5w-30 for normal conditions, 10w-30 for warm climates.
As 2003 Jeep Liberty uses 5W30 engine oil. It can be synthetic, conventional, or a blend.
3
R134aR134a
5w30
Dot 3
89 octaine or regular works great
Red, 5 year, HOAT type
Red, 5 year, HOAT type. Do not use DEXCOOL.
The turn signal flasher relay on a 2003 jeep Liberty is in the fuse box that is below the glove compartment. Look for a large box type plug in with three prongs inside the fuse box.
Dot 3 (read the side of the fluid container for clarification).
A 2002 Jeep Liberty uses ATF+4.
A 2004 Jeep Liberty uses DOT 3 brake fluid.