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.
2021 Jeep Compass TrailhawkFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 3.00 OZS. | 0.08 L | PAG Oil ND12 | S | |||
| Air Cond Refrigerant | w/R-1234yf | 1.06 LBS. | 0.48 KG | R-1234yf | S | ||
| Air Cond Refrigerant | w/R-134a | 1.25 LBS. | 0.56 KG | R-134a | S | ||
| Automatic Transmission Fluid | Trans Mfr CD 948TE | Service Fill | 6.35 QTS. | 6 L | MOPAR ZF 8&9 Speed Automatic Transmission Fluid | The 948TE/9HP48 automatic transmission is a sealed for life design and does not require periodic service. The only time the transmission fluid needs to be checked is when malfunctions occur or evidence of a transmission fluid leak is present. The fluid filter is mounted internally and requires that the transmission be removed from the vehicle and disassembled to replace the filter. The fluid filter has a plastic body filled with polyester filter fleece. | S |
| Brake Fluid | N/A | N/A | MORAR Brake Fluid DOT 3, SAE J1703 | If MOPAR Brake Fluid DOT 3 is not available, then MOPAR Brake Fluid DOT 4, is acceptable. | S | ||
| Differential Gear Oil | Rear Drive Assembly (RDA) | 0.63 QTS. | 0.59 L | MOPAR Rear Axle/RDM Synthetic Axle Lubricant SAE 75W-90 API - GL-5 | S | ||
| Engine Coolant | 6.80 QTS. | 6.43 L | MOPAR Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology) or equivalent meeting the requirements of Chrysler Material Standard MS-12106 | Includes: heater and coolant recovery tank filled to "max" level. | S | ||
| Engine Oil | w/Filter | 5.50 QTS. | 5.2 L | API - SAE 0W-20 | S | ||
| Fuel Tank | 15.90 GALS. | 60.18 L | S | ||||
| Power Steering Fluid | N/A | N/A | MOPAR Automatic Transmission Fluid Plus 4 or equivalent licensed ATF+4 product | If MOPAR Power Steering Fluid +4 is not available, then MOPAR ATF +4 Automatic Transmission Fluid (P/N 05166226AA), is acceptable. | S | ||
| Transfer Case Fluid | Power Transfer Unit (PTU) | 0.42 QTS. | 0.39 L | MOPAR PTU Synthetic Lubrican SAE 75W-90 API - GL-5 | S | ||
| Windshield Washer Fluid | N/A | N/A | Windshield Washer Solvent only | Follow the Manufacturer's Instructions for the mixture ratio. | 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.