radiator DODGE RAM SRT-10 2006 Service Owner's Guide

INSTALLATION
CAUTION: Do not use oil based liquids to clean
timing cover or block surfaces. Use only rubbing
alcohol, along with plastic or wooden scrapers.
Use no wire brushes or abrasive wheels or metal
scrapers, or damage to surfaces could result.
1. Clean timing chain cover and block surface using
rubbing alcohol.
CAUTION: The 4.7L can use a special RTV sealer
instead of a carrier gasket to seal the timing cover
to the engine block, from the factory. For service
repairs, Mopar
Grey Engine RTV must be used as
a substitute, if RTV is present. If the front cover
being used has no provisions for the water pas-
sage o-rings, then Mopar
Grey Engine RTV must
be applied around the water passages.
2. Inspect the water passage o-rings, if equipped for
any damage, and replace as necessary.
3. Apply Mopar
Grey Engine RTV sealer to the front
cover following the path above, using a 3 to 4mm
thick bead.
4. Install cover. Tighten flange head fasteners in
sequence as shown in to 58 Nꞏm (43 ft. lbs.).
5. Install the A/C compressor and generator.
6. Install crankshaft damper (Refer to 9 - ENGINE/
ENGINE BLOCK/VIBRATION DAMPER - INSTAL-
LATION).
7. Install accessory drive belt tensioner assembly.
Tighten fastener to 54 Nꞏm (40 ft. lbs.).
8. Install lower radiator hose.
9. Install both heater hoses.
10. Fill cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
11. Connect the battery negative cable.

TIMING CHAIN & SPROCKETS
REMOVAL
1. Disconnect negative cable from battery.
2. Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
3. Remove right and left cylinder head covers (Refer
to 9 - ENGINE/CYLINDER HEAD/CYLINDER
HEAD COVER(S) - REMOVAL).
4. Remove radiator fan shroud.
5. Rotate engine until timing mark (2) on crankshaft
damper aligns with TDC mark on timing chain
cover (2) (#1 cylinder exhaust stroke) and the cam-
shaft sprocket “V8” marks are at the 12 o’clock
position (1,2).

27. Install power steering pump (Referto19-STEERING/PUMP-INSTALLATION).
28. Install radiator fan shroud.
29. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
30. Connect negative cable to battery.

SHAFT - IDLER
REMOVAL
1. Remove the primary and secondary timing chains and sprockets (Refer to 9- ENGINE/VALVE TIMING/TIMING
BELT/CHAIN AND SPROCKETS - REMOVAL) .
NOTE: To remove the idler shaft, it is necessary to tap threads into the shaft, to install the removal tool.
2. Using a 12 mm X 1.75 tap, cut threads in the idler shaft center bore.
3. Cover the radiator core with a suitable cover.
CAUTION: Use care when removing the idler shaft, Do not strike the radiatorcooling fins with the slide
hammer.
4. Using Special Tool 8517 Slide Hammer, remove the idler shaft.
INSTALLATION
1. Thoroughly clean the idler shaft bore.
2. Position the idler shaft in the bore.
NOTE: The two lubrication holes in the idler shaft do not require any specialalignment.
NOTE: Before using the retaining bolt to install the idler shaft, coat the threads and the pilot on the idler
shaft, with clean engine oil.
3. Using the primary idler sprocket retaining bolt and washer, carefully draw the idler shaft into the bore until fully
seated.
4. Coat the idler shaft with clean engine oil.
5. Install the timing chains and sprockets (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .

Ensurethebatteryiscompletelychargedandtheenginestartermotorisingood operating condition. Otherwise the
indicated compression pressures may not be valid for diagnosis purposes.
1. Clean the spark plug recesses with compressed air.
2. Remove the spark plugs.
3. Disable the fuel system (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY - DESCRIPTION).
4. Remove the ASD relay (Refer to 8 - ELECTRICAL/IGNITION CONTROL/AUTO SHUTDOWNRELAY-
REMOVAL).
5. Insert a compression pressure gauge and rotate the engine with the engine starter motor for three revolutions.
6. Record the compression pressure on the 3rd revolution. Continue the test for the remaining cylinders.
7. (Refer to 9 - ENGINE - SPECIFICATIONS) for the correct engine compression pressures.
DIAGNOSIS AND TESTING - CYLINDERCOMBUSTION PRESSURE LEAKAGE
The combustion pressure leakage test provides an accurate means for determining engine condition.
Combustion pressure leakage testing will detect:
Exhaust and intake valve leaks (improper seating).
Leaks between adjacent cylinders or into water jacket.
Any causes for combustion/compression pressure loss.
1. Check the coolant level and fill as required. DO NOT install the radiatorcap.
2. Start and operate the engine until it attains normal operating temperature, then turn the engine OFF.
3. Remove the spark plugs.
4. Remove the oil filler cap.
5. Remove the air cleaner hose.
6. Calibrate the tester according to the manufacturer’s instructions. The shop air source for testing should maintain
483 kPa (70 psi) minimum, 1,379 kPa (200 psi) maximum and 552 kPa (80 psi) recommended.
7. Perform the test procedures on each cylinder according to the tester manufacturer’s instructions. Set piston of
cylinder to be tested at TDC compression,While testing, listen for pressurized air escaping through the throttle
body, tailpipe and oil filler cap opening. Check for bubbles in the radiator coolant.
All gauge pressure indications should be equal, with no more than 25% leakage.
FOR EXAMPLE:At 552 kPa (80 psi) input pressure, a minimum of 414 kPa (60 psi) should be maintained in the
cylinder.
Refer to CYLINDER COMBUSTION PRESSURE LEAKAGE DIAGNOSIS CHART .
CYLINDER COMBUSTION PRESSURE LEAKAGE DIAGNOSIS CHART
CONDITION POSSIBLE CAUSE CORRECTION
AIR ESCAPES THROUGH
THROTTLE BODYIntake valve bent, burnt, or not
seated properlyInspect valve and valve seat.
Reface or replace, as necessary.
Inspect valve springs. Replace as
necessary.
AIR ESCAPES THROUGH
TAILPIPEExhaust valve bent, burnt, or not
seated properlyInspect valve and valve seat.
Reface or replace, as necessary.
Inspect valve springs. Replace as
necessary.
AIR ESCAPES THROUGH
RADIATORHead gasket leaking or cracked
cylinder head or blockRemove cylinder head and inspect.
Replace defective part
MORE THAN 50% LEAKAGE
FROM ADJACENT CYLINDERSHead gasket leaking or crack in
cylinder head or block between
adjacent cylindersRemove cylinder head and inspect.
Replace gasket, head, or block as
necessary

15. Connect the negative cable(s) to the battery.
16. Start the engine and check for any leaks.
REMOVAL
1. Perform the Fuel System Pressure Release proce-
dure (Refer to 14 - FUEL SYSTEM/FUEL DELIV-
ERY - STANDARD PROCEDURE).
2. Disconnect the battery negative cable.
3. Remove the air cleaner resonator and duct work as
an assembly.
4. Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
5. Remove the viscous fan/drive (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL).
6. Remove the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
7. Remove the fan shroud (3).

8. Remove radiator (1) (Refer to 7 - COOLING/EN-
GINE/RADIATOR - REMOVAL).
9. Remove the upper crossmember and top core
support.
NOTE: It is not necessary to drain A/C system for
engine removal.
10. Remove the A/C compressor (2) with the lines
attached. Secure compressor out of the way.

21. Install the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
22. Install upper radiator support crossmember.
23. Install radiator (1) (Refer to 7 - COOLING/EN-
GINE/RADIATOR - INSTALLATION).
24. Connect the radiator lower hose.
25. Connect the transmission oil cooler lines to the
radiator.

26. Install the fan shroud (3).
27. Install the fan (Refer to 7 - COOLING/ENGINE/
RADIATOR FAN - INSTALLATION).
28. Connect the radiator upper hose.
29. Install the washer bottle.
30. Connect the transmission cooler lines.
31. Install the air cleaner resonator and duct work..
32. Add engine oil to crankcase (Refer to LUBRICA-
TION & MAINTENANCE/FLUID TYPES - SPECI-
FICATIONS).
33. Fill cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
34. Connect battery negative cable.
35. Start engine and inspect for leaks.
36. Road test vehicle.
SPECIFICATIONS
5.7L ENGINE
GENERAL DESCRIPTION
DESCRIPTION SPECIFICATION
Engine Type 90° V-8 OHV
Displacement 5.7 Liters
345 ( Cubic Inches)
Bore 99.5 mm (3.91 in.)
Stroke 90.9 mm (3.58 in.)
Compression Ratio 9.6:1
Firing Order 1-8-4-3-6-5-7-2
Lubrication Pressure Feed - Full Flow
Filtration
Cooling System Liquid Cooled - Forced
Circulation
Cylinder Block Cast Iron
Cylinder Head Aluminum
Crankshaft Nodular Iron
Camshaft Hollow Assembled Camshaft
Pistons Aluminum Alloy
Connecting Rods Powdered Metal
CYLINDER BLOCK

CAMSHAFT
REMOVAL
REMOVAL - CAMSHAFT CORE HOLE PLUG
CAUTION: Do not damage the rear surface of the camshaft or the core plug sealing surface, when removing
the core plug.
1. Remove the rear cam bearing core plug.
REMOVAL - CAMSHAFT
1. Remove the battery negative cable.
2. Remove the air cleaner assembly. (Refer to 9 -
ENGINE/AIR INTAKE SYSTEM - REMOVAL)
3. Drain coolant. (Refer to 7 - COOLING - STAN-
DARD PROCEDURE)
4. Remove the accessory drive belt. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL)
5. Remove the generator.
6. Remove the A/C compressor, and set aside.
7. Remove the radiator (Refer to 7 - COOLING/EN-
GINE/RADIATOR - REMOVAL).
8. Remove intake manifold (Refer to 9 - ENGINE/
MANIFOLDS/INTAKE MANIFOLD - REMOVAL).
9. Remove cylinder head covers (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).