Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Mitsubishi Lancer LSFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 4.75 OZS. | 0.14 L | PAG 46 | S | |||
| Air Cond Refrigerant | ES,LS,O-Z Rally | 1.13 LBS. | 0.51 KG | R-134a | S | ||
| Automatic Transmission Fluid | ES,LS,O-Z Rally | 8.10 QTS. | 7.66 L | Automatic Transmission Fluid DIAMOND SP III | S | ||
| Brake Fluid | N/A | N/A | DOT 3 or DOT 4 Brake Fluid | As required. | S | ||
| Engine Coolant | 6.30 QTS. | 5.96 L | 50/50 mixture of Ethylene Glycol Antifreeze and water | Includes: .69 qt. in reserve tank. | S | ||
| Engine Oil | ES,LS,O-Z Rally | w/Filter | 4.02 QTS. | 3.8 L | API - SAE 5W-30 | ILSAC certification symbol or conforming to the API - SJ EC, SJ/CD EC. | S |
| Engine Oil | ES,LS,O-Z Rally | w/o Filter | 3.70 QTS. | 3.5 L | API - SAE 5W-30 | ILSAC certification symbol or conforming to the API - SJ EC, SJ/CD EC. | S |
| Fuel Tank | ES,LS,O-Z Rally | 13.20 GALS. | 49.96 L | S | |||
| Power Steering Fluid | ES,LS,O-Z Rally | 1.10 QTS. | 1.04 L | Automatic Transmission Fluid DIAMOND | S | ||
| Windshield Washer Fluid | ES,LS,O-Z Rally | 4.40 QTS. | 4.16 L | Use commercially-available windshield washer fluid only. | S | ||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.