Bw35 transmission parts, repair guidelines, problems, manuals. Gearbox automatic of bands and borg front dutch and front brake band warner 2nd gear front is applied connecting the power from the converter to the forsard sun gear and the plaretary gear set. The car in question has recently been recommissioned after being unused since 2011, and having very little use under 100 miles a year. In 1985 1 converted my bw35 automatic stag to manual using the fivespeed gearbox, at the same time i fully overhauled the engine. The m37 is first mentioned in the 1967 amc technical service manual tsm. The original recommended fluid was type f, which was later superceded by type g, one of the original recommended makes being castrol tqf. When this article refers to m3x it refers to all models. The 4 speed bw45 auto was introduced in the uk with the 1600 upgrade in october 1973, but didnt appear in nz 1600 models until 1975.
Engine and gearbox complete bought to rebuild and put in my car. A planetary gear set consists of a central gear called the sun gear, an outer ring with internal gear teeth also known as the annulus, or ring gear, and two or three gears known as planet gears that rotate between the sun and ring gears. If this box is for your serious horsepower crossflow i would seriously consider a turbo 350 gearbox as they have a lot of aftermarket parts and are a bit cheaper than a c4 to work. The borgwarner 35 transmission bw35 is an automatic transmission produced by the. Jan 18, 2018 borg warner 35 in 3500 weak reverse when cold, no reverse when warm.
The automatic gearbox includes a planetary set having 2 center gears, 3 sets of 3epicyclic gears which can be found in a planet gear holder and follower gear. Borg warner bw35 front, rear, all friction clutch plate. The borgwarner 35 transmission is an automatic transmission produced by the borgwarner company. Automatic transmission rebuild kits bw35 transmission. Topping up with the wrong fluid can damage the transmission. Out with the old, in with the new bw35 to aw70 conversion. Borg warner 35 automatic gearbox removal help needed.
When model number specific it will use the exact model number. Rwd bw35 to aw71 automatic transmission conversion for b20. Check in the car handbook which particular fluid should be used for your car. At the end of the day both the c4 and the turbo 350 have around the same torque rating when built its just the 350s are a bit cheap. The reason for these restrictions is that the internal fluid pump of the gearbox, being driven by the engine, does. Would prefer a running trans but will look at anything. This service manual is written for the amazon, but can also be used for the 1800series and 164 since these cars have the same automatic transmission only the gear linkage is different. How to repair rebuild the bw35 automatic gearbox in your 1800e or 1800es. The short answer to this question is, yes and with quite pleasing results. Click here to show image click on a section of the image to magnify it. Automatic transmission kits and components catalog gfx corp.
Both types are 5 speed constant mesh gearboxes employing helical tooth gears and are fitted transversely in the vehicle. Bw35 transmission troubleshooting help, bw35 rebuilding. If you use an earlier gearbox, you will need to plug the speedo drive hole in the output shaft housing. Bw35 box out of cm valiant taken out of rusty car, was running ks unknown, suit vg to cm hemi 6. How to check and change automatic transmission fluid how a. How to check and change automatic transmission fluid how. Gearboxautomatic front clutch and rear clutch 2 3rd gear enters the gearbox from the torque con. The most reliable automatic transmission ford has ever produced has been the c4 cruiseomatic. Bw35 to aw71 automatic transmission conversion for b20. The c4 is a simple threespeed automatic transmission you. Ford c4 automatic transmission modified mustangs and fords.
Borg warner 35 in 3500 weak reverse when cold, no reverse when warm. Eric hi performance automotive service formerly ovo or old volvos only torrance, ca 90501. The rear clutch is applied which connects the power from the converter to the reverse sun gear both sun gears being locked together, the gear set rotates as a unit providing a ratio. Borg warner 35 in 3500 weak reverse when cold, no reverse. Parts for classic cars, parts for jaguar, parts for daimler, parts for austin healey, parts for mg, parts for sprite, parts for midget, parts for mini, parts for. Allison transmission model, which has 6 speed and reverse is used for this purpose. The basic gearbox is the same, but some are better or stronger than others. This effectively turned the dg into a threespeed automatic, the first with a torque converter gms fourspeed hydramatic used a fluid coupling, and with a locking one at that. The play should be noticeable and less than or equal to the freeplay in 2 when the lever is moved gently towards 1. Cutaway view of a torque converter showing the impeller, turbine and reactor. To start with, the fluid level checking procedure is stated incorrectly in several places in the rover factory manual and the workshop manuals. Volvo automatic transmission bw35 parts classic volvo. Borgwarner 35 bw35 automatic transmission manual borg warner bw35 manual a type overdrive manual author. The model 35 three speed automatic transmission is coupled to the engine by a threelement torque.
Pump converter seal suit borgwarner 35 bw35 transmission. If converting from manual transmission to automatic check which you have before. Bw35 transmission troubleshooting help, bw35 rebuilding tips. Stock info sufficient stock low or 1 in stock out of stock. Apart from the gearbox itself the following parts are. Borg warner 35 37tb t65 t66 forward drum hub input shaft forward clutch output shaft center reverse band ring gear support sprag rear planet yoke oil tubes valve body there are two basic types of bw35 transmissions used for nonusa production.
I need to separate the engine and automatic gearbox from a 1965 sunbeam alpine sports car and i have little. Zf 5hp18 automatic transmission spare parts catalog table. Anyone with a pre 1982 automatic transmission equipped volvo is familiar. At1 automatic transmission page description at2 operation at4 troubleshooting at9 general notes at9 general troubleshooting at10 preliminary check at12 mechanical system tests at14 automatic shift schedule at26 neutral start switch at28 od solenoid w cruise control system at28 at fluid temperature warning system at29. Bw 35 niedomagania automatic transmission transmission. Ford c4 automatic transmission modified mustangs and. Gearbox automatic support sun gear long jpinion, k o utput shaft front clutch for forward the oneway clutch input shaft bfront cfront brake clutch power enters through one of the sun gears and leaves the gear set through the in all for ward gears, enters through the forward sun gear and in reverse through the reverse sun gear. Here is a link for the complete borg warner 35 service manual. Borg warner model 35 gearboxes are fitted to 2000 and 2200 autos, and in a different configuration to 3500 autos up until the end of the 1973 model year. Jan 09, 2016 the operation of an automatic transmission is explained here with help of animation. Its been suggested to me on a different forum that a possible alternative to the bw35 would be a more modern zf 4hp22 gearbox fitted to modern jags but using a land rover of range rover bellhousing. Type 1 is primarily used for european vehicles produced from 196375. We rebuild the 4speed transmission so that it shifts like it did when it was new.
Two types of manual gearbox are fitted to the rover 800 range, type pgl which is fitted to 2. If youre going to buy one from a junkyard, get one from the latest years possible. For two brief years 19541955, studebakers automatic was the most advanced and most efficient in the land. We replace all wornout parts and reseal the gearbox. I have since received several inquiries from members on the subject and i have personally contemplated this conversion for some time. Frk51 250b forward clutch borg warner grooved heavy duty oem 35 bw35.
Automatic gearbox borg warner model 12 outer sc parts. Otherwise, the aw70 71s gear selector switch will need to be adapted to the bw35 s gear selector assembly or a complete aw7071 shifter assembly will need to be installed in the vehicle. From the start of the 1974 model year in october 1973, borg warner 65 gearboxes are fitted to. Zf 5hp18 automatic transmission spare parts catalog. Borgwarner t bar auto bw3540 transmission and differential. If this box is for your serious horsepower crossflow i would seriously consider a turbo 350 gearbox as they have a lot of. Bw35 and bw45 automatic gearbox tech read 5635 times joker. The transmission in the picture has an overdrive unit which we also rebuild. The original p76 gearbox was the precursor of the bw40 fitted to bigger engined fords 4. From the start of the 1974 model year in october 1973, borg warner 65 gearboxes are fitted to v8s. How to repair rebuild the bw35 automatic gearbox in your amazon. Buy borgwarner car automatic gearboxes and get the best deals.
Mark larmour sprintparts the standard dolomite sprint stag tr3,4,5,6. If the play is correct, tighten the locknut to 15 ft. The key difference between a manual and an automatic transmission is that the manual transmission locks and unlocks different sets of gears to the output shaft to. This article also applies to variationsthe m36 and m37. The operation of an automatic transmission is explained here with help of animation. Check the freeplay in drive when the lever is gently moved towards neutral. Most modern automatic gearboxes have a set of gears called a planetary or epicyclic gear train. We remachine the synchros and reclearance all the parts. The borgwarner 35 transmission bw35 is an automatic transmission produced by the borgwarner company. Now atfg is available from the likes of comma, and providing it meets the ford specification m2c33g it is ideal for the bw35.
The c4 is a simple threespeed automatic transmission you can rebuild in your home garage with. Automatic transmission rebuild kits bw35 transmission type. The video course teaches you everything about modern cars. The hydraulically operated control unit includes a valve location and a pump activated by the engine. Automatic gearbox pdf catalogue page 84 the following parts are available in this group. Get bw35 transmission rebuilding tips, bw35 troubleshooting help, bw35 technical service bulletins, bw35 diagnostics and bw35 technical information from trnw. How to check and change automatic transmission fluid automatic. Gearboxautomatic front clutch and rear clutch 2 3rd gear power enters the gearbox from the torque con. Im hoping someone on here can help with a slightly odd automatic gearbox fault. Automatic borg warner 35 transmission shop by category.
The consensus is that all the nz 1500 avengers were manuals, so no 3 speed bw35s in nz avengers. Otherwise, the aw70 71s gear selector switch will need to be adapted to the bw35s gear selector assembly or a complete aw7071 shifter assembly will need to be installed in the vehicle. This is static content you can add form admin as per your requirement. Im after a borg warner 35 automatic transmission and tail shaft to suit a 1966 humber vogue.
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