Question about 1988 Ford Bronco II

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1988 Bronco II transmission pop out of 1st gear

Recently added Lucas gear oil additive to 5 speed trans to quiet 3rd and 5th gears. It worked! However, it started to pop of of first gear when I am not consciously placing it in gear. Don't know if Lucas gear oil did this or if it is caused by something else.

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There are dent and brass balls that are in your transmission and are used to hold the shifter into each gear when it starts poping out of that means that those dents and brass balls are worn down and i would suggest getting the transmission rebuilt.

Posted on Dec 16, 2008

  • Thomas Dec 22, 2008

    Did my solution work for you? If so will you please change the rating to fixya, please?

    Thanks

    Tom

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1988 Chev. Van G30, auto. Trans., shifts fine from 1st to 2nd, but trying to go into high(3rd) gear takes a very long time getting into 3rd. gear. You can feel the holding back then after the speed picks...


Try using Lucas transmission fix. This product works great. Check your tranny fluid first (warm engine in park) it must be red and not black (contaminants) and not light pink and foamy (water), both require a visit to a transmission shop.
Before adding the Lucas, if your tranny level is normal, you MUST remove the same amount of tranny fluid as the amount of Lucas you are putting in. You can use clear plastic tubing that will fit into the fill tube and siphon it out. It could also be that your detent cable needs to be adjusted. You will need to get instructions on how to to this. It is fairly easy to adjust. It will be a cable connected to the throttle body.

Oct 30, 2013 | Chevrolet G30 Cars & Trucks

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General Motors gear ratios hide] 1 GM Rear Wheel Drive...


General Motors gear ratios
hide]

GM Rear Wheel Drive Transmissions

PTU = Power Transfer Unit (Crossover SUV AWD/4WD)

6 Speed Automatic Transmissions

RPO Trans Name 1st 2nd 3rd
MNK Allison 1000
MNZ Allison 1000
MW7 Allison 1000
MYB
MYC

5 Speed Automatic Transmissions

RPO Trans Name 1st 2nd 3rd
M74 Allison 1000
M22 5L50-E
M82 5L40-E
MTW Allison 2400
MX4 Allison 2000
MX5 5L40-E with PTU*
MV3 5L50-E with PTU*

4 Speed Automatic Transmissions

RPO Trans Name 1st 2nd 3rd
M30 4L60-E
M32 4L60-E HD
M32 4L65-E
M33 4L60-E Hybrid
M41 4L30-E
M70 4L70-E Super Duty
M99 2ML70 2-mode Hybrid*
MD8
ML4 4L30-E
MN8 4L80-E HD
MN8 4L85-E
MT1 4L80-E
MW9 HM 200-4R
  • EVT Mode 1 The 2ML70 can operate in electric mode or non-electric mode in first gear with a gear ratio of infinity to 1.70:1.
  • EVT Mode 2 The 2ML70 operates in non-electric mode with a gear ratio of 1.70 - 0.738:1

3 Speed Automatic Transmissions

RPO Trans Name 1st 2nd 3rd
M40
M41
M65
MD2
MD3 HM-180
HM-200C
HM-350
HM-400

GM Front Wheel Drive Transaxles

6 Speed Automatic Transaxles

RPO Trans Name 1st 2nd 3rd
MH2
MH4
MH6 6T75 (AWD)
MH7
MH8
MY9 6T75 (AWD)

5 Speed Automatic Transaxles

RPO Trans Name 1st 2nd 3rd
Aisin-AW 55-51LE
M09 Aisin-AW AF33-5
M43 Aisin-AW AF23-5
M45 Aisin-AW AF33-5
M98 AF33-5
MJ7 Honda 5AT
MJ8 Honda 5AT w/PTU*
MLS Aisin 50-40E
MU3 Saab 76.5mm

4 Speed Automatic Transaxles

RPO Trans Name 1st 2nd 3rd
MLQ Aisin 81-40LE
Aisin ZF 4HP 16
HM 325-4L
Jatco JF405-E
M10 Jatco JF403-E
M13 4T60-E HD
M13 4T60-E
M15 4T65E
M45 Aisin-AW AF33
M57 A245-E
M76 4T65E with PTU*
MD7 4T65E
ME7 4T45-E BAS Hybrid
ME8
ME9
MH1 4T80-E
MN3 4T65E
MN4 4T40/45-E
MN5 4T45-E
MN7 4T65E HD
MS7 A240-E
MU4 A246-E
MU5 U341-F

3 Speed Automatic Transaxles

RPO Trans Name 1st 2nd 3rd
M60 GEO Metro
MB3 A131L
MD9
MX1 A131L
GEO Storm
HM-425

GM Manual Transmissions

6 Speed Manual Transmissions

RPO Trans Name 1st 2nd 3rd
M10 Tremec 85mm
M12 Tremec T56
ML6 ZF S6-650
ML9 ZF S6-40
MM6 Tremec T56
MV1 Aisin 85mm
MV5 Aisin D173 AY6
MV6 Aisin 85mm
MZ6 Tremec 85mm

5 Speed Manual Transmissions

RPO Trans Name 1st 2nd 3rd
M35 Getrag 260
M35 Getrag 260 (2003-2004 Cadillac CTS)
M49 BW 5spd
M50
M59 GEO Tracker
M86 Getrag F23 75mm
M94 Getrag F23
M96 Tremec 109mm
MA5 Aisin AR5 82mm
MG3 Getrag F23
MG5
M50
M51
MH3 Tremec T-5
MK5 C59
ML2 Tremec T-5
ML3 Tremec T-5
MT8
MU3 Saab F25
MW2
MW3 NV4500 109mm
TR-3450
TR-4050
TR-4050
2007 Chevrolet Optra and Spark (Trans code Y4A)
2007 Chevrolet Optra and Spark (Trans code Y4M)

4 Speed Manual Transmissions

RPO Trans Name 1st 2nd 3rd
M20 HM-117
M73 Isuzu
MC0 Getrag
MC9
MY6 NP260

More GM Manual Transmissions

6 Speed Manual Transaxles

RPO Trans Name 1st 2nd 3rd
MT2 Opel F40 83mm
MU9 Opel F40 83mm
MTN Toyota C60

5 Speed Manual Transaxles

RPO Trans Name 1st 2nd 3rd
D-16 (2005-2008 Chevrolet Aveo 1.4 DOHC / 1.5L)
D-16 (2005-2008 Chevrolet Aveo 1.4 SOHC)
Y4A (2007 Pontiac Matiz)
YM4 (2005-2007 Chevrolet Aveo)
D-20 (2005-2007 Chevrolet Epica)
L73 Pontiac LeMans F16
M42 Geo Metro
M43 AF23
M49 BW 5spd
M58 Geo Metro
M79 LeMans F13
M86 Getrag F23 (5T45MI)
M94 Getrag F23
M98 Aisin 55-51E
MB4 Geo Prizm 1.8L
MB5 Geo Prizm
MFB 2008 Chevrolet Epica 5-Speed S/R (D24)
MFN 2008 Chevrolet Epica 5-Speed S/R (D33)
MG1 HM-282
MG2 HM-282
MG3 Getrag F23
MJ1 Isuzu
MK7 Isuzu
MLM Y4M (2008 Chevrolet Aveo 1.6 DOHC)
MR3 Isuzu
MU3 Saab F25
MV2 Chevrolet Sprint
MY7 Early J-car

GM Continuously Variable Transaxles

RPO Trans Name Lowest Highest
M83 V20-E
M75 V25-E
M16 V25-E AWD

on Apr 15, 2015 | GMC Cars & Trucks

1 Answer

1988 Ford Bronco II shifts into 1st and 3rd gear hard and some times pops out of gear.


Sounds like the first and third gear synchronizer is worn out.
You might want to talk to a transmission shop to confirm.

Feb 28, 2013 | 1988 Ford Bronco II

1 Answer

Transmission oil was low, so we added to fill level and it helped for 1st, and a little in 3rd, but still no 5th gear


Assuming this is a manual shift transmission then 5th has probaly melted due to no lube.5 th gear is smaller on the countershaft and does not dip into the sump as far.So it is the first to loose oil when trans is low.If this is a 5 speed auto like on the 04 up accords and odessy vans then clutches are most likely damaged.Either way you are gonna need transmission repair.Good luck!

Apr 27, 2011 | Honda Prelude Cars & Trucks

1 Answer

How do you know what ratio a subaru wrx gearbox is if it doesn't have a trans code sticker on it?


This information is from my genuine service manual. I hope it is of help.
Non-turbo
Turbo
Sedan Wagon
Type 5-forward speeds with synchromesh and 1-reverse
Transmission gear ratio
1st 3.454 3.454
2nd 2.062 1.947
3rd 1.448 1.366
4th 1.088 0.972
5th 0.780 0.738
Reverse 3.333
Front reduction gear Final
Type of gear Hypoid
Gear ratio 4.111 3.900
Rear reduction gear
Transfer
Type of gear Helical
Gear ratio 1.000 1.100
Final
Type of gear Hypoid
Gear ratio 4.111 3.900 3.545
Front differential Type and number of gear Straight bevel gear (Bevel pinion: 2, Bevel gear: 2)
Center differential Type and number of gear
Straight bevel gear
(Bevel pinion: 2, Bevel gear: 2 and viscous coupling)
Transmission gear oil GL-5
Transmission gear oil capacity 3.5 2 (3.7 US qt, 3.1 Imp qt)

Mar 21, 2010 | 2007 Subaru Impreza WRX Sport Wagon

2 Answers

I own 1994 Acura Integra with a 5 speed manual transmission that recently started to develop a gear whine between shifting 1st to 2nd gears and 3rd gears--less so between 4th and 5th gears. What do you...


If the whine is there than the main bearing is already worn adding fluid will not save it, you will have to swap it or rebuild it. sorry i know you were hoping for something better.

Jan 31, 2010 | 1994 Acura Integra

1 Answer

I have an 86 ford bronco II. Ive been driving around with the tranny not going into 4th gear. Today I was driving and the tranny started to completely slip into 3rd gear, almost like going into neutral....


I would have to say no,there is nothing else you can do now. Does the fluid smell burned? Is it discoloured? If it is ok now after the top up and additive ,consider your self lucky.

Sep 30, 2009 | 1986 Ford Bronco II

1 Answer

5-speed transmission making noise in 3rd and 5th gear


are u sure the alignment (side to side, up and down) of the trans on the bell housingis not out of spec, that will burn the bearings out very quickly.

May 04, 2009 | 1998 Ford Ranger SuperCab

1 Answer

Ford Bronco II standard tran. Has no 1st or 2nd gear.


Replace the transmission fluid. I think those used ATF, but check to be sure. (if you made the mistake of using 80/90w drain it...those transmissions were not designed for 80/90w. gear oil)

Dec 02, 2008 | 1989 Ford Bronco II

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