Removal - Acura 3.5 RL Manual

Cylinder Heads

Removal

Make sure jacks and safety stands are
placed properly and hoist brackets are attached to the
correct positions on the engine.
CAUTION:
Use fender covers to avoid damaging painted sur-
faces.
Unplug the wiring connectors carefully while holding
the connector portion to avoid damage.
To avoid damaging the cylinder head, wait until the
engine coolant temperature drops below 100°F (38°C)
before loosening the retaining bolts.
NOTE:
Unspecified items are common.
Mark all wiring and hoses to avoid misconnection.
Also, be sure that they do not contact other wiring or
hoses or interfere with other parts.
Inspect the timing belt before removing the cylinder
head.
Turn the crankshaft pulley so that the No. 1 piston is
at top dead center (TDC).
Do the PCM Memory Setting after reconnecting the
battery (see section
1. Remove the support struts from the hood. Fix the
hood in a vertical position, then reinstall the sup-
port struts by using 6 x 1.0 mm bolts (see page 5-3).
2. Make sure you have the anti-theft code for the radio,
then write down the frequencies for the radio's pre-
set buttons.
3. Disconnect the battery negative terminal first, then
the positive terminal.
4. Drain the engine coolant (see page 10-5).
5. Remove the strut brace (see page 5-3).
6. Remove the engine cover (see page 5-3).
7. Remove the intake air duct and air cleaner housing
assembly (see page 5-4).
11).
8. Remove the throttle cover (see page 5-4).
9. Remove the throttle cable and cruise control cable
by loosening the locknuts, then slip the cable ends
out of the accelerator linkage (see page 5-4).
NOTE:
Take care not to bend the cable when removing
it. Always replace any kinked cable with a new
one.
Adjust the throttle cable when installing (see
section 11).
Adjust the cruise control cable when installing
(see section 23).
10. Remove the upper radiator hose and water bypass
hose.
WATER BYPASS
HOSE
11. Raise the coolant reservoir, then remove the battery
and battery base.
BATTERY
BASE
UPPER RADIATOR
HOSE
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)