Toyota 4-Runner 1985 Repair Manual page 14

MA-4
CORRECT
n
?
Nippondenso
Lfi
MAINTENANCE - Maintenance Operations
WRONG
MA0035
Borroughs
EC0003 EC0004 ECOOOl
MA0038
IG0004
MAINTENANCE OPERATIONS
ENGINE
Cold Engine Operations
1. INSPECT DRIVE BELTS
(a) Visually check the drive belt for cracks, oiliness or
wear. Check that the belt does not touch the bottom
of the pulley groove.
If necessary, replace the drive belt.
(b) Using a belt tension gauge, check the drive belt
tension.
Belt tension gauge:
Nippondenso BTG-20 (95506-00020) or
Borroughs No.BT -33-73F
Drive belt tension: Used belt 80
±
20 Ib
New belt 1 25
±
25 Ib
If necessary, adjust the drive belt tension.
2. REPLACE SPARK PLUGS
(a) Disconnect the spark plug wires at the boot.
DO NOT pull on the wires.
(b) Remove the spark plugs.
(c) Set the gap on the new plugs.
Gap: 0.8 mm (0.031 in.)
Recommended spark plugs:
NO W16EXR-U
NGK BPR5EY