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3.0L ENGINE 9 - 71 |
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Fig. 4 Accessories Mounting Brackets
(a)Mark RIGHT insulator on right yoke and engine plate supports. Remove insulator to rails screws.
(b)Remove FRONT engine mount through bolt and nut.
(c)Remove LEFT insulator through bolt from inside wheelhouse or insulator bracket to transmission screws.
(11)Remove engine.
INSTALLATION
(1)Attach hoist and lower engine into engine compartment.
(2)Align engine mounts and install but do not tighten until all mounting bolts have been installed. Tighten bolts to torque specified in (Fig. 2).
(3)Install transmission case to cylinder block, tighten bolts to 102 Nzm (75 ft. lbs.) torque.
(4)Remove engine hoist and transmission holding fixture.
(5)Remove C clamp from torque converter housing. Align flex plate to torque converter and install mounting screws. Tighten to 75 Nzm (55 ft. lbs.)
(6)Install transmission inspection cover.
(7)Connect exhaust system at manifold.
(8)Install starter.
(9)Install power steering pump and air conditioning compressor. For belt installation Refer to Accessory Belt Drive in Cooling System Group 7.
(10)Lower vehicle and connect all vacuum lines.
(11)Connect all electrical connections including ground strap.
(12)Connect fuel lines and accelerator cable.
(13)Install radiator and fan assembly. Connect fan motor electrical lead. Install radiator hoses. Fill cooling system. Refer to Cooling System Group 7 for filling procedure.
(14)Fill engine crankcase with proper oil to correct
level.
(15)Install hood.
(16)Connect battery.
(17)Start engine and run until operating temperature is reached.
(18)Adjust transmission or linkage if necessary.
ACCESSORY DRIVE BELT SERVICE
REMOVAL
(1)Loosen Adjusting Lock Nut (Fig. 6).
(2)Turn adjusting jack screw counterclockwise to reduce belt tension. Remove belt.
(3)Inspect drive belt for wear and damage (Fig. 5).
(4)Installation: Adjust belt tension to 5/16 deflection between pulleys (Fig. 6).
9 - 72 3.0L ENGINE |
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(5)Install breaker bar into 1/2 square opening in tensioner.
(6)Rotate tensioner clockwise to remove and install belt. (Fig. 7).
(2)Remove screws attaching air conditioning compressor mounting bracket and adjustable drive belt tensioner from block and engine mounting bracket. Remove both assemblies.
(3)Remove steering pump/alternator belt tensioner mounting bolt and remove automatic belt tensioner.
Fig. 5 Drive Belt Inspection
Fig. 6 Air Conditioning Belt
Fig. 7 Alternator/Power Steering Belt
ENGINE MOUNT BRACKET
REMOVAL
(1) Remove air conditioning compressor to mounting bracket screws and lay compressor aside (Fig. 4).
Fig. 8 Right Inner Splash ShieldÐTypical
Fig. 9 Crankshaft Drive Pulleys
(4)Remove two steering pump to engine mounting brackets screws and one rear support lock nut.
(5)Lay power steering pump aside.
(6)Raise vehicle and remove right inner splash shield (Fig. 8).
(7)Remove crankshaft drive pulleys and torsional damper (Fig. 9).
(8)Lower vehicle and place a jack under engine.
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3.0L ENGINE 9 - 73 |
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(9)Mark support assembly to engine bracket if assembly is to be used again. Separate engine mount insulator from engine mount bracket (Fig. 10). Raise engine slightly.
(10)Remove engine mount bracket (Fig. 10).
(2)Inspect both sides of the timing belt drive & back. Replace belt if any of the following conditions exist.
²Hardening of back rubber back side is glossy without resilience and leaves no indent when pressed with fingernail.
²Cracks on rubber back.
²Cracks or peeling of canvas.
²Cracks on rib root.
²Cracks on belt sides.
²Missing teeth.
²Abnormal wear of belt sides. The sides are normal if they are sharp as if cut by a knife (Fig. 12).
(3)If none of the above conditions are seen on the belt, the belt cover can be reinstalled.
Fig. 10 Right Engine Mount and Engine Mount
Bracket
(11) Remove timing belt covers (Fig. 11).
Fig. 11 Timing Belt Covers
TIMING BELT INSPECTIONÐIN VEHICLE
(1) Remove the upper front outer timing belt cover by loosening the three attaching bolts. (Fig. 11).
Fig. 12 Timing Belt Inspection
TIMING BELT SERVICE
REMOVAL
(1)Mark belt running direction for installation (Fig. 14).
(2)Loosen timing belt tensioner bolt (Fig. 16) and remove timing belt.
(3)Remove crankshaft sprocket flange shield (Fig.
9).
CAMSHAFT SPROCKETS
REMOVAL
(1)Hold camshaft sprocket with Spanner Tool MB990775 loosen and remove bolt and washer (Fig. 15).
(2)Remove camshaft sprocket from camshaft.
9 - 74 3.0L ENGINE |
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Fig. 13 Timing Belt System
Fig. 14 Timing Belt Engine Sprocket Timing
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INSTALLATION
(1)Place camshaft sprocket on camshaft.
(2)Install bolt and washer to camshaft. Using Spanner Tool MB990775 hold camshaft sprocket and torque bolt to 95 Nzm (70 ft. lbs.) (Fig. 15).
Fig. 15 Camshaft Sprockets
TIMING BELT TENSIONER
Fig. 16 Timing Belt Tensioner
(1) Install timing belt tensioner and tensioner spring.
3.0L ENGINE 9 - 75
(2) Hook spring upper end to water pump pin and lower end to tensioner bracket with hook out (Fig. 16).
Fig. 17 Positioning Belt Tensioner
(3) Turn timing belt tensioner counter-clockwise full travel in adjustment slot and tighten bolt to temporarily hold this position (Fig. 17).
INSTALLATIONÐTIMING BELT
(1)Install timing belt on crankshaft sprocket first and while keeping belt tight on tension side (Fig. 14) install belt on the front (radiator side) camshaft sprocket.
(2)Then, install on the water pump pulley and on the rear camshaft sprocket and finally on the timing belt tensioner.
(3)Apply rotating force to the front camshaft sprocket in opposite direction to tension the belt tension side, check that all timing marks are lined up (Fig. 14).
(4)Install crankshaft sprocket flange (Fig. 12).
(5)Loosen tensioner bolt and allow spring to tension timing belt.
(6)Turn crankshaft two full turns in clockwise direction. Turn smoothly and in clockwise direction ONLY.
(7)Again line up the timing marks on the sprockets and tighten the timing belt tensioner locking bolt to 25 Nzm (250 in. lbs.) torque.
(8)Reassembly belt covers, engine bracket, insulator, crankshaft pulleys, accessories and accessory drive belts in reverse order.