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Topic: 87 bird throttle valve adjustment?? (Read 3831 times) previous topic - next topic

87 bird throttle valve adjustment??

hi, I am new here and just recently got my 1st tbird, an 87 with a 3.8, engine seems fine but I cant seem to figure out the throttle valve- kickdown rod adjustment. PO said it was stuck in 1st gear but I bought it drove it home (3 miles) it shifted 1,2,3. the shift lingage was out, had to actual shift to neutral to be in drive. now it wont change gears unless I let off the gas pedal. anybody know how to adjust the rod ( not a cable, its a rod)

87 bird throttle valve adjustment??

Reply #1
surely someone has some insight here!

87 bird throttle valve adjustment??

Reply #2
I don't think there is any adjustment. your trans is likely screwed. my ex had the tv cable pop off and burned up od in 2 miles. The dorman/help.section of autoparts stores has the bushings that can be replaced.
Quote from: jcassity
I honestly dont think you could exceed the cost of a new car buy installing new *stock* parts everywhere in your coug our tbird. Its just plain impossible. You could revamp the entire drivetrain/engine/suspenstion and still come out ahead.
Hooligans! 
1988 Crown Vic wagon. 120K California car. Wifes grocery getter. (junked)
1987 Ford Thunderbird LX. 5.0. s.o., sn-95 t-5 and an f-150 clutch. Driven daily and going strong.
1986 cougar.
lilsammywasapunkrocker@yahoo.com

87 bird throttle valve adjustment??

Reply #3
there is an adjustment screw by the throttle body and I did find something about sticking such and such size drill bit between it at WOT and blah blah blah, but I don't think a rocket scientist designed this thing, pretty simple procedure to adjust a kickdown CABLE. I am assuming it should be simple for a rod also.

87 bird throttle valve adjustment??

Reply #4
Sounds like you may have two different problems. If you have to put it in "N" to be in "D" then your gearshift pointer is off (probably broken, common in column shifted cars). That doesn't have anything to do with the TV linkage.
CoogarXR : 1985 Cougar XR-7

87 bird throttle valve adjustment??

Reply #5
http://www.coolcats.net/help/shift.html

1987 3.8 should be an aod, and your missing over drive. like i said, your transmission is likely junk. id recommend a t-5. I swaped one in my 87 for about $400. If you found the trans cheap enough, you could do it for a bit less. only thing u don't know what you would need is the correct flywheel.
Quote from: jcassity
I honestly dont think you could exceed the cost of a new car buy installing new *stock* parts everywhere in your coug our tbird. Its just plain impossible. You could revamp the entire drivetrain/engine/suspenstion and still come out ahead.
Hooligans! 
1988 Crown Vic wagon. 120K California car. Wifes grocery getter. (junked)
1987 Ford Thunderbird LX. 5.0. s.o., sn-95 t-5 and an f-150 clutch. Driven daily and going strong.
1986 cougar.
lilsammywasapunkrocker@yahoo.com

87 bird throttle valve adjustment??

Reply #6
Check to make sure the linkage on the trans where the TV valve attaches isn't hung up or spun out of place/facing the wrong way.  It's real easy to just pull down.  The pedal will feel really light if it is.  If the TV cable has popped off, the pedal will feel really light as well.  There SHOULD be a decent amount of resistance in it.  If you're feeling the resistance and it still will not shift out of first gear when your on the gas pedal, something's up.  You could try pulling the valve body, cleaning it out, changing the fluid, and reinstalling the valve body, but chances are you've burned up the bands. 

If you're handy and adventurous, a rebuild kit can be had for an AOD for around $160 for a standard kit.  With a 3.8 you really shouldn't require much more than the standard one. 

If it WAS something simple and you need to know how to adjust the TV cable see this link:  http://www.txchange.com/aodadj.htm

Go here for tons of AOD info:  http://www.clickclickracing.com/ 
A gentleman on there named Dan (screen name Silverfox) is THE guy to talk to.


As far as the indicator showing neutral when the car is actually in drive, this is a common issue with these cars.  I'm going to go ahead and make the assumption that your car is a column shift type.  There is a cable that has a ring that goes around the steering column which is held in place by a clamp.  The clamp has come loose, the ring has broken, or a combination of the two.  Pull all the trim off the column and surrounding dash trim, unbolt the 4 main column retainer bolts from underneath (they're BIG -- you can't miss them) and see what the issue is.  If the ring is cracked but sitll all there it can be reused.  Just line everything up and make sure the retaining clamp is nice and tight so as not to allow any movement.  I would put some loc-tite on the screw threads that hold it in place.
-- 05 Mustang GT-Whipplecharged !!
--87 5.0 Trick Flow Heads & Intake - Custom Cam - Many other goodies...3100Lbs...Low12's!

87 bird throttle valve adjustment??

Reply #7
t-5 is a sweet thought, but what im saying is, my OD is not gone its there I just have to let off the gas to make it shift. and yes it was 2 different problems, I fixed the shift linkage and now when I put it in drive its in drive. if I drive with very light throttle it shifts on its own but if I try to drive under normal acceleration I have to ease of the pedal for 1-2 shift again for 2-3 and once more for 3-od. I dropped the pan and changed filter and fluid ,some improvement, then I noticed the adjustment screw was ran all the way out, so I ran it half way in and somewhat better, so I guess I will keep turning in that direction until I like it or blow it! I was just hoping someone had a ballpark starting point for adjustment

87 bird throttle valve adjustment??

Reply #8
V8Demon, thanks but mine has a rod  not a cable. if it were a cable I have been there done that, just never dealt with the rod type before.

87 bird throttle valve adjustment??

Reply #9
He means the little cable that indicates what position your trans is in...inside the cluster. ;)

I've got a broken (or popped off) cable in my Mountaineer. Those are a little more of a PITA to remove than a good ole Thunderbird. I've been in there once to replace a couple of bulbs that were out.
'98 Explorer 5.0
'20 Malibu (I know, Chevy, but, 35MPG. Let's go brandon, eh)

87 bird throttle valve adjustment??

Reply #10
Adjust it so that od enguages at 41-42 mph if you have 2:73 gears. not sure what it would be with 3.08 or 3.27. Wot shift and a slow acceleration to od should hit at the same speed.
Quote from: jcassity
I honestly dont think you could exceed the cost of a new car buy installing new *stock* parts everywhere in your coug our tbird. Its just plain impossible. You could revamp the entire drivetrain/engine/suspenstion and still come out ahead.
Hooligans! 
1988 Crown Vic wagon. 120K California car. Wifes grocery getter. (junked)
1987 Ford Thunderbird LX. 5.0. s.o., sn-95 t-5 and an f-150 clutch. Driven daily and going strong.
1986 cougar.
lilsammywasapunkrocker@yahoo.com

87 bird throttle valve adjustment??

Reply #11
ok guys, maybe I will try to explain it another way, all my gears are there it shifts through all gears. it just holds all the gears to long. no slipping. where most AOD have a tv cable mine has a rod instead. it hooks on the throttle linkage at throttle body and goes down to the transmission.

87 bird throttle valve adjustment??

Reply #12
Haystack, thanks that's sounds like a point in the right direction. have check my rear diff. tomorrow, seems like like it wouldn't be much different for 3.08 which is what I believe mine is.

87 bird throttle valve adjustment??

Reply #13
I can remember what it should be...

2:73's should be about 41-42mph, and 3:55's in the crown vic was 35mph.

Should get ya in the ball park.
Quote from: jcassity
I honestly dont think you could exceed the cost of a new car buy installing new *stock* parts everywhere in your coug our tbird. Its just plain impossible. You could revamp the entire drivetrain/engine/suspenstion and still come out ahead.
Hooligans! 
1988 Crown Vic wagon. 120K California car. Wifes grocery getter. (junked)
1987 Ford Thunderbird LX. 5.0. s.o., sn-95 t-5 and an f-150 clutch. Driven daily and going strong.
1986 cougar.
lilsammywasapunkrocker@yahoo.com

87 bird throttle valve adjustment??

Reply #14
The link I posted shows how to adjust the rod style as well.  Check the linkage at the transmission itself to make sure it's not hung up on anything.
-- 05 Mustang GT-Whipplecharged !!
--87 5.0 Trick Flow Heads & Intake - Custom Cam - Many other goodies...3100Lbs...Low12's!