Honda Acura NSX 1991, Service Manual

Page: 62 / 1420

Engine Removal/Installation
l Make sure jacks and safety stands are placed proper
and hoist brackets are attached to the correct
positions on the engine Section
Make sure the car will not roll off stands and fail
while you are working under it.
CAUTION:
l Use front and rear fender covers to avoid damaging
painted surfaces.
l
Unspecified items are common for the M/T cars, A/T
cars, and the AIC equipped cars.
l Unplug the wiring connectors carefully while holding
the coupler and the connector portion to avoid
damage.
l Mark all wiring and hoses to avoid mis-connection.
Also, be sure that they do not contact other wiring or
hoses or interference with other parts.
l If the ground clearance should be retained, use a
scissors jack and install the rubber spacers to the coil
springs (page l-6).
Put rubber pads under the jacking points when using
jacks or safety stands to avoid damaging body (page
l-7, I-81.
1 . Move the seat bottoms and backs as far forward as
they will go.
2. Disconnect the battery negative terminal first, then
the positive terminal.
3. Remove the expansion tank cap to speed draining.
Use care when removing the expan-
sion tank cap to avoid scalding by hot coolant or
steam.
4. Raise the hoist to full height.
5. Drain the coolant (See Section
l
Loosen the drain plug from the radiator lower
tank.
l
Remove two drain bolts from the water pipes
Reinstall the drain bolts with new washers.
l
Loosen the front and rear engine drain bolts to
drain coolant from cylinder heads. Connect rub-
ber hoses to the drain bolts for easy operation.
6. Drain transmission oil/fluid. Use a drive
socket wrench to remove the drain plug. Reinstall
the drain plug using a new washer.
7. Drain the engine oil. Reinstall the drain plug using a
new washer.
8. Lower the hoist.
9. Remove the rear hatch (See Section
10. Remove the engine cover (See Section 20).
11. Remove the rear hatch scoop (See Section
I
12. Remove the strut bar.
STRUT BAR
x 1.25 mm
39 (3.9 kg-m,
CAP
28
: CORROSION RESISTANT BOLT
5-19