Caterham Seven User Manual download pdf (Page 73)

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6.0) Fitment of gearbox to engine

The following section details the assembly

of the 5 and 6 speed gearbox.

6.1) Assembly of gearbox kit – 5 and 6-

speed.

Both the 5 and 6-speed gearboxes are

interchangeable and utilise all the same

ancillaries. Assembly is identical for both

5 and 6-speed gearboxes with the

exception of the sealing method for bell-

housing to gearbox.

To assemble the gearbox to bell-housing,

proceed as follows:

5-Speed Sigma. Smear the gasket on

both sides with silicone sealant and

position on the bell-housing. Using the

four cap-head bolts (fastener pack

36G006A Item 9) and spring

washers (12), bolt the bell-housing to the

gearbox from the inside. Tighten the bolts

to 47 Nm.

Duratec: Remove the bell-housing from

the engine, smear the gasket with silicone

and position on the bell-housing. Using 4

M12x70 bolts supplied and 4 spring

washers from pack ZGB14 and bolt from

the inside and torque to 47Nm

6-Speed. Apply a thin layer of silicone

sealant to the front face of the gearbox

and to the 'O' ring around the selector rod.

Ensure sealant is applied to the entire 'O'

ring. Using the four cap-head bolts

(fastener pack 36G006A Item 9) and

spring washers (12), bolt the bell-housing

to the gearbox from the inside. Tighten the

bolts to 47 Nm.

Duratec: Do not remove bell-housing,

smear silicone sealant over the O ring and

place around the selector rod. Using 4

M10x35 bolts with spring and plain

washers supplied in the gearbox pack bolt

from the outside and torque to 35Nm.

New 2014 5 speed Caterham gearbox.

Fit the clutch release bearing before the

gearbox

There are no gaskets on this gearbox

either between the gearbox and bell-

housing or the bell-housing and engine.

Bolt the gearbox to the bell-housing using

the 4M12x70 bolts with a plain washer

from the inside. Tighten bolts to 47Nm

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