Chevrolet Trax: Intake manifold replacement - Installation Procedure

1. Clean the sealing surfaces.

Fig. 38: Intake Manifold

2. Install the intake manifold (1) along with a NEW intake manifold gasket.

Fig. 39: Intake Manifold Bolts

CAUTION: Refer to Fastener Caution .

3. Install the 6 intake manifold bolts (1) and tighten to 20 (15 lb ft).

Fig. 40: Fuel Feed Pipe And Fuel Injector Rail

4. Connect the fuel ventilation pipe (2) to the evaporative emission canister purge solenoid valve.
5. Clip in the fuel ventilation pipe to the retainer clip (1).
6. Connect the fuel feed pipe (4) to the injector rail.
7. Clip in the fuel feed pipe to the retainer clip (1).
8. Connect the brake booster vacuum pipe (3) to the intake manifold.

Fig. 41: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Plug, Intake Manifold And Fuel Injection Rail Retainer Clips

9. Connect the turbocharger wastegate regulator solenoid valve wiring harness plug (3).
10. Clip in the engine control module wiring harness to 2 intake manifold retainer clips (2) and from 2 fuel injection rail retainer clips (1).

Fig. 42: PCV Hose And Wiring Harness Plugs

11. Clip in the engine control module wiring harness to the camshaft cover.
12.  Connect the 4 fuel injector wiring harness plugs (4).
13. Connect the manifold absolute pressure sensor wiring harness plug (1) .
14. Connect the evaporative emission canister purge solenoid valve wiring harness plug (2).
15. Connect the PCV hose (3).

Fig. 43: Throttle Body Wiring Harness Plug

16. Connect the throttle body wiring harness plug (1).
17. Install the charge air cooler outlet air hose to the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement .

Fig. 44: Heater Outlet Hose And ECM Wiring Harness Retainer Clips

18. Clip in the heater outlet hose to retainer clip (1).
19. Clip in the engine control module wiring harness to 2 retainer clips (2).
20. Lower the vehicle.
21. Install the engine cover. Refer to Engine Cover Replacement.
22. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

CAMSHAFT TIMING CHAIN REPLACEMENT

Special Tools

EN-955 Locking Pin

For equivalent regional tools. Refer to Special Tools.

Removal Procedure

1. Remove the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement.

Fig. 45: Timing Chain And Timing Chain Tensioner

NOTE: If EN-955 fixing pin can not be inserted, compress the timing chain tensioner further with the aid of a flat bladed tool to allow complete insertion of the pin.

2. Push the timing chain (2) in direction to the timing chain tensioner (1) and install the EN-955 pin (3).

Fig. 46: Upper Timing Chain Guide And Bolts

3. Remove the two upper timing chain guide bolts (1).
4. Remove the upper timing chain guide (2).

Fig. 47: Timing Chain Guide Right Side

5. Remove the two timing chain guide right side bolts (2).
6. Remove the timing chain guide right side (1).

Fig. 48: Timing Chain Tensioner Shoe And Bolt

7. Remove the timing chain tensioner shoe bolt (2).
8. Remove the timing chain tensioner shoe (1).

Fig. 49: Timing Chain And Crankshaft Sprocket

9. Remove the timing chain (1) and crankshaft sprocket (2) together as a unit.

Fig. 50: Engine Front Cover Gasket

10. Remove the engine front cover gasket (1).

Installation Procedure

1. Clean the engine front cover sealing surfaces on engine block and cylinder head.

Fig. 51: Sealing Compound Application Areas

2. Apply a 2 mm (0.0787 in) bead of RTV sealant the areas shown above (1, 2).

Fig. 52: Engine Front Cover Gasket

3. Install the engine front cover gasket (1).

Fig. 53: Upper Timing Chain Guide And Bolts

4. Install the two upper timing chain guide bolts (1) and tighten to 8 N-m (71 lb in).
5. Install the upper timing chain guide (2).

Fig. 54: Timing Chain And Crankshaft Sprocket

6. Install the timing chain (1) and crankshaft sprocket (2) together as a unit.

Fig. 55: Timing Chain Tensioner Shoe And Bolt

7. Install the timing chain tensioner shoe (1).

CAUTION: Refer to Fastener Caution .

8. Install the timing chain tensioner shoe bolt (2) and tighten to 20 N.m (15 lb ft).

Fig. 56: Timing Chain Guide Right Side

9. Install the timing chain guide right side (1).
10. Install the timing chain guide right side bolts (2) and tighten to 8 N.m (71 lb in).

Fig. 57: Timing Chain And Timing Chain Tensioner

11. Push the timing chain (2) in direction of the timing chain tensioner (1) and remove EN-955 pin (3).
12. Install the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement.

TIMING CHAIN TENSIONER REPLACEMENT

Fig. 58: Timing Chain Tensioner

Timing Chain Tensioner Replacement

HYDRAULIC VALVE LASH ADJUSTER ARM REPLACEMENT

Fig. 59: Hydraulic Valve Lash Adjuster Arms

Hydraulic Valve Lash Adjuster Arm Replacement

HYDRAULIC VALVE LASH ADJUSTER REPLACEMENT

Fig. 60: Hydraulic Valve Lash Adjuster

Hydraulic Valve Lash Adjuster Replacement

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