Toyota V6 Engine Problems: Weak Points, Survivors & Fixes That Matter
Sludge wrecked the 1MZ. Coolant crusts cracked GR water pumps. Debris wiped V35A bearings before 40,000 miles. Toyota’s V6s built a reputation for long-haul strength, but under the covers, each generation hides weak spots. The MZ gummed up crankcases with burnt mineral oil. GRs leaked oil from timing covers and blew water pumps mid-trip. The … Read more