Escalade, Suburban 1500 & 2500, Tahoe, Yukon, Yukon XL 1500 & 2500 (2006-2007), Yukon Denali and Yukon Denali XL (2005-2006)

Gasoline Engine Tune-Up Specifications

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GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTATIn.Ex.
2006V4.80.06055-62 -----HYDHYD
  T5.30.06055-62 -----HYDHYD
  Z5.30.06055-62 -----HYDHYD
  U6.00.06055-62 -----HYDHYD
  N6.00.06055-62 -----HYDHYD
  G8.10.06055-62 -----HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Ignition timing is preset and cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the Powertrain Control Module (PCM)
GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine ID/VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
          MTATMTATIn.Ex.
2007C4.80.04050-60 -----HYDHYD
  05.30.04050-60 -----HYDHYD
  J5.30.04050-60 -----HYDHYD
  35.30.04050-60 -----HYDHYD
  Y6.00.04050-60 -----HYDHYD
  K6.00.04050-60 -----HYDHYD
  86.20.04050-60 -----HYDHYD
1NOTE: The Vehicle Emission Control Information label often reflects specification changes made during production.
2- Ignition timing is preset and cannot be adjusted
3- With key ON and engine OFF
4- Idle speed is maintained by the Powertrain Control Module (PCM)
 
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