2020 SUBARU LEVORG

Typical onset: 60,000-100,000 mi

Symptoms: Shuddering or hesitation during acceleration from stop, Burning smell or CVT fluid discoloration, Transmission overheat warnings on spirited drives or towing, Whining noise that increases with speed

Fix: CVT fluid change at first symptom can buy time, but most cases need transmission oil cooler replacement (2-3 hrs labor) or full CVT rebuild/replacement (12-15 hrs). Cooler lines crack at fittings. If fluid is burnt, internal clutch packs are compromised.

Estimated cost: $800-1,200 for cooler; $5,500-7,500 for CVT replacement

Typical onset: 70,000-120,000 mi

Symptoms: Persistent ticking or tapping from engine on cold start that doesn't quiet down, Loss of power or rough idle, Check engine light with cam position sensor codes (P0011/P0021), Metal shavings in oil during changes

Fix: CB18 uses direct-acting mechanical lifters prone to wear if oil changes are stretched. Requires cylinder head removal (8-10 hrs per head), lifter replacement, and camshaft inspection. If cam lobes are scored, add camshaft R&R (additional 3-4 hrs). Some techs see this as early as 50k with poor oil service history.

Estimated cost: $3,500-5,500 for lifters and head work; $5,500-7,000 if camshafts needed

Typical onset: 80,000-130,000 mi

Symptoms: Rattling from front of engine on cold start, subsides after warmup, Check engine light with cam/crank correlation codes (P0016/P0017), Rough running or misfires, Visible chain slack when inspecting through oil fill

Fix: CB18 chain tensioners can fail early with infrequent oil changes or aggressive driving. Timing chain job on a boxer means removing front covers and working around cramped space (10-12 hrs). Always replace guides, tensioners, and water pump while in there. This is not an interference engine, but stretched chain causes running issues.

Estimated cost: $2,200-3,200

Typical onset: 50,000-80,000 mi

Symptoms: Rough idle and hesitation on acceleration, Misfires on cold start (P0300-P0304 codes), Decreased fuel economy, Failed emissions test

Fix: DI engines have no fuel wash over intake valves. Walnut blasting is the fix: remove intake manifold (2 hrs), blast each port (2-3 hrs total). Some shops try intake cleaner sprays first, but they're temporary. Preventive measure is periodic Italian tune-up and catch can install.

Estimated cost: $600-900 for walnut blasting service

Typical onset: 90,000-140,000 mi

Symptoms: Vibration at idle that worsens with RPM, Squealing or chirping from front of engine, Accessory belt walks off pulleys, Visible wobble on crank pulley during running

Fix: Rubber damper ring separates from hub, causing severe imbalance. Can grenade accessory drive and damage crank snout if ignored. Replacement requires special puller and installer tools (3-4 hrs labor). Always inspect when doing timing chain work.

Estimated cost: $700-1,100

Typical onset: 60,000-90,000 mi

Symptoms: Clunking when shifting from Park to Drive, Excessive vibration at idle in gear, Visible sagging or torn rubber on mount inspection

Fix: CVT weighs more than manual, stresses mounts. Rear trans mount collapses first. Straightforward replacement on a lift (1.5-2 hrs). Replace in pairs (front and rear) for best results. OEM mounts last longer than aftermarket.

Estimated cost: $350-550 for both mounts