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Drunkace
Dakota Enthusiast
 
3/23/2001
01:32:00
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 Subject: Help....87 Timing
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How do you set the timing, Iv'e got an 87 AT 3.9 Carbed engine.........
Haynes say " connect jumper wire between the idle contact button and good ground, Disconnect the air switching valve at the air pump. Disconnect and plug the vacuum hose at the Spark Control Computer." it doesn't say what or where they are.......help
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Drunkace
Dakota Enthusiast
3/24/2001
18:49:50
| RE: Help....87 Timing
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Anybody?????
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87Dakota
Mechanic
3/24/2001
21:09:30
| RE: Help....87 Timing
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Ive got the same truck. The idle contact button is bolted directly to the side of the carb. It has a plunger, with a wire on the end of it. You need to ground that wire to the block or something. About the air switching valve, I'm not sure, I dont have an air pump. But the computer on mine is mounted on the passenger side inner fender wall. There should be a smaller vacum hose pluged into it. As far as the ASV check your vacum diagram on the truck if you have one. Good luck. By the way what are you setting you timing at?
Nick
1987 Dakota 3.9L, 3 speed, 220,000 miles
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Drunkace
Dakota Enthusiast
3/26/2001
15:50:38
| RE: Help....87 Timing
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Thanks....hood says 7 Deg BTC for my Automatic or Manual
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Kris
*GenII*
3/26/2001
23:40:29
| RE: Help....87 Timing
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Hey 87 Dakota,
Where in Wisconsin are you located? I'm in Waukesha (next to Milwaukee).
Kris Harnack
1994 Dakota V6 SLT
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87Dakota
Mechanic
3/27/2001
16:17:49
| RE: Help....87 Timing
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I'm near Lacrosse here.
1987 Dakota 3.9L, 3 speed, 220,000 miles
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Kris
*GenII*
3/27/2001
16:28:48
| RE: Help....87 Timing
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Cool, I love that area. I was there last year around fall, I remeber going on some high cliff that over saw the whole city. Nice place to live.
Kris Harnack
1994 Dakota SLT
V6/ RC/ SB/ Auto
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87Dakota
Mechanic
3/27/2001
20:06:53
| RE: Help....87 Timing
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Yeah, that place you were at is called Grandad's bluff. I've only been up there a couple times though. This area is sure getting bigger now, sadly.
Nick
1987 Dakota 3.9L, 3 speed, 220,000 miles
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Kris
*GenII*
3/27/2001
22:22:43
| RE: Help....87 Timing
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Have you ever been in my neck of the woods?
Kris Harnack
1994 Dakota SLT
V6 / RC / SB / Auto
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87Dakota
Mechanic
3/28/2001
22:23:39
| RE: Help....87 Timing
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Well, I've only driven through the city on my way to Racine a few times, but thats it. I don't like cities at all, especially Milwakee, no offense.
1987 Dakota 3.9L, 3 speed, 220,000 miles
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Kris
*GenII*
3/28/2001
22:49:58
| RE: Help....87 Timing
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Thats all right, I HATE Milwaukee also. And cities for that matter. I get dirty looks for having FM 106 stickers on my Dak, FM 106 is THE BEST country station in the state! The city of Waukesha isn't that bad, it's right dead center of Waukesha County. I live one mile from I-94, where it goes under Bluemound (if that rings a bell). Next time your in the area, look me up.
Kris Harnack
1994 Dakota SLT
V6 / RC / SB / Auto
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87Dakota
Mechanic
3/29/2001
21:37:20
| RE: Help....87 Timing
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I sure will. CC106 is the best station around. I listen to it all the time. I didn't know it reaches that far.
1987 Dakota 3.9L, 3 speed, 220,000 miles
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Drunkace
Dakota Enthusiast
4/02/2001
19:32:32
| RE: Help....87 Timing
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Hey....I went to Winona State Univ., Drove to Lacrosse more than a few times. Good place to pound a few at the local bars. I'm in Idaho now though....such a small world.
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Hotrod8288
Unregistered
4/30/2001
01:07:41
| RE: Help....87 Timing
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The air switching valve is located on the left bank of the engine, on a bracket (?)near a V belt and valve cover. There is a small vaccuum hose attached to the valve on the left side of it as you face the front of the engine. The valve has one or two large hoses connected to it and its purpose is to turn the flow of compressed air to the catalytic convertor off or on.
Incidentally, there is a TSB out on the timing of some 87 Dakotas. If 7 degrees causes your Dakota to ping while driving, you should adjust it to 3 degrees. Not that it matters on my Dakota. Because I can do all these things and the timing is still all over the place. Just wanders through 3 or four degrees and I don't know why. Even replaced the distributor pickup along with a full tuneup.
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87Dakota
Mechanic
4/30/2001
17:22:45
| RE: Help....87 Timing
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The reason your timing is "wandering" is probably your timing belt is probably a little loose or worn. Not that it affects much, but mine does the same.
1987 Dakota 3.9L, 3 speed, 220,000 miles
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hotrod8288
Unregistered
4/30/2001
21:56:30
| RE: Help....87 Timing
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Thats not it. I have replaced the timing chain about 10000 miles ago and it still does it. Any other ideas?
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MARK A
Dodge Dakota
JOIN HERE
3/30/2002
11:50:47
| RE: Help....87 Timing
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MY TIMING WAS ALL OVER THE PLACE UNTIL I CHANGED #1 AND #3 SPARK PLUG WIRES.. I'VE GOT MINE AT 20 BTDC. RUNS GOOD, BUT HAVE TO USE 91 OCTANE. CUT THE BROWN WIRE GOING TO CARB MIXTURE SELINOID HELPED TO. LEAVES IT IN OPEN LOOP. ALSO GET A ONE PIECE DRIVE SHAFT IF U DON'T ALREADING HAVE ONE. DODGE DID MINE FOR FREE, A RECALL I GUESS-BIG CHANGE IN HP -
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drunkace
Dodge Dakota
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4/03/2002
00:51:19
| RE: Help....87 Timing
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Recall-more power you say....??? Cool...Can I still get it even though it is 15 years old?
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Rob
Dodge Dakota
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4/03/2002
02:27:13
| RE: Help....87 Timing
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I don't think that it is a true recall. Just a tech service bulletin sent out to dealerships to help with the common problem. No doubt required by the EPA since it is a timing issue. Strange enough, my Dakota idles fine now that I ditched the Champion plugs and switched to Bosch Platinums. Still can't set the timing very well, but it's not "broke", so i give up trying to fix it and just drive it.
Red 1987 (Actually a late 86)Dakota 3.9 4x4, 170,000 miles. Paint peeling in the wind, just like every other one on the road.
Rob
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MARK A
Dodge Dakota
JOIN HERE
4/03/2002
10:44:05
| RE: Help....87 Timing
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HEY ROB - I ALSO HAVE A LATE 86 MOD. 240,000. HAVE YOU GOTTEN THE 1 PIECE DRAIVE SHAFT YET ? I WENT THRU 3 CARRIER-BEARINGS B-4 THEY PUT MINE IN, NO PROBLEM SINCE. I,VE HAD NO PROBLEM WITH PAINT PEEL (YET) BEEN GARAGED SINCE NEW. DO U HAVE THE 2.94 AXLE RATIO ?
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Dakker
Dodge Dakota
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4/03/2002
22:50:26
| RE: Help....87 Timing
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I have an 87... Setting the timing is impossible... I've tried 5 times and it goes back to the same place... i tried setting it at 7.. then it back fired so much i thought it was going to explode... so i finally set it on 14 or 15 and it runs ok for the most part... occasional pinging but nothing major... But it still changes...
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Super Bee
Dodge Dakota
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4/03/2002
23:34:32
| RE: Help....87 Timing
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hey guys, nothing usefull to add to this but you live i mile fron i-94, if you ever get on that and go about 240 miles north on it ill be there
lol
New Richmond WI
Near hudson, near boarder with MN
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Rob
Dodge Dakota
JOIN HERE
4/04/2002
00:39:30
| RE: Help....87 Timing
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Yeah, mines a late 86. I'm not sure about a 1 piece drive shaft. Is that the front or rear? The rear appears to be 1 piece. Is there a recall on that? I just know that I haven't had any trouble with carrier bearings. The most trouble that I have is with the rear end. It's a bit sloppy and the ring/pinion appear to be worn out due to the previous owners towing habit. I'm also not sure of the ratio, but knowing how it leaves stoplights, it has to be a 2.94. Surprised about Mark's paint. It usually comes off in strips down to the primer coat. Mine's just losing the clear coat on the faded red paint. I keep wondering if I can strip off the rest of the clear, scuff it, and shoot another topcoat on it.
Gave up on the timing, put the timing light away, and set it by ear. Runs great and it just failed its emissions test. Strange that it passed two years ago when it was running like crap. Woe is me until I found a temporary way around the test.
The best investment I have made in the truck is a the factory service manual. Haynes is OK, until it tells you to see your qualified technician. See the uatomatic transmission chapter. Then you just want to burn it!
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mark a
Dodge Dakota
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4/04/2002
08:52:57
| RE: Help....87 Timing
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ROB, LOOK UNDER THE HOOD FOR A WHITE DECAL IT TELLS YOU AXLE RATIO, AXLE SIZE,BRAKE SIZE, TRANSMISSION STYLE, AND OPTIONS, OH I HAVE ONE ON MY GLOVE BOX LID TOO. MY REAR END IS LOOSE TOO. THE DRIVE SHAFT IN THE LONG BED 2-WHEEL DRIVE IS A 2-PIECE, 4X4 ??? .....GLAD WE DON'T HAVE EMMISION TEST HERE..
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drunkace
Dodge Dakota
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4/04/2002
23:49:45
| RE: Help....87 Timing
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Can't belive this is still going....could not pass emissions last year....put carb cleaner in the tank and filled it with ethinol gas then drove it for 100 miles and passed better than ever before.
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Rob
Dodge Dakota
JOIN HERE
4/07/2002
00:26:47
| RE: Help....87 Timing
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Drunkace, I think I've noticed that. The first time my 87 passed I used a little Guaranteed to Pass (GTP) by Berryman to clean it out and used cheap 87 octane with ethanol. But when it failed I had used GTP and had 93 octane MTBE gas in it with no ethanol. Could be a coincidence, it needs further study. The EPA drives me nuts.
What makes me crazy the most about my 87? Lack of overdrive.
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drunace
Dodge Dakota
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4/07/2002
01:23:05
| RE: Help....87 Timing
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The only reason I used the ethanol gas was because it was advertised to lower emissions.I never used itbecause I hear bad thingsabout it gumming up the carb if left to sit---mind u that this was suggested for my small engine landscape equiptment. I carried that thought over to my cars untill I could not pass the smog test. I wonder what will happen next time.....I'll try the regular gas and see.
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MARK A
Dodge Dakota
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4/09/2002
10:07:32
| RE: Help....87 Timing
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LOOKING FOR A CARB FOR A 87 V-6. WITHOUT THE FEEDBACK CRAP, LIKE AN OLDER MODEL RODCHESTER. WILL THEY FIT ? NO AFTER MARKET CAMS FOUND EITHER . WOULD BE NICE TO GO BACK TO A POINT DISTRIBUTER TOO. BACK TO THE WAY THEY WERE MEANT TO BE . . .
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trevor
Dodge Dakota
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4/28/2002
17:14:59
| 87 Timing
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I just got an 87 dakota and i think i have a timing problem, haynes says its one of six things, but whats happening is when i turn the engine off the truck diesels, if i leave it in gear it does not was that your problem?
i have a v6 3.9L auto.
any help is appreciated!
-
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Rob
Dodge Dakota
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4/29/2002
02:03:32
| RE: Help....87 Timing
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Mine diesels a bit too. But it usually happens when I use the lawnmower grade of gasoline coming in at 87 octane with alcohol. This leads me to believe that the rumors about carbon buildup are true. The carbon gradually raises the compression ratio in the chamber and may even form hot spots. You've also got to make sure the throttle blades are closed all the way when you shut it off, too, I think. Try the GTP in your tank. I noticed that it did run a little better when it got cleaned out. Of course, always check the timing....if you can!!!
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...
Dodge Dakota
JOIN HERE
4/30/2002
20:57:38
| RE: Help....87 Timing
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donn't use gas blended with alcohol in a carb engine
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