TIMING CHAIN TENSIONER
REMOVAL
(1) Disconnect negative battery cable.
CAUTION: Rotate engine at crankshaft only. DO
NOT rotate the engine with the bolt of the camshaft
sprocket. DO NOT rotate the engine counter clock-
wise.
NOTE: Markings on the camshaft and camshaft
bearing cap must be aligned.
(2) Position piston of number 1 cylinder to ignition
TDC.
(3) Partially drain cooling system (Refer to 7 -
COOLING/ENGINE/COOLANT - STANDARD PRO-
CEDURE).
(4) Remove viscous heater.
(5) Remove intake air scoop.
(6) Remove accessory drive belt and idler pulley
above generator (Refer to 7 - COOLING/ACCES-
SORY DRIVE/DRIVE BELTS - REMOVAL).
(7) Remove timing chain tensioner (Fig. 61).
INSTALLATION
NOTE: Carefully clean all mating surfaces with
appropriate solvents to assure that no grease or oil
is present during reassembly.
(1) Install timing chain tensioner with new gasket.
Tighten to 80N·m (59 lbs.ft.).
(2) Install viscous heater.
(3) Install idler pulley and accessory drive belt
(Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE
BELTS - INSTALLATION).
(4) Install intake air scoop.
(5) Reconnect negative battery cable.
(6) Refill coolant system with correct mixture to
proper level (Refer to 7 - COOLING/ENGINE/COOL-
ANT - STANDARD PROCEDURE).
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT PUT YOUR
HANDS NEAR THE PULLEYS, BELTS OR FAN. DO
NOT WEAR LOOSE CLOTHES.
(7) Start the engine and inspect for leaks.
Fig. 61 TIMING CHAIN TENSIONER
1 - TIMING CHAIN TENSIONER
2 - TIMING CHAIN TENSIONER SEAL
WG ENGINE 9a - 57
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