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How to Change Out a Volvo 850 Turbo

The Volvo 850 was the first front-wheel drive Volvo and marked the Swedish car manufacturers shift to Lexus-like comfort rather than BMW-like sportiness. It was Volvos first serious foray into the American market as well, as they installed many luxury amenities to market the 850 as a European luxury car. The Volvo retained some of the sportiness of the rear-wheel drive Volvos with optional turbos. The turbo forces more air into the combustion chambers. Unfortunately, many of the early turbos did not use strong-enough steel and can crack over time.

Instructions

1

Put the Volvo into park, preferably in your driveway because you will need room around the front of your car to work on the engine bay. Pull the emergency brake and turn the car off. Pull the hood latch to the left of the drivers column and then exit the car. Prop the hood up with the prop stick and drape drop clothes over the side of the engine bay to protect the body panels from possible scratches.

2

Locate the turbo housing on the top of the engine. It will be a coffee can-sized metal shell on the air intake and hooked into the exhaust headers. Detach the air intake tube from the front of the turbo by unscrewing the O-ring clamp from around the tube. Unbolt the four bolts that secure the turbo onto the exhaust headers. Support the turbo while unbolting, so no undue stress is placed on the threads of the bolts. Unbolt the four bolts that secure the rear of the turbocharger to the air intake on the engine. Pull the turbo off and place it to the side.

3

Bolt the new turbocharger onto the exhaust header. First thread the bolts through so the alignment is right, then wrench the bolts down flush. Bolt the four bolts to the engines air intake port. Screw the O-clamp onto the air intake tube over the inlet hole on the turbocharger. Close the hood and take the car for a drive to make sure the turbo is working. You should feel the power increase around 3,000 rpm.