2003 Pontiac Sunfire AutomaticFACTORY OEM SERVICE PROCEDURE

Engine Controls - Service & Adjustment Specifications: Capacities

FLUID CAPACITY (CRANKCASE) (1)

Application (2) Quantity - Qts. (L)
All Models 5.0 (4.8)
(1) Fluid capacities listed are approximate. Always fill to FULL mark.
(2) Includes oil filter capacity.
FLUID CAPACITY (COOLING SYSTEM) (1)

Application (2) Quantity - Qts. (L)
All Models 8.6 (8.2)
(1) Fluid capacities listed are approximate. Always fill to FULL mark.
(2) Includes heater. Use 50/50 mixture of clean, drinkable water and use only GM Goodwrench(R) DEX-COOL(R) or Havoline(R) DEX-COOL(R) coolant.
FLUID CAPACITY (AUTOMATIC TRANSAXLE) (1)

Application (2) Quantity - Qts. (L)
4T40-E (MN4)
Bottom Pan Removal 6.9 (6.4)
Complete Overhaul 9.5 (9.0)
Dry 12.9 (12.2)
(1) Fluid capacities listed are approximate. Always fill to FULL mark.
(2) Unless otherwise specified, use Dexron(R)-III transmission fluid.
FLUID CAPACITY (MANUAL TRANSAXLE) (1)

Application Quantity - Qts. (L)
M86 (2) 1.8 (1.7)
(1) Fluid capacities listed are approximate. Always fill to FULL mark.
(2) Use Dexron(R) III transmission fluid.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.