Connecting Rod Bearings; Engine Assembly - Lotus TURBO ESPRIT Service Manual

- -
SECTION EA
Page 4
1
0
On
91
2 and Wet Sump 91 0 engines, check underside of the sump by clutch
housing fixings for shim marking '000'
-
no shim, '020'
-
one shim,
'040'
-
two 0.020'' shims. These shims to be fitted between clutch housing
and sump.
Fit sump and tighten fixings to their specified torque loadings (see TECHNICAL
DATA).
3.
Refill the engine with the recommended oil.
NOTE: If
a new sump
i s
to be fitted on a 912 or Wet Sump 91 0 engine, carry out the
following Sump Alignment Procedure
-
.
i)
With the clutch housing fitted to the engine,
fit
the sump to the main
bearing housing, but do not tighten fixings. Pull the sump rearwards,
towards the clutch housing, and measure the clearance between sump
bosses and clutch housing.
0
ii)
If less thanO.O1O" torqueupsumpbolts withsump inrearmost position.
If
clearance i s greater than 0.010", f i t shims at the two fixing points
as follows.
Clearance
-
Shim
0.0'1 0"-0 .030" one 0.020"
0.030"-0 .O5OH two 0.020'' (0.040")
EA .24.
-
CONNECT!
NG
ROD (BIG-END) BEARINGS (Dry Sump Turbo see Section
EA
.
-
28
To Remove
1
.
Remove the sump. (Section
EA
.23.)
2.
Commenciiig with
NO.
1
(from front end) connecting rod, turn the crankshaft to
facil ita te removal of cap. Mark cap and rod.
3.
Release the bolts by two or three turns and tap themto release the cap. Fully
0
release the bolts and remove the cap.
4.
Remove the upper and lower big-end bearing shells from both the connecting
rod and the connecting rod cap.
To Replace
1
.
Replace the upper and lower big-end bearing shells by new parts i n their
appropriate locations.
2.
F i t
the cap to the connecting rod and tighten the bolts to the torque. loading
given i n TECHNICAL DATA.
3.
Replace the remaining big-end bearings by repeating the above process.
4.
Replace the o i l sump assembly.
EA.25.
-
ENGINE
ASSEMBLY
The
engine and gearbox should be removed as a complete assembly.
To Remove
-
Front engined
cars
1
.
Remove the bonnet (see Section
'B').
2.
Dmin the cooling system (see Section
'Kt)
.