AE86 Corolla

1983-1987 / Coupe / Hatchback / Japan

All AE86 Corolla problems All workshop issues

Minor Engine, 4A-GE 1.6L DOHC Inline-4

Distributor O-Ring Oil Leak

Symptoms

Oil leaking from the base of the distributor, running down the side of the engine. Oil contamination on the distributor cap and leads.

Cause

The distributor O-ring hardens and shrinks with age, losing its seal. The distributor sits in a pocket that fills with oil if the seal fails.

Fix

Replace the distributor O-ring.

This is a five-minute job, pull the distributor cap, pull the distributor, replace the O-ring, reinsert, and re-time.

Cost: $5 for the O-ring.

Cost mentioned in fix

Cost: $5 for the O

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Other known issues

Common Engine, 4A-GE 1.6L DOHC Inline-4

Oil Consumption

Blue smoke on overrun (deceleration after high RPM) or under hard acceleration. Oil level drops between services. Fouled spark plugs, particularly on cylinders 1 and 4.

Minor Engine, 4A-GE 1.6L DOHC Inline-4

Timing Belt Failure

The engine stops instantly. On the 4A-GE (interference engine), the pistons hit the valves, bending the valves and potentially cracking pistons and damaging the head.

Common Engine, 4A-GE 1.6L DOHC Inline-4

T-VIS Failure

Loss of top-end power. The engine feels flat above 4,500 rpm and doesn't pull strongly to the redline. No audible "click" from the T-VIS actuator around 4,200 rpm.

Common Gearbox, T50 5-Speed Manual

Synchro Wear (2nd and 3rd Gear)

Crunching or grinding when shifting into second or third gear, particularly on fast downshifts. The synchro ring can no longer match shaft speeds, and the gear teeth clash.

Common Gearbox, T50 5-Speed Manual

Gearbox Mount Failure

Excessive vibration through the gearstick, clunking during gear changes, and the gearstick feeling loose or imprecise.

Common Differential

Diff Noise and Whine

Whining noise from the rear axle that changes pitch with speed. Clunking on acceleration or deceleration.

View all 14 AE86 Corolla problems