2006 DODGE RAM SRT-10 Service Repair Manual

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Page 2081 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 5. Hand start bolts No.1 and No.2.
6. Loosely install A/C compressor mounting bracket.
7. Hand start remaining timing chain cover bolts.
8. Torque timing chain cover bolts in the sequence
showninto23N

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DODGE RAM SRT-10 2006 Service Repair Manual 33. Raise and support the vehicle.
34. Connect the hydraulic lines to the fan assembly and steering rack then connect the A/C hose to the fan shroud.
35. Install aNewoil filter.
36. Lower the vehicle.

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DODGE RAM SRT-10 2006 Service Repair Manual TIMING CHAIN AND SPROCKETS
REMOVAL
TIMING CHAIN AND CAMSHAFT SPROCKET REMOVAL
1. Remove timing chain cover (Refer to 9 - ENGINE/
VALVE TIMING/TIMING CHAIN COVER -
REMOVAL).
2. Rotate crankshaft until

Page 2084 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 2. Using Special Tools 9056 (1) and 5048 (2 and 3),
remove crankshaft sprocket.
INSTALLATION
CRANKSHAFT SPROCKET INSTALLATION
1. Position a new crankshaft sprocket on the crank-
shaft with timing mark

Page 2085 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual TIMING CHAIN ANDCAMSHAFT SPROCKET INSTALLATION
1. Rotate the crankshaft sprocket so the timing mark
is at the 12 O’clock position.
2. Place the timing chain around the camshaft
sprocket and place th

Page 2086 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual LUBRICATION
DESCRIPTION
The engine lubrication system is a full-flow filtration pressure feed type.
OPERATION
Engine oil stored in the oil pan is taken in and discharged by an internal geartypeoilpump

LUBRICATION
DESCRIPTION
The engine lubrication system is a full-flow filtration pressure feed type.
OPERATION
Engine oil stored in the oil pan is taken in and discharged by an internal geartypeoilpump,whichisdrivenbythe
crankshaft. A pressure relief valve is located in the timing chain case cover; it regulates oil pressure. The oil is
pumped through an oil filter and feeds a main oil gallery. Also, oil is routedtoanexternaloilcooler.Themainoil
gallery feeds oil under pressure to the main bearings, connecting rod bearings, and camshaft bearings. Passages in
the cylinder block feed oil to the hydraulic lifters. The oil then flows through hollow pushrods, which feed the rocker
arm pivots.
DIAGNOSIS AND TESTING
CHECKING ENGINE OIL PRESSURE
1. Remove oil pressure sensor (Refer to 9 - ENGINE/LUBRICATION/OIL PRESSURE SENSOR - REMOVAL).
2. Install oil pressure gauge.
3. Warm engine at high idle until thermostat opens.
CAUTION: If oil pressure is 0 at idle, Do Not Run engine at 3000 RPM.
4. Oil pressure should be 68.9 kPa (10 psi) at idle or 310 - 517 kPa (45 - 75 psi)at 3000 RPM.
5. If oil pressure is 0 at idle, shut off engine. Check for a clogged oil pick-up screen or a pressure relief valve stuck
open.
ENGINE OIL LEAK
Begin with a thorough visual inspection of the engine, particularly at thearea of the suspected leak. If an oil leak
source is not readily identifiable, thefollowingstepsshouldbefollowed:
1. Do not clean or degrease the engine at this time because some solvents maycause rubber to swell, temporarily
stopping the leak.
2. Add an oil soluble dye (use as recommended by manufacturer). Start the engine and let idle for approximately 15
minutes. Check the oil dipstick to make sure the dye is thoroughly mixed as indicated with a bright yellow color
under a black light.
3. Using a black light, inspect the entire engine for fluorescent dye, particularly at the suspected area of oil leak. If
the oil leak is found and identified, repair per service manual instructions.
4. If dye is not observed, drive the vehicle at various speeds for approximately 24 km (15 miles), and repeat inspec-
tion.If the oil leak source is not positively identified at this time, proceed with the air leak detection test
method.
Air Leak Detection Test Method
1. Remove the PCV valve from the IAFM. Cap or plug the PCV valve grommet.
2. Attach an air hose with pressure gauge and regulator to the dipstick tube.
CAUTION: Do not subject the engine assembly to more than 20.6 kPa (3 PSI) of test pressure.
3. Gradually apply air pressure from 6.89 - 17.23 kPa (1 - 2.5 psi) maximum while applying soapy water at the
suspected source. Adjust the regulator to the suitable test pressure thatprovide the best bubbles which will pin-
point the leak source. If the oil leak is detected and identified, repair per service manual procedures.
4. If the leakage occurs at the rear oil seal area, refer to the section, Inspection for Rear Seal Area Leak.
5. If no leaks are detected, turn off the air supply and remove the air hose and all plugs and caps. Install the PCV
valve.
6. Clean the oil off the suspect oil leak area using a suitable solvent. Drive the vehicle at various speeds approx-
imately 24 km (15 miles). Inspect the engine for signs of an oil leak by usinga black light.

Page 2087 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INSPECTION FOR REAR SEAL AREA LEAKS
Since it is sometimes difficult to determine the source of an oil leak in therear seal area of the engine, a more
involved inspection is necessary. The following st

Page 2088 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual OIL
STANDARD PROCEDURE
CHECKING ENGINE OIL LEVEL
The best time to check engine oil level is after the
vehicle has sat overnight. If the engine has been run-
ning, allow the engine to be shut off for a

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