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.
1990 Jeep Wrangler Laredo, AutomaticFACTORY OEM SERVICE PROCEDURE
Model Coverage & Identification
1990 BODY, ENGINE, FUEL SYSTEM & IGNITION SYSTEM APPLICATIONS
| APPLICATION/MODEL | BODY CODE | ENGINE (1) | ENGINE ID | FUEL SYSTEM | IGNITION SYSTEM | ||
|---|---|---|---|---|---|---|---|
| Cherokee | XJ | 2.5L (HX) | E | TBI | Magnetic | ||
| Cherokee | XJ | 4.OL (XM) | L | PFI | Magnetic | ||
| Comanche | MJ | 2.5L (HX) | E | TBI | Magnetic | ||
| Comanche | MJ | 4.0L (MX) | L | PFI | Magnetic | ||
| Grand Wagoneer | SJ | 5.9L (NX) | 7 | 2-Bbl | Magnetic | ||
| Wagoneer | XJ | 4.0L (MX) | L | PFI | Magnetic | ||
| Wrangler | YJ | 2.5L (HX) | E | TBI | Magnetic | ||
| Wrangler | YJ | 4.2L (CX) | T | 2-Bbl | Magnetic | ||
|
|||||||
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.