Volvo Repair & Service in Colorado Springs | Westco Automotive

The crankcase ventilation system

On the five cylinder engines in particular, the crankcase ventilation system is the item we would check first on any higher mileage Volvo. Its job is to draw vapour and pressure out of the crankcase; when the system clogs, that pressure has nowhere to go and it pushes oil out past seals and gaskets instead.

From what we have read and seen, that is why so many of these turn up with multiple oil leaks at once. The leaks are the symptom. The blocked ventilation is the cause, and replacing seals without clearing it just restarts the clock.

Why that matters more than it sounds

A plugged ventilation system can push enough oil out that an engine quietly runs low, and an engine that runs low does damage that has nothing to do with the original fault. We have seen that chain play out on other makes too.

Check the oil on these. That single habit is worth more than any repair.

Cooling and turbo care

Most of these are turbocharged, and the same rule applies as on any turbo engine: the oil is doing cooling work, so intervals matter and oil condition matters. Cooling system components age and are worth inspecting rather than assuming.

Colorado altitude and grades make engines work harder than the same car would in flatter country.

Volvo wants proper diagnosis

These are heavily electronically managed and a complaint often has a module or a sensor behind it rather than the obvious mechanical part. We read all the modules with factory-level tools before recommending anything.

You get told what we found, with the evidence, before any work is approved.

Booking

Westco Automotive & Truck Repair, 1130 Valley St Ste A/B, Colorado Springs, CO 80915. Call (719) 591-7743 or book online. Female-led, ASE-certified, gas and diesel, all makes. We do not perform delete work on emissions equipment.