Simviation Forum - Need some advise!

Jun 10^th, 2006 at 12:11am

Gunny04 Offline
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a close relation of mine has a 1989 Chevy S-10 Blazer with a 4.3 Throttle body injected engine and when you start it, smokes like a mosquito machine..... I was wondering if anyone here knew if it would be bad O-rings in the TBI or Tappet valves or something else, the smoke is white, the old girl used to smoke when started then quit, upon checking the oil, 2 quarts of gasoline! I bought a new TBI unit on ebay and waiting for it to arrive so we can install it and see if she'll quit smoking, but I was wondering if it could be the TBI unit, also the dealership it was bought from locked the keys in it, and somehow jimmied their way through the tailgate and ever since, the tailgate hasnt opened, the cover to the mechanism is busted, and you can turn it by hand, but the tailgate doesnt open, Anyone have an idea how to manually get it open? We use the blazer to haul a boat only and not for day driving, but when the boats not on the trailer and you cant see it when pulling it out of the water........ its painful! So I was wondering if anyone here might have any ideas! Cheers, Gunny, and if you need more info about the problems just ask in reply!

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Reply #1 - Jun 10^th, 2006 at 3:03am

ozzy72 Offline
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If the smoke is white it is most likely the head-gasket that has gone 'cos that is the usual sign of coolant getting into the engine. Blackish smoke would be the rings.
As for the boot (tailgate) lock it sounds like the garage have bust it, and they are liable for repair/replacement.

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Reply #2 - Jun 10^th, 2006 at 3:55am

Gunny04 Offline
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damn, if its the gasket, thats going to suck...... well lets hope its something....... lol motor runs/sounds beautiful even though it has 211,000 miles on it! and for the gate, well that was 4 years ago! oh well, Cheers, Gunny

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Reply #3 - Jun 10^th, 2006 at 6:15pm

Mushroom_Farmer Offline
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A cylinder compression and leak down test would be the first course of action. If possible, check for fault codes.

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Reply #4 - Jun 10^th, 2006 at 9:22pm

Brett_Henderson Offline
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We've got a whole can of worms here...

As for smoke: White smoke that dissipates quickly is usually steam (indicating a bad head-gasket or cracked head).. Smoke that lingers indicates a rich mixture.. and if it's rich enough that gas has worked its way into the crank-case (you said there was gas in the oil ?) you've probably put some very serious wear on the piston rings and cylinder walls.. which will lead to the next type of smoke; blue/black smoke (burning oil).

I'd have to see the tailgate problem up close. Maybe just getting a whole tailgate from a junk yard would be better than trying to fix that one ?

You said it's only used for towing a boat.. so don't sink too much money into this beast. It's already 18 years old and I don't think that engine is long for this world Cheesy

Edit: You mentioned it was smoking like bug-fogger, so I'd guess it's already burning a bunch of oil.. 'cause a purely rich mixture smoke would be more black..

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Reply #5 - Jun 10^th, 2006 at 9:38pm

Gunny04 Offline
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Yea needs tires, breaks, and the smoke to stop..... The tailgate probably get one from a junkyard, but a guy had the same problem, it was something with the Injection. Hopefully an oil change, new plugs, and a different TBI can fix it...... if not, guess we'll call a junk yard and have em haul her away..... Thing is, it drives nice, sounds really good even though the muffler is 85% of the way non existent (its there but barely) Thanks for the advice! Needed it and keep suggesting things, I wont mind we need the boat in the water (its also fubar and busted) 1985 Century Palomino 19.6 ft that doesnt smoke, but doesnt run right either.... thats why we are trying to get this damn blazer running! Cheers, Gunny

AMD athlon 3800 Venice Socket 939 64 bit at 2.4Ghz, 6100K8MA-RS Foxconn Motherboard, 1gb (2X512) OCZ Platinum PC3200 Ram, EVGA 8800GTS 640MB OC, 500 Watt NZXT psu, and Windows Vista Ultimate Total hard drive space 530gb

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