Impreza Brighton Coupe AWD F4-2.2L SOHC (1997)
Valve Clearance: Testing and Inspection
CAUTION: Inspection and adjustment of valve clearance should be performed while engine is cold.
1. Set the vehicle onto the lift.
2. Disconnect battery ground cable.
3. Remove timing belt cover (RH).
4. Remove rocker cover.
When Inspecting # 1 And # 3 Cylinders;
a. Disconnect connector from mass air flow sensor.
b. Loosen clamp which connects air intake duct to air intake chamber.
c. Remove the two clips from air cleaner upper cover.
CAUTION: Before installing air cleaner upper cover, align hole(s) with protruding portions of air cleaner lower case, then secure upper cover.
d. Disconnect blow-by hose from air intake duct.
e. Remove air intake duct and air cleaner upper cover as a unit.
f.
Remove air cleaner element.
g. Disconnect spark plug cords from spark plugs (# 1 and # 3 cylinders).
h. Remove under cover (RH).
i.
Place suitable container under the vehicle.
j.
Disconnect PCV hose from rocker cover (RH).
k. Remove bolts, then remove rocker cover (RH).
When Inspecting # 2 And # 4 Cylinders;
a. Disconnect battery cables, and then remove battery and battery carrier.
b. Disconnect washer motor connectors.
c. Disconnect rear window glass washer hose from washer motor, then plug connection with a suitable cap.
d. Remove the two bolts which holds washer tank, then secure the tank away from working area.