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88 chevy astro van wont shift
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JEWELZ45
Novice
May 11, 2012, 5:16 PM
Post #1 of 16
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88 chevy astro van wont shift
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i have an 88 chevy astro van 4.3 ,i had the transmisssion rebuilt but ts still not shifting have replaced a few other parts ,no luck, any help would be appreciated greatly thankyou
JULIAN
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nickwarner
Veteran
/ Moderator
May 11, 2012, 5:21 PM
Post #2 of 16
(5325 views)
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Re: 88 chevy astro van wont shift
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Does this drive at all? Did you check the condition of and adjust the TV cable at install? What is the fluid level? Did you fully flush the cooler and lines when you put this in?
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JEWELZ45
Novice
May 11, 2012, 5:58 PM
Post #3 of 16
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Re: 88 chevy astro van wont shift
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it drives when put into gear it goes in reverse and back ups, we had a so called mechanic rebuid it for us,replaced speed control sensor, and im not sure but a speed control arm not sure exactly, replaces the throttle body cable as well,and refilled with fliud.
JULIAN
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JEWELZ45
Novice
May 11, 2012, 6:00 PM
Post #4 of 16
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Re: 88 chevy astro van wont shift
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it just wont shift once you put it in to drive
JULIAN
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Discretesignals
Ultimate Carjunky
/ Moderator
May 11, 2012, 6:24 PM
Post #5 of 16
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Re: 88 chevy astro van wont shift
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Does it go into any gear when you put it into drive?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 11, 2012, 6:28 PM)
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JEWELZ45
Novice
May 11, 2012, 6:34 PM
Post #6 of 16
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Re: 88 chevy astro van wont shift
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once you put it into drive it goes but will not shift into second gear doesnt matter how fast you try to go it just wont shift doesnt seem stuck or any thing.ok i have another question, but not sure how to explain or ask ,ok im asking for my husband its something like a spindle that goes on the side of the tranny speed ometor cable hooks up to it,how many teeth is it suppose to have ours have 36 and is it suppose to be green ?
JULIAN
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Discretesignals
Ultimate Carjunky
/ Moderator
May 11, 2012, 6:39 PM
Post #7 of 16
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Re: 88 chevy astro van wont shift
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The speedometer gear or cable has nothing to do with the shifting.
You need to be checking for a stuck governor valve in the governor, bad governor gear, or stuck shift valve in the valve body.
Governor:
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 11, 2012, 6:48 PM)
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JEWELZ45
Novice
May 11, 2012, 8:15 PM
Post #8 of 16
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Re: 88 chevy astro van wont shift
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my husband and the mechanic couldnt find one at any auto parts store today but found one at the u-pull it here in albuq. new mexico but same thing so the mechanic said hes gonna pull the the whole tranny down and take it apart,i appreciate your help since,the mechanic doesnt seem to understand whats wrong, hes had it for over two weeks already, by any chance could it be anything else that he failed to check or replace.
JULIAN
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JEWELZ45
Novice
May 12, 2012, 5:01 PM
Post #10 of 16
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Re: 88 chevy astro van wont shift
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wrong mechanic cant afford another but ill let you know when my husband has it running thankyou for your help
JULIAN
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JEWELZ45
Novice
May 12, 2012, 5:06 PM
Post #12 of 16
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Re: 88 chevy astro van wont shift
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very very true, but right now im broke and we have bought all the parts for this rebuild and other parts my husbands there now working on it, i think my husband should have just did it himself
JULIAN
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Discretesignals
Ultimate Carjunky
/ Moderator
May 12, 2012, 5:08 PM
Post #13 of 16
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Re: 88 chevy astro van wont shift
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Just curious, but what happened to it to cause it to be rebuilt?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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JEWELZ45
Novice
May 12, 2012, 6:13 PM
Post #14 of 16
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Re: 88 chevy astro van wont shift
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well it just stopped shifting, so figured it was the tranny,we were going to buy one at the junkyard but our friends uncle said that it would be better to rebuild it instead and since he has A shop we said ok, but apparently hes not to educated (i say)because i figured he would of completely checked out all the possibilities.i can say that weve had this van for about 8yrs and its been great, minor fixes once n awhile, and now just wait and see my husbands there again today apparently this guy isnt working on it until he shows up.
JULIAN
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JEWELZ45
Novice
May 14, 2012, 2:48 PM
Post #15 of 16
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Re: 88 chevy astro van wont shift
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thankyou for your help,problem still not resolved,so until he is able to fix my van im using his grandam,
JULIAN
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Discretesignals
Ultimate Carjunky
/ Moderator
May 15, 2012, 6:16 PM
Post #16 of 16
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Re: 88 chevy astro van wont shift
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Wow, it must be a real brain teaser. When it was overhauled was the valve body disassembled? Sometimes those valves can get hung up in the bores or leak. Sometimes bores need to be rebushed and new valves installed. The steel check balls can beat up the seperator plate and cause balls to not seat properly. Another factor is making sure that your valve body isn't distorted from improper torquing. That can hang up valves too. How did the old clutches and bands look when it was overhauled?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 15, 2012, 6:18 PM)
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