Duct SUBARU TRIBECA 2009 1.G Service Service Manual

ME(H6DO)-20
General Description
MECHANICAL
2. GENERAL TOOL
E: PROCEDURE
It is possible to conduct the following service procedures with engine on vehicle, however, the procedures
described in this section are based on the condition that the engine is removed from vehicle.
•Camshaft
•Cylinder head
18471AA000 FUEL PIPE
ADAPTER
Used for measuring fuel pressure.
42075AG690 FUEL HOSE Used for measuring fuel pressure.
This is a genuine Subaru part.
TOOL NAME REMARKS
Compression gauge Used for measuring compression.
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS

ME(H6DO)-27
Valve Clearance
MECHANICAL
8. Valve Clearance
A: INSPECTION
Inspection and adjustment of valve clearance
should be performed while engine is cold.
1) Set the vehicle on a lift.
2) Remove the collector cover.
3) Disconnect the ground cable from battery.
4) Lift-up the vehicle.
5) Remove the under cover.
6) Lower the vehicle.
7) When inspecting RH side cylinders:
(1) Remove the air intake duct and air cleaner
case. take Duct.> Air Cleaner Case.>
(2) Remove the fuel tank protector (RH).
(3) Disconnect the connector of oil pressure
switch.
(4) Remove the ignition coil. IG(H6DO)-7, REMOVAL, Ignition Coil & Ignitor
Assembly.>
(5) Remove the rocker cover (RH).
8) When inspecting LH side cylinders:
(1) Disconnect the battery cable, and then re-
move the battery and battery carrier.
(2) Disconnect the PCV hose and blow-by hose
from rocker cover (LH).
(3) Remove the fuel pipe protector (LH).
(4) Remove the ignition coil. IG(H6DO)-7, REMOVAL, Ignition Coil & Ignitor
Assembly.>
(5) Remove the rocker cover (LH).
9) Turn the crankshaft clockwise until the cam is
set to position shown in the figure.
FU-02119
ME-00460
(1) Valve clearance (Intake side)
(2) Valve clearance (Exhaust side)
(3) High lift cam
(4) Low lift cam
FU-02117
ME-02565
(4)(3)(3)(4)
(1)
(2)
(1)
(2)
(23 )(23 )

ME(H6DO)-32
Engine Assembly
MECHANICAL
10.Engine Assembly
A: REMOVAL
1) Set the vehicle on a lift.
2) Change the bolt mounting position from (A) to
(B), then completely open the front hood.
3) Remove the collector cover.
4) Collect the refrigerant from A/C system. AC-20, PROCEDURE, Refrigerant Recovery Pro-
cedure.>
5) Release the fuel pressure.
PRESSURE, PROCEDURE, Fuel.>
6) Remove the battery from vehicle. SC(H6DO)-25, REMOVAL, Battery.>
7) Remove the air intake duct, air cleaner case and
air intake chamber.

Case.> take Chamber.>
8) Remove the engine front cover.
9) Remove the radiator from the vehicle. CO(H6DO)-15, REMOVAL, Radiator.>
NOTE:
Protect the condenser so that it will not be dam-
aged.
10) Remove the fuel hose bracket.
11) Remove the V-belts. REMOVAL, V-belt.>
12) Disconnect the A/C pressure hoses from A/C
compressor. Tube.>
13) Remove the engine ground terminal.
14) Disconnect the following connector.
(1) Engine harness connectors
(2) Generator connector, terminal and A/C
compressor connector
(3) Power steering switch connector
ME-02652
(A)
(B)
CO-02176
ME-02653
ME-00476
ME-02654

ME(H6DO)-38
Engine Assembly
MECHANICAL
20) Install the reservoir tank.
Tightening torque:
33 N·m (3.4 kgf-m, 24.3 ft-lb)
21) Connect the following hoses.
(1) Fuel delivery hose and evaporation hose
(2) Heater inlet and outlet hoses
(3) Brake booster vacuum hose
22) Connect the following connectors.
(1) Engine harness connectors
(2) Generator connector and terminal
(3) A/C compressor connector
(4) Power steering switch connector
23) Connect the engine ground terminal.
Tightening torque:
14 N·m (1.4 kgf-m, 10.1 ft-lb)
24) Install the A/C pressure hoses.

25) Install the V-belts. STALLATION, V-belt.>
26) Install the radiator to vehicle. CO(H6DO)-17, INSTALLATION, Radiator.>
27) Install the battery to vehicle. SC(H6DO)-25, REMOVAL, Battery.>
28) Fill engine coolant.
COOLANT, REPLACEMENT, Engine Coolant.>
29) Check the ATF level and replenish it if neces-
sary.
mission Fluid.>
30) Charge the A/C system with refrigerant. to AC-21, PROCEDURE, Refrigerant Charging
Procedure.>
31) Install the engine front cover.
32) Install the air intake duct, air cleaner case and
air intake chamber. LATION, Air Intake Duct.> INSTALLATION, Air Cleaner Case.> IN(H6DO)-6, INSTALLATION, Air Intake Cham-
ber.>
33) Install the collector cover.
34) Change the bolt mounting position from (B) to
(A), then close the front hood.
35) Lower the vehicle from the lift.
C: INSPECTION
1) Check the pipes and hoses are installed firmly.
2) Check the engine coolant and ATF are at speci-
fied levels.
3) Start the engine and check for leaks of fuel, ex-
haust gas, engine coolant, etc. Also check for noise
and vibrations.
ME-02657
ME-02654
ME-00476
ME-02663
(A)
(B)

ME(H6DO)-62
Cylinder Block
MECHANICAL
21.Cylinder Block
A: REMOVAL
NOTE:
Before conducting this procedure, drain the engine
oil completely.
1) Remove the crank pulley. 41, REMOVAL, Crank Pulley.>
2) Remove the front chain cover. ME(H6DO)-42, REMOVAL, Front Chain Cover.>
3) Remove the timing chain assembly.
Assembly.>
4) Remove the cam sprocket.
et.>
5) Remove the crank sprocket.
et.>
6) Remove the rear chain cover.
Cover.>
7) Remove the camshaft. REMOVAL, Camshaft.>
8) Remove the cylinder head. 57, REMOVAL, Cylinder Head.>
9) Remove the drive plate.
Using the ST, lock the crankshaft.
ST 498497100 CRANKSHAFT STOPPER
10) Remove the crankshaft position sensor plate.
11) Remove the crankshaft position sensor brack-
et.
12) Rotate the engine to set oil pan upper.
13) Remove the bolts which secure oil pan lower to
oil pan upper.
14) Insert an oil pan cutter blade between cylinder
block-to-oil pan clearance and remove the oil pan.
CAUTION:
Do not use a screwdriver or similar tools in
place of oil pan cutter.
15) Remove the oil strainer.
ME-02664
ST
ME-00558
ME-00559
ME-00560
LU-02108

ME(H6DO)-84
Engine Trouble in General
MECHANICAL
3) Initial combustion occurs. Engine control system A
Intake system Defective intake manifold gasket B
Defective throttle body gasket B
Fuel line Defective fuel pump and relay C
Clogged fuel line C
Lack of or insufficient fuel B
Chain Trouble B
Defective timing B
Compression Incorrect valve clearance C
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing B
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
4) Engine stalls after initial
combustion.
Engine control system A
Intake system Loosened or cracked intake duct B
Loosened or cracked PCV hose C
Loosened or cracked vacuum hose C
Defective intake manifold gasket B
Defective throttle body gasket B
Dirty air cleaner element C
Fuel line Clogged fuel line C
Lack of or insufficient fuel B
Chain Trouble B
Defective timing B
Compression Incorrect valve clearance C
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing B
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-85
Engine Trouble in General
MECHANICAL
2. Rough idle and engine
stall
Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose A
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve C
Loosened oil filler cap B
Dirty air cleaner element C
Fuel line Defective fuel pump and relay C
Clogged fuel line C
Lack of or insufficient fuel B
Chain Defective timing C
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket B
Loosened cylinder head bolt or defective gasket B
Improper valve sealing B
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston B
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Lubrication system Incorrect oil pressure B
Defective rocker cover gasket C
Cooling system Over-heating C
Others Evaporative emission control system malfunction A
Stuck or damaged throttle valve B
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-86
Engine Trouble in General
MECHANICAL
3. Low output, hesitation and
poor acceleration
Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose B
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve B
Loosened oil filler cap B
Dirty air cleaner element A
Fuel line Defective fuel pump and relay B
Clogged fuel line B
Lack of or insufficient fuel C
Chain Defective timing B
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket B
Loosened cylinder head bolt or defective gasket B
Improper valve sealing B
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Lubrication system Incorrect oil pressure B
Cooling system Over-heating C
Over-cooling C
Others Evaporative emission control system malfunction A
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-87
Engine Trouble in General
MECHANICAL
4. Surging Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose A
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve B
Loosened oil filler cap B
Dirty air cleaner element B
Fuel line Defective fuel pump and relay B
Clogged fuel line B
Lack of or insufficient fuel C
Chain Defective timing B
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing C
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Cooling system Over-heating B
Others Evaporative emission control system malfunction C
5. Engine does not return to
idle.
Engine control system A
Intake system Loosened or cracked vacuum hose A
Others Stuck or damaged throttle valve A
6. Dieseling (Run-on) Engine control system A
Cooling system Over-heating B
Others Evaporative emission control system malfunction B
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-88
Engine Trouble in General
MECHANICAL
7. After burning in exhaust
system
Engine control system A
Intake system Loosened or cracked intake duct C
Loosened or cracked PCV hose C
Loosened or cracked vacuum hose B
Defective PCV valve B
Loosened oil filler cap C
Chain Defective timing B
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing B
Defective valve stem C
Wor n or broken valve spr ing C
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing A
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Lubrication system Incorrect oil pressure C
Cooling system Over-cooling C
Others Evaporative emission control system malfunction C
8. Knocking Engine control system A
Intake system Loosened oil filler cap B
Chain Defective timing B
Compression Incorrect valve clearance C
Incorrect valve timing B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Cooling system Over-heating A
9. Excessive engine oil con-
sumption
Intake system Loosened or cracked PCV hose A
Defective PCV valve B
Loosened oil filler cap C
Compression Defective valve stem A
Wor n or stuck piston r ings, cylinder and piston A
Lubrication system Loosened oil pump attaching bolts and defective gas-
ket
B
Defective oil filter o-ring B
Defective crankshaft oil seal B
Defective rocker cover gasket B
Loosened oil drain plug or defective gasket B
Loosened oil pan fitting bolts or defective oil pan B
Symptom Problem parts etc. Possible cause RANK