Lotus Elise S1 Service Notes page 506

Section XA
Fitting Procedure
1.
Replace the oil filter housing on the engine with the new housing which incorporates feed and return ports
for the oil cooler hoses. Transfer the oil filter canister. Fit the new blanking plug into the tapped hole in
the top of the housing. Using a thread sealant, screw the new adaptor elbow into the tapped hole on the
underside of the housing, and from the old filter housing, transfer the brown bodied oil pressure switch
into the elbow. Note: i) If a new VHPD engine is being fitted, tie back the unused black coloured harness
connector (oil pressure gauge transducer), ii) If the old oil pressure switch is the later, post Jan.'98 parallel
thread type, the earlier type tapered thread switch must be ordered and fitted - A111E6099S.
2.
Remove the front clamshell and undertray. Mark up and cut the air inlet holes in the floor of the crash
structure as shown in the diagram, and also the hose routing holes in the RH side of the structure. Fit
grommets into the hose routing holes.
Air inlet holes in
crash structurefloor
83 mm diameter holes
140
140
I
CM
O)
Cooler hose holes in
crash structure RH side
Towing strut fixing holes
30 mm holes for cooler hoses
6.5 mm holes
(oil cooler mounting bracket)
Undertray front fixing
mo
3. Remove the lower centre three fasteners for the radiator air intake grille, and fit the oil cooler air intake
duct to the underside of the crash structure using the two fixings a the bottom of the towing eye strut. Rifit
the grille fixings. Apply foam strips to each bottom flange of the duct.
4. Fit the oil cooler radiator to its mounting channel using the two thin head screws, and position the assembly
beneath the crash structure, against the rear end of the intake duct. Mark up and drill two M6 clearance
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