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Discussion Starter #1
I just got an '86 Samurai and it has some issues..

You can look under the car and see the actual clutch/flywheel itself. I believe its missing a little plate/sheet metal part that goes over it? There is no gap between the clutch and the engine, but the bottom couple inches of the clutch. I wouldn't thing that would be too good to get any rocks/dirt in. What is that called and where can I get one? I have duct tape over it now for a temp fix.
Picture attached>>

The other issue is how it idles. When I start it up it will idle up around 2500-3000 for awhile. Then after its plenty warm it will drop down from like 50-800. It will putter like its going to die and then come up a little but not go over 800 and sometimes it just dies. If I hit the gas at all it will rev up real easy and fast and it drives along perfectly in gear, just not at idle. Could it be vacuum or carb or choke or ??? Any help would be greatly apreciated. I'm new at this stuff but can learn quickly.
Thanks!
 

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the little part your missing is the inspection plate. It wouldn't be hard to make one out of sheet metal, and i'm sure you could find one at a junk yard. Not sure about the idle problem but i would try to clean out and adjust the carb
 

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i dont know about the idling speed when you first start the car, but my 94 sierra did fluctuate between 600-1000 whenever it was idling to start with. turns out one of the little tubes running from between the air filter to the actual engine was unplugged. it now idles more constant now its back on. never stalled though...
 

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Discussion Starter #4
Inspection plate, thank you. I looked at pick-n-pull and they didn't have one so might just fab one up. Thanks

Yes, I'm pretty sure thats exactly what my idle issue is. I found the hose running up from the exhuast manifold and it just had a screw plugging the end of it. Its supposed to go to the HIC valve in the air cleaner but the valve is completely missing! So I'm trying to find one of those now, not the easiest little part to find. Thanks!
 

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I thought that HIC valve was it for sure but I got one today from a dismantler, along with an air actuator and the heat riser hose and it STILL idles like poop. :mad:
Guess look at all the vacuums? What should happen when I undplug and plug the vacuum hoses?
 

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Discussion Starter #7
Haha yes, that thing is awesome and it helped for sure.
Butttt after finding yet another unplugged line and putting in all the missing parts (that I know of) it STILL acts the same! :mad: Gets warm and idles bad. Maybe not as much now? but still does it. Can't figure it out
 

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When you sort your hoses, use this to make sure they are right.

Vacuum Line Maintenance

I have used it many times and it has never let me down.
;)
Thanks, Bill for the link reference! :D

One thing you should try is to replace all the vacuum lines - or at least he ones that are old and brittle. They may not be sealing properly.

The other thing to try is a test of all vacuum-driven devices on the carb itself. Download the Samurai Factory Service manual at Ack's FAQ.

Ack's FAQ: Your 4X4 Portal To All Things Suzuki/Geo (SJ-410)
or
Ack's FAQ: Your 4X4 Portal To All Things Suzuki/Geo (SJ-413)

In the carburetor section there should be information on how to test each device.

I hope that this helps!
 

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Discussion Starter #10
Thanks both of you for the ideas! and thanks for the manuals!
I just ran into a differnt(ish) problem now. When I was trying to change the pcv valve, it wasn't threading right. I backed it in and out a bunch of times slowly, trying to get it to thread right. The last time I forced it a little too far and there goes the intake manifold. Broke a chunk off where the pcv valve screws in.

Fortunately I found one on ebay and won for $19.02 including shipping. So untill that gets to my house, poor sam is stationary..
 

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Discussion Starter #11
So I have the new intake manifold in and it seems all good except it is missing one place to plug a vacuum line into. It just doesn't have it, might be an older manifold or something without it. Its the line that comes from the middle of the canister to the manifold below the carb. Should I cap it or leave it open or?

Its the middle one on this picture:
 

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