See also:

Power brakes function only when the engine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not working, co ...

Re-installing the wheel
1. Clean the contact surfaces on the wheel and hub. 2. Lift the wheel and place it on the hub. Tighten the lug nuts 3. Install the wheel nuts and tighten handtight. Using the lug wrench, tight ...

Towing a trailer
The maximum weights recommended by Volvo for trailers with brakes are shown in the table below. Recommended hitch tongue load: not more than 10% of the trailer's weight. The trailer load should ...