RAM50 Service Manual Volume-2 Page 8-136
8-136 IGNITION SYSTEM-Service Adjustment ProceduresSERVICE ADJUSTMENT PROCEDURES N09G1AB
IGNITION TIMING ADJUSTMENT FOR 2.0L ENGINE Adjustment conditions:
Coolant temperature: 85 - 95~C (185 - 205~F)
Lamps and all accessories: Off
Transmission: N (Neutral) Set Parking Brake
1. Connect tachometer and timing light.
2. Start engine and run at curb idle speed.
Curb idle speed rpm
First 500 km 700 + 150 / - 100
(300 mile)
After 500 km 750 +/- 100
(300 mile)
3. When checking the basic ignition timing at high altitude (altitude of 1200 m (3900 ft.) or more], disconnect the vacuum hose (white stripe) from the sub-vacuum chamber of the distributor and plug the hose end. Cars for 50 states and high altitude cars for 49 states excluding California.
4. Check basic ignition timing and adjust if necessary.
Basic ignition timing: 80 +/- 2~ BTDC
5. To adjust ignition timing, loosen distributor mounting nut and turn distributor housing.
6. After adjustment, securely tighten mounting nut.
7. When checking ignition timing at high altitude, connect the vacuum hose disconnected in Step 3 to the original position before making sure that the ignition timing has been advanced to the actual ignition timing. Advanced to the actual ignition timing. Cars for 50 states and high altitude cars for 49 states excluding California.
Actual ignition timing: 13~ BTDC
Revised on TSB 08-06-87 February 16, 1987
8-136A IGNITION SYSTEM - Service Adjustment Procedures
RAM50 Service Manual Volume-2 Page 8-136
IGNITION TIMING ADJUSTMENT FOR 2.6L ENGINE Adjustment conditions:
Coolant temperature: 85 - 95~C (185 - 205~F)
Lamps and all accessories: Off
Transmission: N (Neutral) Set Parking Brake
1. Connect tachometer and timing light.
2. Start engine and run at curb idle speed.
Curb idle speed rpm
First 500 km 725 + 150 / - 100
(300 mile)
After 500 km 800 +/- 100
(300 mile)
3. When checking the basic ignition timing at high altitude [altitude of 1200 m (3900 ft.) or more], disconnect the vacuum hose (white stripe) from the sub-vacuum chamber of the distributor and plug the hose end. Cars for 50 states and high altitude cars for 49 states excluding California.
4. Check basic ignition timing and adjust if necessary.
Basic ignition timing: 7~ +/- 2~ BTDC
5. To adjust ignition timing, loosen distributor mounting nut and turn distributor housing.
6. After adjustment, securely tighten mounting nut
7. When checking ignition timing at high altitude, connect the vacuum hose disconnected in Step 3 to the original position before making sure that the ignition timing has been advanced to the actual ignition timing. Advanced to the actual ignition timing. Cars for 50 states and high altitude cars for 49 states excluding California.
Actual ignition timing: 12~ BTDC
Revised on TSB 08-06-87 February 16, 1987