Dodge Nitro. Manual - part 26

Fig. 79: Locating Cylinder Head Access Plugs 
Courtesy of CHRYSLER LLC 

10. Install the cylinder head access plug (1,2). See Fig. 79.  

11. Re-set and install the right side secondary chain tensioner. See INSTALLATION. 

1 - RIGHT CYLINDER HEAD ACCESS PLUG
2 - LEFT CYLINDER HEAD ACCESS PLUG

 

2007 Dodge Nitro R/T 

2007 ENGINE 3.7L - Service Information - Nitro

  

Fig. 80: Special Tool 8429, Camshaft Chain & Crankshaft Timing Gear 
Courtesy of CHRYSLER LLC 

12. Remove the Camshaft Holder 8429. See Fig. 80(1).  

13. Install the timing chain cover. See REMOVAL).  

14. Install the crankshaft damper. See INSTALLATION. Tighten damper bolt 175 N.m (130 Ft. Lbs.).  

15. Install accessory drive belt. Refer to INSTALLATION .  

16. Install the fan shroud. Refer to INSTALLATION . 

1 - SPECIAL TOOL 8429
2 - CAMSHAFT CHAIN
3 - CRANKSHAFT TIMING GEAR

 

2007 Dodge Nitro R/T 

2007 ENGINE 3.7L - Service Information - Nitro

  

17. Install the cylinder head cover. See INSTALLATION).  

18. Install the intake manifold. See INSTALLATION.  

19. Install oil fill housing onto cylinder head.  

20. Refill the cooling system. Refer to STANDARD PROCEDURE .  

21. Raise the vehicle.  

22. Install the exhaust pipe onto the right exhaust manifold.  

23. Lower the vehicle.  

24. Reconnect battery negative cable.  

25. Start the engine and check for leaks.  

CAMSHAFT 

DESCRIPTION 

CAMSHAFT - RIGHT 

The camshafts consist of powdered metal steel lobes which are sinter-bonded to a steel tube. Four bearing 
journals are machined into the camshaft. Camshaft end play is controlled by two thrust walls that border the 
nose piece journal. 

REMOVAL 

CAMSHAFT - RIGHT 

Fig. 81: Camshaft Sprocket V6 Marks 
Courtesy of CHRYSLER LLC 

CAUTION: When the timing chain is removed and the cylinder heads are still 

installed, DO NOT forcefully rotate the camshafts or crankshaft 

 

2007 Dodge Nitro R/T 

2007 ENGINE 3.7L - Service Information - Nitro

  

1. Remove the cylinder head cover. See REMOVAL).  

2. Set engine to TDC cylinder No. 1, camshaft sprocket V6 marks at the 12 o'clock position. See Fig. 81 (1).

3. Mark one link on the secondary timing chain on both sides of the V6 mark on the camshaft sprocket to 

aid in installation. 

Fig. 82: Special Tool 8428 & Camshaft Hole

independently of each other. Severe valve and/or piston damage can 
occur.

CAUTION: When removing the cam sprocket, timing chains or camshaft, Failure to 

use Wedge Locking Tool 8379 will result in hydraulic tensioner ratchet 
over extension, Requiring timing chain cover removal to re-set the 
tensioner ratchet.

 

2007 Dodge Nitro R/T 

2007 ENGINE 3.7L - Service Information - Nitro