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Jaguar Cars Limited 2005

JAGUAR SERVICE BULLETINNumberSection

SheetDate

P.l!'.1AutomaticTransmisaion1 (o f 1)May, 1960

TOBQUE CONVEMER SETSCREWS(.All Autome..t i c Transmission Models)

Torque converters are DDW secured to the drive plate with longersetscrews (Part number 0.16682). To ensure f'ul.l engagement of' the longer thread, a cut-a .1ay i s machined in the torque converter below eachthreaded hole as indica. ed by the arrow in Fig. 2.

Note tha t it i s ABSOLUTELY ESSENTIAL tha t the lone; setscrewswhiah are 17/32" (13.5 Dm) i n length (see inse t in Fig.2 . ) a re no tf i t ted to a torque converter which does DOt h4ve cut-a-ways--macbinedunder the setscrew boles , otherwise the setscrews wil l bottom in theholes . A torque converter Wi.tlx>ut the out-a"""WB;y i s illuatra.ted inFig.1 ; the 7/16" (11 .1 um) l ong setscrew which wsr be f i t ted to th istype o f converter i s shown inset .

In fu.ture, a l l converters supplied from Jaguar Spares Divisionwi l l have the correct setscrews attached.The part number o f the Torque Converters with out-a...-ays are asfolloWB:-

2.4 l i t r e modelAll models except 2.4 l i t r e

Part Number0.17080 (supersedes 0.13773)0.17085 (supersedes 0.10986)

Contimed


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JAGUAR SERVICE BULLETINNumber FF. 2Section Automatic Transmiss

Sheet l (o f l )Date February , 1961

DELETION OF MULTIPLE DISC CLUTCH BLEED VALVE(Al l Automatic Transmiss ion Yodels )

With e f f e c t from November, 1960 the bleed va lve a t the bot tomof th e mul t ip le disc c lu t ch cy l inder in the low drum i s omit ted.The omission of the b leed valve does no t a f f e c t the opera t ionof th e t r ansmiss ion . The two types of f ron t sun gear and low drumassemblies with and without bleed valve are t h e re fo re in te r changeabl

and th e p a r t number i s unchanged.


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JAGUAR SERVICE BULLETINNumber FF . 3Section Automatic

Transmiss ionS h e e t l ( o f l )Date June , 1961

AUTOMATIC TRANSYISSION DIPSTICKYodels a f f ec t ed

3 .4 l i t r e Yark 2 Automatic Transmiss ion3 .8 l i t r e Yark 2 Automatic Transmiss ion

Commencing Chass is NumbersR.H. Drive

155965205364L.H. Drive

177304217573On cars wi th the above ch as s i s numbers and onwards th eautomat ic t r ansmiss ion o i l l ev e l d i p s t i ck i s loca ted on the r i g h t

hand s ide of th e engine a t the f ro n t o f the i n l e t manifo ld . Themethod of checking th e o i l l ev e l i s th e same as wi th the p rev ioustype o f dips t i ck as descr ibed i n Serv ic e Bul le t in number 266.WARRANTY - BORG-WARNER TRANSMISS ION AND CONVERTER UNITSDis t r ibu to rs and Dealers wil l be aware t h a t to da te warranty

fo r Borg-Warner conver te r s and t ransmission uni t s has been l imi tedby Borg-Warner Limited to s i x months o r 6,000 miles , bu t concess io nshave, in f a c t , been given beyond t h i s spec i f ied per iod in l i n e w iththe s t andard s ix months warranty given by Jaguar Cars Limi ted .Please no te t h a t by agreement wi th Borg-Warner Limited as

from the l s t Ju ly , 1961 it w i l l be poss ib le to provide improvedwarranty condi t ions fo r Borg-Warner conver ters and t r ansmiss ions ,fo r which s i mi l a r warranty to t h a t cover ing Jaguar cars w i l l be givewith the except ion t h a t warranty terms w i l l be extended where t roub li s exper ienced with a conver te r o r t r ansmiss ion u n i t on a c a r over smonths bu t not exceeding 12 months old , providing the mileage does nexceed 12,000.


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JAGUAR SERVICE BULLETINNumber FF. 4.Section Automatic

Transmiss ionSheet l (o f 1)Date August , 1961.

MODIFIED INTERMEDIATE SPEED HOLD AND aEAR PUMP

l lodels a f f ec t ed

3 .4 l i t r e Mark 2 Automatic Transmission3 .8 litre Mark 2 Automatic Transmission

Commencing Chass is NumbersR.H.Drive

155965205364

L.H .Drive177804217573

On ears with the above chass i s numbers and onwards th e r ea rpump honsing i s modif ied . The in te rmedia te speed hold so leno idplunger i s now conta ined with in the rea r pump housing and not in anex t erna l tube as shown in F i g . 30, P a ge S . 48 o f the Automatic Tran s-mi ss io n Se rv ice Manua l Suppl ement .

This mod i f i c a t i o n render s ce r t a in of the r ea r pump andin t e rmedia te speed bo ld p a r t s non-interchangeable .

For the p a r t s breakd own of t h i s mod i f i c a t i o n see SparesBu l l e t i n number E . l l .


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JAGUAR SERVICE BULLETINNumber FF. 5 .Section Automatic

TransmissionS hee t 1 ( o f 1 )Date February , 1962

KAINSHAFT RECONDITIONING SERVICE(Al l models f i t t ed with Automatic Transmission)

A recondi t ioning scheme fo r Automatic Transmission mainshaf thas been in t roduced.This scheme wi l l apply only to those Mainshaf ts in which the

Lubr i ca t ing Valve has become inopera t ive , t h i s being the usual reasonfo r changing the Yainshaf t . To qua l i fy fo r th e spec ia l exchange pr icapplying to the scheme, a l l r e tu rned Mainshaf ts must sa t i s f y th efo l lowing cond i t ions .

(1) An inopera t ive Lubr icat ing Valve sha l l be th eonly qua l i f i ca t i on fo r a Ma insha f t to par t i c ipa t ein the recond i t io ning scheme.

(2) Mainshaf ts must be f ree from r u s t and undamagedex te rna l ly . Damage caused to a d i sp laced s h a f twhi l s t i n t r a n s i t wi l l r e s u l t in the recondi t ionedShaf t being charged a t f u l l r e t a i l pr i ce . I t i sthere fo re recommended t h a t the d isp laced Mainshaf tsh a l l be re tu rned in the package in which therecond i t ioned Shaf t was suppl ied ,

Recondi t ioned Mainshaf ts are ob ta inab le from Jaguar SparesDiv i s ion to P a r t Number 3631/R. When a recondi t ioned Mainshaf t i sordered , it wi l l i n i t i a l l y be charged a t the fu l l r e t a i l pr ice of 15pending the r e tu rn of the d isp laced Shaf t and subsequent no t i f i ca t i onby th e manufacturers of i t s s u i t a b i l i t y fo r recond i t ion ing . Immediasuch n o t i f i c a t i o n i s rece ived , a Cred i t Note wi l l be i ssued t o ad jus tth e i n i t i a l charge to the exchange pr ice o f 2. 10. 6d.


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JAGUAR SERVICE BULLETINNumber FF .6 .Section Automatic Transmission

Sheet 1 (of 1 )Date April, 1962

SERVO CYLINDER SEALING RING

On a l l Borg Warner automatic transmission units now beingf i t ted to current production models, a copper sealing ring (Part No.9204) i s f i t ted to the servo cylinder bolts . The sealing ring is toprevent o il seepage along the threads of the bolts and is fi t ted betweenthe spring washer and the servo cylinder. The side of the washer withthe smaller hole is f i t ted against the spring washer.

Spares Bulletin number E.15 refers.


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_. JAGUAR SERVICE BULLETINNumber FF. 7 .Section Automatic TransmissionSheet 1. (of 1)Date October, 1962.

MODIFIED MANUAL SELECTOR CABLEModel affected Conunenc ing Chassis Nwnber

R.H.DriveMark 10 301017

Commencing a t the above chass i s numbers a l l R.H.Drive Mark 10aut omatic transmission cars are f i t t ed with a modified se lec to rcable and selector lever control rod bracket. The selector c ablenow has a bal l jo int and col let at the top end, similar to that atthe l owe r e nd .

Provide d both the new c able and se l ec to r rod bracke t are used ,it wil l be poss ible to i nterchange with the previous type of cable.

Th e adjustment of the se leo) or cable wil l not be af fec ted ;however, it is now possible to ad j ust t he cable from in s ide t he carinstead of at the tran smiss i on end.Spares Bulletin No: L.27 refers.

SELECTING P (PARK) WHEN REVERSINGWARNING

(All Automatic Transmission Models)

I t i s pointed out that , due to the reverse rotation of therear pump, the parking pawl hydraulic interlock does not operatein R (Reverse).

I t is , therefore, ESSENTIAL that the P (Park) position i snot selected whilst the car is mov i ng in Reverse other,.;ise theparking pawl may be broken off . Always bring the car to a stop andapply the h a n d ~ r a k e firmly before selecting P.Will Distributors and Dealers please bring th i s matter to thenotice of owners who have automatic tran smission models.


9/23


JAGUAR SERVICE BULLETINNumber FF .8Section Automa t ic Transmiss ionSheet 1 (of 1)Date Octobe r, 1962.

STICKING FORWARD SERVO

Attent i.on i s aga1n drawn to the following symptoms of astic!


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.

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JAGUAR SERVICE BULLETINNumber FF.9.

REVISED FAULT DIAGNOSIS

Section Automatic TransmissioSheet 1 ( of 2 )Date March, 1963.

(Mark 2 and Mark 10 Models)

Recently numerous cases of incorrect diagnosis on the BorgWarner model D.G. transmission have been notic ed, often res ulting ihigh repair costs and considerable loss of customer goodwill. For ease of reference, we have grouped the relevant informin P-N-D-L-R sequence and t his informat io n should be brought to theattention of personnel dealing with these units.

PARK 1) Symptom -CauseAction

Pawl does not hold - - - - - - 7 ~7) Maladjustmentb) Pawl damagea-1) Adjust selector l inkage2) Remove oil pan - adjust actuating rodb) Remove extension case - replace pawlI

2)

NEUTRAL 3)

Symptom -CauseAction

SymptomCauseAction

Pawl does not disengagea) Incorrect procedureb) Linkage maladjustmenta) Follow procedure given on page 5.45 of tAutomatic Transmission Service Manual anthe Operating Handbooks.b) Adjust selector linkageDrives in l s t gear in Neutral, transmissiondrags in RForward servo sticking1) Remove servo and outer piston, polish sebore and piston2) Renew piston l ip seal3) Inspect intermediate plate for burrs ordistortion, ream i f necessary4) Align servo outer cylinder with the aidband adjusting tool

/cont 1 d


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DRIVE 4) Symptom Inoperative in D or any other selectorposition, no leakage, f inal drive O.K.CauseAction

5) Symptom -CauseAction

a) Selector linkage disconnectedb) Main re l ie f valve stuck opena) Reconnect selector linkageb-1) Push car, select D for direct drive a t30 m.p.h. and endeavour to free valveby repeatedly selecting L

b ~ 2 ) Remove o il pan and valve body, free mainre l ie f valve.Slip or rough on take-offFluid level low by more than 2 pints, suspectleakage1) Top up f luid level2) Rectify any leakage immediately3) Check forward band adjustment

6) Symptom - Will not take-off on hi l l s , engine laboursCause - Converter stator freewheel sl ips or collectorring nose piece fractured {l'Milled" off by

7)

8)

9)

dropped converter thrust washer)Action Check s t a l l speed; i f below 1000, renewconverter and/o r col lector ringSymptom No upchanges fr om 1s t gear, possibly speedonot wo r kingCauseAction - Governor and/or valve defective- Remove extension case only, replace damaged

Symptom -Cause

Action

Symptom -Cause

partsUpshift or downshi f t speeds incorrecta) I f regularly below or above normal:accelerator linkage maladjusted, governorbinding on shaft or governor adjusting screw

interfered withb) I f i rregular: governor bushing loose inextension casea) Adjust accelerator linkage or governoradjusting screw to obtain correct shiftspeed figures, suspect governor shaftb) Remove extension case only, f i t oversizebushing i f available, using a press

"Soft" 1-2 shiftMulti disc clutch plates worn, piston ringseizedAction - Remove gearbox only, renew clutch pack, alsoo il seals on front sun gear and inside ringgear extension. Inspect pis t on and r ing.Air pressure check before instal la t ion.

/cont 1d .


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Service Bulletin FF.9. continued sheet 2 (of 2)

10) S y m p t o ~ - Shifts 1-2, misses 2nd gearCause Multi disc clutch inoperative, poss ibly snring dislodgedAction - Remove gearboxdamaged parts.pressure checkonly, renew clutch pack andInspect piston and ring.before installation

11) Symptom - Will not shi f t 2-3 or only when r e l easingCause

Action

acceleratora) 2nd speed hold defectiveb) Transfer tube omitted or incorrectlyinstalledc) High converter pressure, over 120 p.s .in Rd) Direct drive clutch driven plate damageor glazede) Direct drive clutch damper spring(s)fractured - metal paste in o il panf) Governor valve stuck or governor bushinlooseOverhaul 2nd speed hold mechanismRemove gearbox, correctly instal l t rantubeSuspect l ubrication valve obstructed , twith pressure oilcan f i t reconditionedmainshaft i f necessary, also replaceconverte r assemblyI f d ~ drive clutch and converter prnormal and no metal paste or other depi n oi l pan f luid, car may be used withofurther remedial actione) Replace converter, completely str ip gebox and clean thoroughlyf) Verify by direct drive clutch pressure- overhaul extension case12) Symptom - Severe overheating of transmission, fluid maximum speed r educed by 30-50 m.p.h.Cause Converter s tator freewheel seized - do nocar in this condition!Action l) Replace converter

Cause

2) Check gearbox for overheating3) I f overheating was not prolonged, overhgearbox with new rubber seals and 0-rin

/cont ' d


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Action 1) Remove gearbox only, replace forwarddrum and rear sun gear2) Investigate cause of seizure:a) Lubrication valve obstructed ( i f directdrive affected, also replace converterassembly)b) Forward drum overheated by sl ip due toprolonged low f luid level (leakage)c) Forward band dislocated due to strutfouling band

LOW 14) Symptom - Operates only in L, or in D over 30 m.p.h.

REVERSE

Cause - Reverse freewheel fai led or low drum plateAction

15) SymptomCause

Action

16) SymptomCauseAction

17) SymptomCauseAction

dowels dislocatedRemove gearbox only, inspect freewheel andlow drum plate retention; check closed gapof snap r ing.

Will not reverse - engine laboursa) I f nonmal on level road and does not drivei n-N ( i . e . labours on gradient only):converter sta tor freewheel s l ips orcollector ring nose piece fracturedb) I f engine l abours on level road and cardrives forward in N: rorward servo sticking,(see faul t in Neutral) or multi-discclutch seizeda) Replace converter and/or collector ringb) Overhaul forward servo as for faul t 3 -inspect multi disc clutchReverse gear disengages or inoperative -transmission coldRear pump bal l check valve leakingRemove o il pan and valve body, replaceintermediate plate

Operating only in REnd of selector valve bro cen offRemove o il pan and valve body, replaceselector valve

.


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JAGUAR SERVICE BULLETINNumber FF 10 Section Automatic Transmiss ion.

Sheet 1 ( of 1 )Date May, 1963 .

SHIPMENT OF T R A N S ~ U S S I O N UNITS FOR RECONDITIONING .

Al l Dis tr ibutors and Dealers are reminded that they areresponsible for the shipping charges incurred when returning torqueconverters and gear boxes under guarantee to the factory.

Distributors and Dealers are also responsible for the f reigcharges incurred on both outward and inward consignments of converteand gearboxes returned to Borg - Warner for r econdit i oni ng . Thisalso include s import duties , insurance and incidenta l charges.

Shi pment charges will not be accepted by ei ther the TransmiManufacturer or th is Company.


15/23


JAGUAR SERVICE BULLETINNumber FF. 12.Section Automatic Transmission

Sheet 1 ( of 1 )Date June, 1964.

SHELL DONAX T6 AUlThtATIC TRANSMISSION FLUID.(All models)

Future supplies of the Donax T6 Automatic TransmJ..ssionFluid manufactured by Shell may be found to be red in colour.The physical and chemical characteristics of this fluidare similar to the previous type and it is permissible to mix thefluids.


16/23


JAGUAR SERVICE BULLETINNumber FF.12 (2nd is sue)Section Automatic Transmiss ionSheet 1 ( of 1 )Date December, 1964.

This Service Bulletin supersedes the original issue of June, 1964which should be destroyed.SHELL DONAX T6 AUTOMATIC TRANSMISSION FLUID.

(All models )Future supplies of the Donax T6 Automatic TransmissionFluid manufactured by She l l may be found to be red in colour.The physical and chemical characteristic s of this flu i d

are similar to the previous type and i t i s perrrliss ible to mix thetwo fluids .

B.P. AUTOrM.TIC TRANSMISSION FLUID.(All models)

Future suppl ie s of B.P. Automatic Transmission Fluid maybe found to be red in col our.The physical and chemical characterist ics of this fluidare similar to the previous t ype and it is permissibl e to mix the tfluids.


17/23


JAGUAR SERVICE BULLETINNumber FF. 1-1.Section Automatic Transmiss ionSheet 1 ( of 1 )Date June , 1 965 .

PAPER PLATE TORQUE CONVERTER.Model s affected.3.4 l i t re Mark 23.8 l i t re Mark 23.4 'S' Type3.8 'S ' Type

Commencing engine numKJ . 6901LE.206278.355778.55557

A modified automatic transmission unit ( Par t number C.and torque conver te r assembly (Par t number C.2 3447) has been introdin production to give an improved qua l i ty of gear sh i f t .

Th e new transmiss i on unit has a modified convertershutt le reverse valve and three additiona l multi-disc c lutch returnspr ings. The new to rque converter as sembl y has a direc t drive clutwith paper fac ings and an improved Lcchnique i s used in balancing tassembly.To obtH.in the improved gear shi f t the transmission un

and t < ~ r q u e converters must be used i n paired assemblies and not witthe original type of t ransrrti. ssion unit or converter.IMPORTANT.

The previous type torque converter (Part munber c. 1708or C. 10986 ) mus t under no circumstances be f j_ ted to l a tes t typeautomatic t runsmis si on uni t .Iden t i f i cat ion

Both the new automat ic t r ;msm i ssion unit and torqueconverter are identified by a suffix 'p 't af t er t heir respec t iveser ia l numbers. The torque converte r serial munber is stamped on tf la t face o f the conve r te r i nboard of u-.e ring for t he drive plate

Pressures . The nom inal conver ter pressure with t hi s new arrangemei s increased by 5 lb/ in 2 (0, 35 kg/cm2) . -/cont 'd


18/23


Modifying previous type Transmission.On cars pr or to the above numbets the shif t quality canbe improved by f i t t ing the following modified parts to the va lveblock l!'; CONJUNCTION WITH A PAPER PLATE TORQUE CONVERTER (Partnumber C.23447). Unless the t ransmi ss io n unit i s being s t r ipped forother reasons the three additional multi-disc return springs need notbe f i t ted.

P c . ~ r ts required.10271 ( 20-641 3 )C.23447

Conver te r shuttle reverse valveTorque converter (paper plate type).


19/23


JAGUAR SERVICE BULLETINNumber FF .19Section Automatic Transmissio

Page 1 of 1Date Ju l y , 196 8

REAR BAND AUJUSTh1EJYI'Revised f i.gures are now advised for rear band adju stment forthe Model 35 range of Automatic Transmiss ion Uni t s f i t t ed wj th tile

7/16" (11.1 mm.) diru;1eter adjus t i ng sc rews as follow s : -(1) Slacken the locknut and t ighten the band adjusting screw toa torque of lO lb . / f t . (1 .38 kg.m.) , using a torque wrench and

an adaptor.(2) Back o ff the adjust ing s c r e w ~ to !s of ' tu rn and, ho.ldingthe adjusting screw, ti.ghten the locknut with a box spanner.NOTE: These revjsed f igures do NOT apply to the early model 35Transmission uni t with the smaller diameter adjusting screw.


20/23


Bullet in FF. 21 July , 1968 Page 2 of 2When the re ar clutch i s s t r ipped, the clutch pis ton spring sea t

should be checked and i f the two faces are not in l ine within . 02011( .508 nun.) should be discarded and replaced with a par t t ha t i scorrec t to drawing.

This may be obtained from JAGUAR SPARES DIVTSION, COVENTRY,under Par t Number 9806.Due to to lerance stack-ups, it i s extremely unlikely t ha t th is

f au l t would become apparent on transmissions having 3 or 4 plate r earc lutches. However , i f such a uni t i s being str ipped fo r any reason,th is par t should be checked and replaced i f required.

IT IS EMPHASISED THAT 1HERE IS NO SAFETY PROBLEM involved inth is faul t , an d tha t th i s bul le t in i s issued to ass i s t Di s t r ibutorsand Dealers in the diagnosis of any unusual rear clutch fai lure s whichmay occur.


21/23


JAGUAR SERVICE BULLETINNumber FF. 2 lSection Automatic Transmissj o

Page l of 2DateJuly, t9G8

FAULTY REAR CLUfCH SPRTl\'G SEAT(Model 35 and 35F Automatic Transmission Units)

240-340, 3.4-3.8 Litre 'S 1 Type3.4-3.8 Mark 2 (Later car's)

Informat ion has b een recei ved from the Manufacturers or theAutomatic transmi s s i on unit. Lo the e f fec t that some of the allove unhave been b u i l l with n d i mensionally f aul ty rea r c lu tch pi s ton spr iseat .

The f au l t j s best described by reference to the sketches belo

CORRECT INCORRE.CT

The e rrect . of t h i s fau l t i s to r e duce Lhe le ngth in which thec lu tc h sp r ing has to opera te , wh i c h, under adverse to l e rance c.oncli to f a l l the rear c l u Lch compouents, can aJ.low the sp r i.ng to become sbeforl' the t'ear c lu tc h i s ful ly e n g < : ~ g e d .

The syntt.oms o f the rau l are , Lherefore , any or a l l of thef 0 11 OW i l lg : -

1 . Sof t 2 - 3 shi rt.2 . Breakaway on 3 - 2 sh i r t .3 . Juddcr or c l utch squawk .i.n r e v e r ~ e .

It should be r emer:tbered t ha t there are , or course , many otherpossible reasons f or any or a l l of t h e nbove rau l t.s , and careful chsllould be made t h a t a l l other re le vant components arc o pe ra t i ngcor rec t ly .


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JAGUAR SERVICE BULLETINNumber FF.23Section Automatic Transmission

Page 1 of 1Date April, 1 969

AUTOMATIC T R A N S ~ I T S S I O N FLUIDA new f luid for use in Automatic Transmission Units is nowbeing marketed by the various Oil Companies to specification MZC 33F.The new f luid has improved frict ional characterist ics and i sap})roved for use in a ll Automatic Transmission and Power AssistedSteering Units f i t ted to Jaguar cars. The new fluid i s misciblewith the previous Type A Suffix A brand and i t Will therefore notbe necessary to drain units when topping up becomes necessary. I t

i s , o ~ course , preferred that the new M2C 33R f luid should be usedwhenever possible.

The brand names of the new flu id are shown below:-Oil Com2an;y Original Fluid New FluidM>bil Mobilfluid 200 A.T.F.210Castrol Castro T Q . T.Q.F.Shell Donax T.6 Donax T. 7Esso Auto. Trans. fluid Esso GlideB.P. Auto. Trans. Type A Autran BDuckham Nolmatic NolmaticRegent Texamatic fluid Texamatic 6991 Ty


23/23

JAGUAR SERVICE BULLETINNumber FF . 24Section Automatic Transmissio

Page 1 of lDate June, 1969

AUfOMATIC TRAi'lSMISS ION FLUID

Please note a further amendment to the changes of AutomaticTransmission Fluid advised in Service Bulletin FF.23.Messrs. Duckham have modif i ed t hei r product to conf orm tospecification M2C-33F and th is wil l be marketed under the nameQ-MATIC. The new Q-mat ic f luid i s miscible with the previousNolmatic and Distributors and Dea lers ar e r quested to amendBulletin FF.23 accordingly.

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