image
That's quite the interesting look, but I dig it! I don't think I'm gonna customize mine too much on the outside, although I may do some interior work here and there, and maybe some upgrades under the hood ultimately.
 
#17 ·
I can respect that, it definitely makes it unique and gives you that pride of ownership. Sorry to hear about that red light incident.. I lost my old 4WD Isuzu Rodeo that way.

Over time I've learned people in Southern Arizona seem to have a hard time respecting other people's property, let alone treating it right. I have a 2017 Mazda that's been tampered with a few times, (looks like someone even took something abrasive to my paint job once), has also had doors slammed into it quite a few times, random scratches, etc.
People also love to loot or steal cars here, so I figure if I just leave the outside looking normal/stock, it may be less appealing to those folks, and less heart ache on my end. I'm more about the inside being comfortable and the ride being smooth, so I generally don't do much to the exterior of my vehicles.
 
#24 · (Edited)
Alright, so my next focus on this truck after resolving the steering wheel will be the actual engine-
The (I4, 2.2L) engine has a cracked block.

Does anyone have any suggestion as to what to do for the engine?

  • Is it worth attempting to get the current engine fixed at a machine shop? (Obviously this depends on how severe the crack is, but I've never had to go about this before..)
  • Should I pull an engine from a junk yard and cross my fingers? (And should I throw it straight in, or have it rebuilt?)
  • Should I look for a certified used engine? (Save myself the hassle of pulling and rebuilding an engine?)
  • Should I perhaps look for a certified remanufactured engine? (Also, saving some hassle, albeit at possibly higher expense)

I've considered putting a Vortec V6 in there, but that's sort of a last-ditch-idea sort of thing, because I'm sure I'll need to swap a transmission with it too? (Please correct me if I'm wrong!)

I've worked on my cars for a long time, but this S10 is putting me in new territory that I'm not so familiar with.
If anyone has any stories or suggestions, please let me know, I'd love to get a better idea of how to proceed.
Thanks!
 
#25 ·
Alright, disregard the cracked block - Turns out I got a bunch of false positives created by other issues presented by the truck.

Moving on, I am able to confirm that the clutch is indeed bad, and also noticed that the temperature gauge in the cluster doesn't really work at all, as well.
Ordered up a new clutch and flywheel, and ordered up a new temperature sensor/sending unit. I'm hoping this can fix it, but there may be more to it. Going to do the ground trick to see if the gauge is bad, but the sensor is cheap enough that it's worth replacing anyways.
Any other known issues that may cause failed temp readings if the gauge in the cluster is indeed good?
 
#26 ·
Update-
Got the Borg Warner T5 pulled off, pulled the flywheel as well. Noticed that there was a leak at the rear main seal, so got a new seal in, threw on a new flywheel, clutch, pressure plate, with all new bearings. (Next swap is a slave cylinder.)
Image
Image


Also noticed that my muffler was blown out, so I cut it off the pipe, now I have a motorcycle.
Image


Fixing all the wiring in the dash that was cut by the previous owner, wiring up a 6 speaker set with space for an amp/sub down the road (perhaps.)

Up next:
  • Sanding down the frame to remove rust, adding a primer/undercoating after
  • Replacing the catalytic converter and exhaust (backflow is not right)
  • Pulling dash to check the vacuum lines/actuator (air vents are not working properly)

I have an oil a leak up top from the engine as well, I think it may be from the valve/rocker cover. Will need to investigate further later on.
 
#28 ·
It wasn't as difficult as I thought it would be (though I also made sure I had all the proper tools, because it would be harder without.)
It was the disassembly and re-assembly that was a pain in the rear. Doing the actual swaps wasn't too difficult. Hope you can get your situation figured out!
 
#29 ·
Would anyone on here happen to have a picture of the connection where the heater core inlet pipe connects to the thermostat housing? Mine was a bit jerry-rigged, and I want to ensure that I know what it was like before to properly fix it.
Thank you!
 
#33 ·
Also, haven't posted the Latest updates:

Recently finished projects-
Fixed dash wiring, installed 6 speaker setup
Replaced spark plugs and wires
Replaced front rotors, hardware, bearings, and seals
Replaced front brake pads and hardware
Replacement catalytic converter, intermediate pipe, muffler, and tailpipe
Replaced Oxygen sensor
Replaced Intake Temp Sensor
Replaced MAP sensor

Current projects-
Replacing timing chain and tensioner
Replacing water pump
Replacing radiator hoses
Replacing radiator
Replacing rusted Heater Core Inlet Hose

Future projects-
Replace Fuel Pump and Sender Unit
Replace Fuel Injectors
 
#35 ·
Also curious, is it possible to lift the cab off the frame but keeping the drivetrain intact?
I wanna get rid of some rust on the frame and put a new coat on it.. just not sure what I can do to make it more accessible up front. The back is easy after the bed is removed.
 
#37 ·
^ Thanks for the info! Nice engine ;)

I finally got some work done..-
  • Timing chain, sprockets, tensioner, and oil cap
  • Timing cover gasket and seal
  • Water pump, thermostat, upper and lower hoses, heater core inlet pipe/hose
  • Fan bracket and hardware
  • Cleaned up all the parts removed and re-assembled to the engine
  • Sanded down rust on the wheel wells and frame, re-primer'd for elemental protection

Future endeavors:
  • New radiator and heater core outlet pipe/hose
  • Fuel pressure regulator
  • Fuel injectors
  • Fuel filter
  • Fuel pump and sending unit
  • Sand down rest of frame and any other rusted metal areas, re-coat with primer

Does anyone know if they have two-core radiators for this vehicle, or if they were all sold with the single core? It gets rather hot here where I live, and I get the feeling that a two-core would be more ideal to keep the engine cool. Anyone have any info or advice?
 
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