Question about 1996 Oldsmobile Bravada

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Disturbed timing...need info on resetting non-adjustable timing.

I have a '96 Bravada with a 4.3L 262 v6. The distributor was disturbed while removing the lower intake manifold, but wasn't marked beforehand. I found compression in the number 1 spark plug hole, took the belt off and hand cranked the crankshaft pulley to line up the timing marks, and set the distributor, which appeared to point towards number one spark plug. When trying to start, it was backfiring through the intake, which seems to suggest 180 out. I picked up the dist. and turned it 180, dropped it back down, and it started but ran VERY rough, so it is still out of time. The distributor is non adjustable on this model. Am I missing something or doing it in the wrong order? Help Please!

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Sounds like your off just one tooth, try pulling up dist. and back it up one tooth( counter clockwise) and try it again. When you reinstall the dist. it always goes in just before #1 not right on #1. Your in the ball park.

Posted on Jun 03, 2009

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You have to get # 1 up on compression, have the 2nd line on damper line up with the notch on timing cover.
the rotor button must point to the number 6 on the dist case. It has a number 8 and a 6. When this is lined up, the rotor will be pointing at number 1. Lokk at the way the terminals cross over in the dist cap,

let me know if this works.
Marvin

Posted on Sep 16, 2009

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Fig. 1: Buick-built 231, 252 V6 Engine firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise


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Fig. 2: Olds-built 260, 307, 350, 400, 403, 455 Pontiac-built 265, 301, 350, 400, 455 V8 Engine Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: Counter-clockwise


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Fig. 3: Buick-built 350 V8 Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise


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Fig. 5: Chevrolet-built 262 Firing order: 1-6-5-4-3-2 Distributor rotation: clockwise


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9093146.jpg
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Manufacturer's Suggested Retail Price $ 30,285
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After so many miles on the distributor,the oil seal can wear out. Oil and vapor can slowly enter the senor area and cause fail rotation/spot information to the computer ECU.

In order to inspect for potential oil leak inside the distributor,you must be pretty handy.

Pull the cap and rotor and inspect them for oil.

Look directly into the shaft of the distributor and see is there any loose plastic (from the cover) or metal particle.

This key is to keep it clean.

Use a can of compress air if you have one.


Put the cap and rotor back on. Make sure all the wires are secure and reset the code.

or disconnect,wait 2 minutes and reconnect battery cable.


If you see oil the you will need to locate and replace the rubber seal.

Oil and electronic part does not play well together,


Please keep me up to day by appending to this post.

Good luck.



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