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Pickups Chevrolet S-10 & GMC S15 Sonoma Chevy S10 - GMC S15 and Sonoma Stalling/Dying issues
168 messages, Last post on Nov 02, 2009 at 11:36 AM
You are in the Chevrolet S-10 & GMC S15 Sonoma Forum. Your Host is kcram
My Chevy 1997 S10, 38,000 miles just died. My mechanic said that he charged the battery and put in a new alternator and got it to run just to move it into his garage then it dies again. It is so dead, that none of the lights work, nothing. He thinks it might be an electrical short, but cannot trace it without an electrical diagram/schematic of the starting system. Where can I get a free download of this diagram/schematic? He is stumped and I have no truck? 
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Replying to: bronxcats (Jun 02, 2006 4:58 am) |
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Replying to: s100614 (Mar 15, 2006 4:44 am) |
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Replying to: s100614 (Mar 15, 2006 4:44 am) Yesterday, I tore it down and my suspicion was correct. The broken chain sat at the bottom of the timing cover. I replaced the set as well as the tensioner. I started it up and it ran except it ran terribly. It's like the engine timing is severely retarded. I am suspecting that I am out of time by 180 degrees. My chiltons book did not tell me how to go about replacing a "broken" chain. It only has instructions on how to "replace" a chain which would mean the timing marks would be correct once you got the timing cover off and looked at it. I can't find any information on how to re-establish timing for this engine. It is distributor-less so I am stumped. If you are attempting to replace the timing gear/chain set, let me know and I'll send you some tips on what I've learned during the tear down of the front side of this motor. vi-kan |
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Replying to: vikan (Jul 09, 2006 8:13 am) Good luck.
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Replying to: vikan (Jul 09, 2006 8:13 am)  Hello:Would you please help me with this,i am re-building a 2.2 lt from my 1995 chevrolet s10,and i donīt know where to find the timing marks?. I bought the truck with a dissembled engine,also i am a mechanic. I live in chile,please send me some of your tips? Thank you. Rodrigo.
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Replying to: hoodlatch (Jul 14, 2006 5:45 am) I just got the head back from the machine shop with a full valve job. They replaced 4 bent valves on cylinders 3 and 4. I have never done a timing chain or belt on a distributorless engine. It's weird not being able to see which cylinder my distributor is supposedly firing on. Any tips on this? thanks, vi-kan
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Replying to: chacon64 (Jul 16, 2006 12:42 pm) vi-kan |
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Replying to: vikan (Jul 16, 2006 4:29 pm) Distributor out, crank sensor in, time marches on. Progress takes time to adjust. Remember when we use to get the tack/dwell meter out and fidget with duel points? Sounds like your 2.2 is one of those projects that turns into never ending, where one thing leads to another, fun, fun, fun. That's usually my story. Were the tops of the pistons and push rods ok? Did the machine shop change out the valve stem seals with new ones while they were in there? I had to replace mine last summer (seals) because it was puffing smoke on start up. I did mine with heads on but its alot simpler if you already have the heads off. Good luck.
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Replying to: hoodlatch (Jul 20, 2006 6:10 am) I took the head in and got a valve job as well as replaced 4 valves (on cylinder positions 3 & 4). No bent pushrods and the pistons were barely touched although you could see where the contact was made. The bent valves on the intake side were visible with the naked eye while still mounted in the head but the exhaust valves that were bent was so slight, you could only see it when the valves were out and on the bench. Cost: $278 at the local NAPA machine shop which I've used before. I'm still hesistant on the whether or not I should have the number 1 piston at TDC when my timing marks on the crank and camgear are aligned properly. If no timing adjustment is possible, doesn't it make sense to just line up the gears and let her run? I'm thinking that the crank sensor is what compensates for the advance/retard on the timing. I do remember messing with tach and dwell meters with the old point ignitions. I also remember sync'ing carbs every weekend as well....don't miss it! My sonoma HAS been an ongoing project. I've got but a few pages left in the manual that hasn't been touched. The brightest side to this vehicle is 1) handy little truck 2)excellent gas mileage....and 3.... well ...two out of three isn't bad huh? hahaha... I'm looking at a 2001 Nissan Frontier as a primary driver now and will keep the SON-O-MA Bleep as a spare. Sad...yes I know. thanks for the input! vi-kan
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