Oil Change

Drain and replace engine oil and oil filter on the 2008 Dodge Viper 8.4L V10, refilling with 11 quarts of 0W-40 full synthetic oil.

Warnings

Tools required

Parts

• Oil drain plug crush washer × 1 — Mopar 6506113AA or equivalent
• Engine oil filter (spin-on) × 1 — Mopar MO-090 or equivalent

Fluids

• 0W-40 full synthetic engine oil — 11 qt

Preparation

1. Park vehicle on level ground and apply parking brake
2. Place wheel chocks behind rear wheels
3. Allow engine to cool for at least 30 minutes if recently operated
4. Gather all tools, new oil filter, crush washer, and 11 quarts of 0W-40 full synthetic oil
5. Raise front of vehicle with floor jack at designated front jacking point
6. Secure vehicle on jack stands placed at appropriate front frame locations
7. Verify vehicle is stable before working underneath

Procedure

1. 1

   Locate oil drain plug and filter
   Position yourself under the front of the vehicle. Locate the oil drain plug on the bottom of the oil pan toward the rear. The spin-on oil filter is mounted on the engine block and is accessible from underneath (verify exact location against factory service documentation for this vehicle).
2. 2

   Position drain pan and remove drain plug
   Position the oil drain pan directly beneath the drain plug, offset slightly toward the rear to catch the initial stream. Using the correct size socket or wrench (verify drain plug size against factory documentation), loosen the drain plug by turning counterclockwise. Remove the plug by hand for the last few turns, pulling away quickly to avoid the oil stream. Allow oil to drain completely, which may take 5-10 minutes given the large capacity.
3. 3

   Remove old crush washer
   Once oil flow has reduced to a slow drip, inspect the drain plug. Remove and discard the old aluminum crush washer from the drain plug. Clean the drain plug threads and sealing surface with a shop towel.
4. 4

   Reinstall drain plug with new washer
   Install the new crush washer onto the drain plug. Thread the drain plug into the oil pan by hand to avoid cross-threading. Once seated, torque the drain plug to specification using a torque wrench. Wipe away any residual oil from around the plug area.
   Torque spec

   Oil Drain Plug35 Nm (26 lb-ft)
5. 5

   Remove old oil filter
   Reposition the drain pan beneath the oil filter. Using an oil filter wrench, turn the oil filter counterclockwise to loosen and remove. Expect some residual oil to drain from the filter and mounting location. Allow to drain completely.
6. 6

   Prepare and install new oil filter
   Clean the oil filter mounting surface on the engine block with a shop towel, removing any old gasket material or debris. Apply a thin film of clean engine oil to the rubber gasket on the new oil filter. Thread the new filter onto the mounting boss by hand, turning clockwise. Once the gasket makes contact with the mounting surface, tighten an additional 3/4 turn by hand. Do not use the filter wrench for installation. Note: Mopar oil filter (verify correct part number for 2008 Viper 8.4L V10 against factory documentation)
   Torque spec

   Oil Filter (Spin-On)20 Nm (15 lb-ft)
7. 7

   Lower vehicle and refill engine oil
   Remove jack stands and carefully lower the vehicle to the ground. Open the hood and locate the oil filler cap on the driver's side valve cover. Remove the filler cap and insert a funnel. Pour in approximately 10.5 quarts of the manufacturer-specified full synthetic oil viscosity initially (verify oil capacity and viscosity grade against the factory service documentation for the 2008 Viper 8.4L V10). Wait 30 seconds for oil to settle.
8. 8

   Check oil level and top off
   Remove the engine oil dipstick, wipe it clean, reinsert fully, and remove again to check the oil level. The level should be between the MIN and MAX marks. Add oil in small increments (0.25 quart at a time) until the level reaches the upper portion of the acceptable range (verify total capacity against factory documentation for the 2008 Viper 8.4L V10). Do not overfill.
9. 9

   Start engine and check for leaks
   Reinstall the oil filler cap securely. Start the engine and allow it to idle for 1-2 minutes. Observe the oil pressure gauge to confirm normal pressure. Immediately check underneath the vehicle for any leaks at the drain plug or oil filter. Shut off the engine if any leaks are detected and address before proceeding.
10. 10

    Final oil level verification
    After the engine has been running for 1-2 minutes, shut it off and wait 5 minutes for oil to drain back into the pan. Check the oil level on the dipstick again. The level should still be in the upper portion of the acceptable range. Adjust if necessary. Reinstall the dipstick fully.

Reassembly

1. No disassembly was required for this procedure

Verification

• Oil level reads in the upper portion of the acceptable range on the dipstick when checked on level ground with engine off
• No oil leaks visible at the drain plug or oil filter after engine has reached operating temperature
• Oil pressure gauge shows normal reading at idle and under acceleration
• Oil filler cap is securely installed and no leaks are present at valve cover

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