Oil Sump - Lotus TURBO ESPRIT Service Manual

Page 40
To Remove (Esprit Turbo)
1
.
Drain the cooling system.
2.
Disconnect throttle and choke cables.
3.
Disconnect fuel pipes from pressure regulator.
4.
Release water hose(s) from inlet manifold or water m i l .
5.
Release vacuum connections from inlet manifold or vacuum rail.
6.
Disconnect diffuser from turbocharger and seal turbo compressor outlet immediately.
7.
Release fuel pressure regulator from plenum chamber. Release evaporative loss
hose from front of plenum, and also electrical
connections
and vacuum pipes as
necessary.
8.
Release heater water transfer pipe from plenum chamber.
9.
Remove manifold to head nuts and washers and remove complete assembly to bench.
To Replace
1
.
Reverse the removal procedure, but use a new gasket. Tighten a l l nuts to the
specified torque loadings (see TECHNICAL DATA).
EA
.23.
-
OIL SUMP (NOT Dry Sump Turbo)
To Remove
On front engined cars i t i s necessary to disconnect the downpipes from the manifold,
release the engine mountings and raise the engine
2
-
3
inches
(5
-
8
cm) to gain
sufficient sump to crossmember clearance.
1.
Using a suitable receptacle, release the drain plug and allow oil to drain from
the sump. Remove the dipstick.
2 .
From around the periphery of the sump, remove the setscrews and nuts with their
plain washers securing the sump to the main bearing housing.
Release the clutch
housing to sump bolts, noting any shim washen fitted,
@
Remove the sump by tilting i t slightly towards the exhaustside of the engine i n order
to clear the o i l strainer and pick up pipe assembly.
To Replace
.
.
-1
.
Thoroughly remove any sludge which may havecollected i n the sump,
BEFORE
replacing the sump.
2.
On
907
engines, use a new gasket with jointing compound applied to both
faces. No gasket i s used on
91 2
engines but Perma Bond A 1 36 (A91 2E6421)
.
.,should,be used i n the following~manner. Apply a
1 .O
-
1
.5
mm bead of
Perma Bond to the joint face on both the sump and main bearing housing,
with the bead passing
to
the inside of the fixing holes. Also, on 91
2
:
. .
.
engines, check that the
.'O1.ring
i s fitted over the dipstick tube inside the
mai n bearing, hous
i
ng,o
I
'