Automatic transmission - transmission components

Rebuilt or Repaired Transmission Assemblies
Unlike manual gearboxes, Somerford Mini do not offer a rebuild and repair service for automatic transmissions, other than for superficial repairs which do
not involve the internal workings of the transmission. This is due to the very complex nature both of the work involved and the equipment required to carry
out the work.
We advise customers who require rebuilds or repairs to deal directly with an automatic transmission specialist - we can point you in the right direction
towards a reputable specialist, if required. We should also mention at this point that we carry out automatic to manual power unit transplants in our
workshops. Automatic engines are unique and will not fit a manual gearbox, so if a Mini is to be converted to manual gearbox the whole lot has to be
changed. This apparently drastic measure doesn't have to be too expensive if good secondhand components are selected, and it frequently represents a
very cost-effective way to get your Mini back up and running when otherwise faced with a huge bill for automatic transmission repair.

As a result, we do not attempt to hold comprehensive stocks of internal components for automatic transmissions (as the following page will show).
Instead we limit ourselves to parts which by our own experience we consider may be fitted successfully by our customers - and even then, sometimes only
by the more experienced ones. As always, though, if there's anything else you require, please contact us and if it's available we will obtain it for you.

Differential Housing Attachment
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
1	22A1012	GASKET, transmission case to differential cover, upper	1	1965-73; transmissions with 'Hardy Spicer' drive shafts.
	GUG705571GM	GASKET, transmission case to differential cover, upper	1	1973 on; transmissions with 'pot joint' drive shafts.
2	22A1011	GASKET, transmission case to differential cover, lower	1	1965-73; transmissions with 'Hardy Spicer' drive shafts.
	GUG705572GM	GASKET, transmission case to differential cover, lower	1	1973 on; transmissions with 'pot joint' drive shafts.
3	22A153	DOWEL, transmission case to differential cover	2
4	22A691	PEG, oil seal housing	1
5	22A1044	STUD, transmission case to differential cover	1
6	22A1045	STUD, transmission case to differential cover	4
7	22A1046	STUD, transmission case to differential cover	2
8	22A1041	STUD, transmission case to differential cover	1
9	22A1043	STUD, transmission case to differential cover	3
10	FNZ506	NUT	4
11	FNZ505	NUT	7
12	LWZ305	WASHER, locking	7
13	22A690	LOCK TAB, transmission case to differential cover, LH	1
14	22A692	LOCK TAB, transmission case to differential cover, RH	1

Torque Converter Housing Attachment
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
15	22A1689	GASKET, transmission case to housing	1	1965-73; transmissions with 'Hardy Spicer' drive shafts.
	GUG705684GM	GASKET, transmission case to housing	1	1973 on; transmissions with 'pot joint' drive shafts.
16	22A97	DOWEL, transmission case to housing	2
17	53K547	STUD, transmission case to housing, short	6
18	22A963	STUD, transmission case to housing, long	4
19	FNZ505	NUT	10/11	Qty. increases when screw not used.
20	SH505101	SCREW, coarse thread, case to housing	1	If fitted.
21	LWZ305	WASHER, locking	11
22	BH505181	BOLT, coarse thread, case to housing	2	1985 on.
For screws, bolts and washers used to attach the torque converter housing to the cylinder block, please see the 'Automatic Transmission - Torque Converter' section.


Front Cover Attachment
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
23	22A1487	FRONT COVER, transmission	1	1965-92; 848 and 998 models.
24	22A1334	PIPE, valve block to front cover	1	Included in 22A1487 front cover.
25	22A1557	O RING, pipe	1	Included in 22A1487 front cover.
26	DAM5246	FRONT COVER, transmission	1	1992 on; 1275 models.
27	22A1334	PIPE, valve block to front cover	1	Included in DAM5246 front cover.
28	22A1557	O RING, pipe	1	Included in DAM5246 front cover.
29	DAM4775	LEVER, bell crank	1	Included in DAM5246 front cover.
30	DAM3967	PIN, pivot	1	Included in DAM5246 front cover.
31	TYC100110	CIRCLIP, lever to pivot pin	1	Included in DAM5246 front cover.
32	TGY10001	GUARD, inhibitor switch	1	1992 on; 1275 models.
33	SF504041	SCREW, guard to front cover	1	1992 on; 1275 models.
34	GUG705562GM	GASKET, front cover to transmission case	1
35	SH505091	SCREW, coarse thread, cover to case	15	1965-92; 848 and 998 models.
36	LWZ205	WASHER, locking	15	1965-92; 848 and 998 models.
37	DAM7754	SCREW, flanged, cover to case	15	1992 on; 1275 models.
38	BH506221	BOLT, coarse thread, cover to case	2
39	LWZ306	WASHER, locking	2
40	GUG705552GM	GASKET, oil filter head to front cover	1
41	22A1001	O RING, oil filter head to front cover	2	If required.
For the engine oil filter and filter head, please see the engine catalogue pages.

Auxiliary Pump Cover Attachment
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
42	88G498	GASKET, transmission case to pump cover	1	1965-73; transmissions with 'Hardy Spicer' drive shafts.
	GUG705683GM	GASKET, transmission case to pump cover	1	1973 on; transmissions with 'pot joint' drive shafts.
43	22A13	DOWEL, transmission case to pump cover	2
44	CHS2511	STUD, transmission case to pump cover, short	1
45	CHS2512	STUD, transmission case to pump cover, medium	8
46	CHS2516	STUD, transmission case to pump cover, long	2
47	FNZ505	NUT	11
48	LWZ305	WASHER, locking	11

Speedometer Drive
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
49	27H7715	HOUSING, speedometer drive	1	1965-92; 848 and 998 models.
	TJF10001	HOUSING, speedometer drive	1	1992 on; 1275 models.
50	27H7714	GASKET, housing to auxiliary pump cover	1
51	27H7716	SCREW, housing to auxiliary pump cover	2
52	LWZ504	WASHER, shakeproof	2
53	22A1881	PINION, 17 teeth (off white nylon)	1	1965-82; 848 and 998 models with 10" wheels.
	DAM2905	PINION, 16 teeth (green nylon)	1	1982-84; 998 models with 10" wheels.
	TXD10006	PINION, 18 teeth (red nylon)	1	1984-92; 998 models with 12" wheels.
	TNB10003	PINION, 15 teeth (blue nylon)	1	1992 on; 1275 models with 12" wheels.
54	2A3624	BUSH, steel, speedometer pinion	1
55	DAM8488	BUSH, speedometer cable attachment	1
56	2A3628	GASKET, bush	1
57	SH504071	SCREW, coarse thread, bush to housing	1
58	LWZ304	WASHER, locking	1
59	22A862	PLATE, bush retaining	1
60	27H7713	GEAR, drive, 5 teeth (not paint coded)	1	1965-92; 848 and 998 models.
	TNB10006	GEAR, drive, 7 teeth (not paint coded)	1	1992 on; 1275 models.

Cylinder Block Attachment
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
61	GUG106SS	GASKET SET, transmission case to cylinder block	1	1965-96.
	GUG703049SG	GASKET SET, transmission case to cylinder block	1	1997 on (Japan).
62	AHU1959	SEAL, oil, front main bearing cap	1	'Half Moon' seal.
63	LUE10003	O RING, transmission case to cylinder block	1

1965-92, 848 and 998 Models
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
64	12H1824	DOWEL, transmission case to cylinder block	2
65	FHS2409	STUD, transmission case to cylinder block, short	1
	FHS2412	STUD, transmission case to cylinder block, long	5
66	FNZ504	NUT	6
67	LWZ304	WASHER, locking	6
68	SH604071	SCREW, transmission case to cylinder block	6
69	LWZ304	WASHER, locking	6

1992 On, 1275 Models
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
70	22H983	DOWEL, transmission case to cylinder block	1
71	FHS2409	STUD, transmission case to cylinder block, short	5
	FHS2412	STUD, transmission case to cylinder block, long	1
72	FNZ504	NUT	6
73	LWZ304	WASHER, locking	6
74	SH604071	SCREW, transmission case to cylinder block	6
75	LWZ304	WASHER, locking	6
76	BH604141	BOLT, dowel	1
77	12A1150	COLLAR, dowel bolt	1
78	PWZ104	WASHER, plain	1
79	FNZ104	NUT	1

Transmission Components
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
80	AMRK001	MASTER REPAIR KIT, transmission	1	Includes clutch plates, all gaskets, oil seals and sealing washers.
				1965-73; transmissions with 'Hardy Spicer' drive shafts.
	AMRK002	MASTER REPAIR KIT, transmission	1	Includes clutch plates, all gaskets, oil seals and sealing washers.
				1973 on; transmissions with 'pot joint' drive shafts.
81	TMC10006	BRAKE BAND, 2nd and 3rd	2	All models.
	TMC10005	BRAKE BAND, reverse	1	All models.
82	GEG805	GASKET SET, transmission	1	Includes all gaskets, oil seals and sealing washers.
				1965-73; transmissions with 'Hardy Spicer' drive shafts.
	GUG708003TS	GASKET SET, transmission	1	Includes all gaskets, oil seals and sealing washers.
				1973-96; transmissions with 'pot joint' drive shafts.
	GUG708015TS	GASKET SET, transmission	1	Includes all gaskets, oil seals and sealing washers.
				1997 on (Japan).
83	88G302	BEARING, idler gear, 1.004" ext. dia.	1	1965-68; fit with CCN216 circlip.
	13H7848	BEARING, idler gear, 1 1/16" ext. dia.	1	1968-82 approx.; fit with 51K3565 circlip.
	AHU1707	BEARING, idler gear, 1 3/8" ext. dia.	1	1982 approx. on (A Plus gears); fit without circlip.
84	CCN216	CIRCLIP, bearing	1	1965-68.
	51K3565	CIRCLIP, bearing	1	1968-82.
85	DAM7335	PLUG, drain, magnetic	1
86	AED172	WASHER, sealing, drain plug	1
87	22G1679	VALVE, low pressure	1	1965-82.
	DAM4738	VALVE, low pressure	1	1982-85.
	ADU6491	VALVE, low pressure	1	1985 on.
	BAU2303	REPAIR KIT, low pressure valve	1	1985 on.
88	GUG705568GM	GASKET, valve to torque converter housing	1
89	SH504061	SCREW, coarse thread, valve to housing	5
90	LWZ204	WASHER, locking	5
91	22A1570	STRAINER, oil	1
92	22A1565	SEAL, oil strainer to pick up pipe	1
93	22A1171	PIPE, oil pick up	1	1965-73; transmissions with 'Hardy Spicer' drive shafts.
	DAM8344	PIPE, oil pick up	1	1973 on; transmissions with 'pot joint' drive shafts.
94	LUE10003	O RING, pick up pipe	1
95	22G792	PIPE, oil, valve block to adaptor	1
96	AWN107	WASHER, curved, adaptor pipe	1
97	22A1199	SEAL, oil, rubber	1
98	LUE10003	O RING, oil pipe	1
99	DAM9051	CONTROL ASSEMBLY, kickdown	1
100	27H8422	E CLIP, kickdown control bolt	1	Included in kickdown control assembly.
101	27H7738	CLIP, control rod	1	Included in kickdown control assembly.
102	GUG705570GM	GASKET, control to transmission case	1
103	SH504061	SCREW, coarse thread, control to case	2
104	LWZ304	WASHER, locking	2
105	PWZ104	WASHER, plain	2
106	22A975	ROD, valve operating	1	1965-71.
	22A1690	ROD, valve operating	1	1971-92; 848 and 998 models.
	DAM5226	ROD, valve operating	1	1992 on; 1275 models.
107	22A978	SEAL, oil, operating rod	1	1965-71; fit with 22A977 retaining cup.
	13H6585	SEAL, oil, operating rod	1	1971 on; fit with DAM9317 retaining clip.
108	22A977	CUP, seal and fork end gaiter retaining	1	1965-71.
	DAM9317	CLIP, seal retaining	1	1971 on.

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Automatic transmission - transmission components

SCREW-SPEEDO HOUSING TO AUXILLARY PUMP COVER-AUTOMATIC

HOUSING-SPEEDO. DRIVE-AUTOMATIC-850/998cc-'65-'92

GASKET-SPEEDO HOUSING TO AUXILLARY PUMP COVER-AUTOMATIC

WORM-SPEEDO DRIVE-5 TEETH-AUTOMATIC

DOWEL-SOLID,GEARBOX CASE TO BLOCK

PIPE-OIL-VALVE BLOCK TO ADAPTOR-AUTOMATIC

VALVE-LOW PRESSURE-AUTOMATIC-'65-'82

SEAL-LOW PRESSURE VALVE OPERATING ROD-AUTO.-65-71

CUP-SEAL & FORK END GAITER RETAINING-'65-'71

ROD-LOW PRESSURE VALVE OPERATING-AUTO-'65-'71

DOWEL-FLYWHEEL HOUSING TO GEARBOX CASE

STUD-5/16'' UNF & UNC x 2 1/2''

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