Question about 1986 Chevrolet Chevy

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I have a 1986 chevrolet caprice classic, 305 motor, the transmission seems to work just fine, once i start accelerating and it gets to about 40-50 mph, its like it just stalls out. I just wanna know w

Transmission problems.

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  • Chevrolet Master
  • 4,999 Answers

The throttl valve that regulates the trans mite need ajust--but the TPS may need replaceing or the idle speed motor on the throttlbody--get car scanned at a private shop that has the factory gear to do a data stream--a code reader at a partstore or a dealer is not gonna pinpoint issue-u be broke buyin un needed stuf

Posted on May 14, 2014

  • Roger Paull III May 23, 2014

    many transmission shops will do a quick adjustment for dirt cheap sometimes even free, I would start there.

  • Roger Paull III May 23, 2014

    many transmission shops will do a quick adjustment for dirt cheap sometimes even free, I would start there.



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Posted on Jan 02, 2017

  • 1010 Answers

SOURCE: transmission is slipping on 1992 Chevrolet Caprice Classic

Dude.. You need to adjust the TV cable or it is broken. It runs from the throttle to the transmission. It sounds like it is starting off in the wrong gear. All of this is due to that cable man! Have it checked out before it burns the trans out! Also; make sure it is full on fluid, and DO NOT over fill it. After you have driven it for a while, stop on level ground, put it in park, and check the dipstick. check it many times, and go by the low side of the stick. It may read up there on one side but low on the other, and if this is the case it is low. The fluid should show full on both sides of the stick. When changing the filter, there is a grommet type seal that goes up in the valve body, and they are very hard to change without the proper tool to do it with. A common mistake is some people think the old one is out and put the other one in, and have two in it. This will cause all kinds of problems. If that seal gets damaged it will **** air and cause the trans to give problems. Good Luck!

Posted on May 15, 2008

  • 6784 Answers

SOURCE: Chevy Caprice Classic Transmission, car won't go after warmed up

Unfortunately, this transmission will need a rebuild. this is much more than a filter or seal. what has happened here is, the gear ratio is all out of whack.

Posted on Feb 08, 2009

  • 1118 Answers

SOURCE: transmission leak 94 caprice classic

If its in the line its self just cut the line in two and take some fuel line hose, the right diameter, slip it over the line with a couple of clamps and that should fix it. Theres not much pressure there and its a cheap fix.

Posted on Mar 28, 2009

  • 715 Answers

SOURCE: transmission
This is great info, need to pressure check trans to properly set up trans. for long life, check it out
Be cool

Posted on May 03, 2009

  • 1 Answer

SOURCE: 1991 Caprice Classic 305 engine surge

Sounds like the throttle position sensor to me. I have a 1991 caprice wagon and I have to replace this part every 6 months or so. It's a cheap easy to replace part, around $25, but I haven't been able to find one that will last like the OEM. It's just a variable resistor that tells the computer where you have the gas pedel. When it fails it tells the computer you're giving it gas when you're not.

Posted on Jul 12, 2009

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Engine vacuum diagram for a 1984 Chevrolet Caprice Classic with a 305 V-8


Fig. Fig. 36 1984 305 (5.0L) V8 engine Canada


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Hope this helps (remember to rate this answer).

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