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ProblemsByVin Checklist / 2018-JEEP-COMPASS

Pre-purchase · Buyer's checklist

2018 Jeep Compass inspection checklist

The 2018 Jeep Compass has 1 critical safety recall and a documented pattern of issues across 6 component categories. Before you sign anything, walk through this list with the seller. Skip nothing — the items below come from 923 owner reports already on file with NHTSA.

1 Verify safety recalls before you drive off

Recall fixes are free regardless of warranty status. Ask the seller for proof — or have the dealer pull the VIN history.

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Compass vehicles — fix: Chrysler will notify owners, and dealers will replace the passenger air bag module assembly, free of charge. The recall began December 28, 2017. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is T73.
NHTSA 17V732000 · severity: critical

2 Inspect the electrical

What to look for: Dim or flickering dash lights at idle, slow window operation, intermittent infotainment glitches, parasitic battery drain (dead battery after a few days parked). (299 owner complaints on this vehicle · typical repair $850 · failures cluster ~29,288 mi)

Battery age sticker — most batteries last 3–5 years
Alternator output at idle (13.8–14.5V is healthy)
All exterior lights: headlights both beams, taillights, brake lights, reverse, blinkers
Every interior switch: power windows, locks, mirrors, sunroof, seats
Infotainment cold-start time and touchscreen responsiveness

On the test drive: Cycle through every electronic accessory during the drive — heated seats, defrosters, climate fan on max, cruise control. Glitches show up under load.

See full electrical report for this vehicle →

3 Inspect the engine

What to look for: Blue smoke on cold start (oil burning), white smoke at temperature (coolant), knock or tick that doesn't go away after warm-up, oil spots under the vehicle. (198 owner complaints on this vehicle · typical repair $3,100 · failures cluster ~27,925 mi)

Oil dipstick — level on the full mark, color amber not black, no milky residue (head gasket sign)
Coolant reservoir — level, no oil film floating, no rust
Spark plug wells (look down with a flashlight) — oil pooled means valve cover gasket
Timing chain or belt service history (interference engines = $1,500+ if it breaks)
Exhaust smoke briefly after a long idle then a rev

On the test drive: Drive until the gauge reaches operating temp, then check temp stability under load on a hill. Surging or temp climbing under load = thermostat or water pump.

See full engine report for this vehicle →

4 Inspect the powertrain

What to look for: Hesitation on takeoff, harsh or delayed shifts, vibration at highway speed, fluid leaks on the driveway under the engine bay or transmission pan. (145 owner complaints on this vehicle · typical repair $2,500 · failures cluster ~28,386 mi)

Transmission fluid color and smell — fresh ATF is red, brown or burnt smell is bad
Engine and transmission mounts (cracks or visible sag)
CV boots front (and rear on AWD) — any tears mean a $300–$800 axle replacement
Driveshaft U-joints and rear differential fluid level on RWD/AWD

On the test drive: Drive 15+ minutes including a freeway on-ramp at full throttle, a steep hill, and stop-and-go traffic. Listen for clunks on shifts, flares between gears, and shudders during light acceleration at 30–50 mph (torque converter symptom).

See full powertrain report for this vehicle →

5 Inspect the lighting

What to look for: Headlight lens haze that'll need restoration, dim low beams, condensation inside the housings, blinkers flashing fast (bulb out). (35 owner complaints on this vehicle · typical repair $250 · failures cluster ~21,750 mi)

Every exterior light — walk around with a helper pressing the brake, blinkers, hazards
Headlight aim — should not blind oncoming traffic; misaligned often after collision
Interior dome lights, glove box, vanity mirror lights, trunk light

See full lighting report for this vehicle →

6 Inspect the steering

What to look for: Wandering on the highway, clunks when turning, slop in the wheel before the tires respond, power steering whine. (28 owner complaints on this vehicle · typical repair $700 · failures cluster ~23,585 mi)

Tire wear pattern — uneven wear across the tread means alignment or worn suspension
Power steering fluid level (where applicable — most newer vehicles are electric)
Tie rod boots and ball joint boots for tears
Steering wheel free play — should be less than 1 inch at the rim

On the test drive: On a smooth highway, take hands off briefly (when safe) — vehicle should track straight. Pulling left or right means alignment or worn front-end parts.

See full steering report for this vehicle →

7 Inspect the suspension

What to look for: Bouncing after bumps, knocking over potholes, sagging on one corner, harsh ride with all the dampening gone. (24 owner complaints on this vehicle · typical repair $900 · failures cluster ~34,845 mi)

Bounce test — push down hard on each corner of the car; it should rebound once and settle, not bounce
Visible struts/shocks behind the wheels for oil leaks
Sway bar end links and bushings (common wear item, $40–$120 to fix)
Ride height — measure wheel-well to ground at all four corners; uneven = bad spring

On the test drive: Drive over a series of bumps or a railroad crossing — clunks point to worn end links, ball joints, or strut mounts.

See full suspension report for this vehicle →

8 Paperwork — before you sign

The seller's transparency on these tells you what kind of seller you're dealing with.

Title in seller's name (not "open title" or "signed by previous owner")
Service records — at least the last 24 months
VIN on the dash matches the door jamb sticker and the title
Run a paid vehicle history report (Carfax or AutoCheck) — accident, salvage, odometer rollback
Confirm any open recalls have been completed (NHTSA VIN lookup)
If financing, get the rate in writing before you set foot on the lot

Inspection items derived from 923 owner complaints and 3 active recall campaigns filed with NHTSA on the 2018 Jeep Compass. Category-specific guidance is written by ProblemsByVin contributors with ASE-certified mechanic review. This checklist is meant to surface known patterns — it doesn't replace a paid pre-purchase inspection by a qualified shop, which we recommend for any used vehicle priced over a few thousand dollars.

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