1999 Toyota 4Runner SR5, about 208,000 miles. I want smaller winter wheels for more sidewall. Overall tire diameter can stay close, but I am worried about caliper and spoke clearance. What measuremen…
2021 BMW X5 xDrive40i, about 75,500 miles. There is a short metallic rattle after the first cold start of the day, then it disappears once the engine settles. Warm restarts are quiet. Where would you…
2023 Toyota 4Runner TRD Pro, about 8,200 miles. Filled the DEF tank but warning returned sooner than expected. Before blaming the sensor, can old/contaminated fluid or crystallization create this kin…
On cold mornings, shifting from Park to Drive takes a second or two before the car actually engages. Once warm it's instant and shifts fine. Fluid level/condition is my first thought, but what else s…
2021 Audi A6 Prestige, about 14,500 miles. For the first few seconds after a cold start I hear a metallic rattle, then it disappears and won't come back once the engine is warm. No warning lights and…
