Installing the sub-frame

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Position the sub-frame on a lifting table
Carefully lift the sub-frame
Locate the control arms on the ball joints and the steering gear on its mountings
Remove the hook (999 5045) that is holding the steering gear
Lift the sub-frame up completely
Reinstall the engine block heater (if applicable).

Fig 1: Identifying Bolts, Washers And Brackets In Sub-Frame

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install the engine block heater (if applicable) on the left front mounting for the sub-frame
Install the four screws in the sub-frame together with the sub-frame brackets. Use new screws . Lubricate the screws
First tighten the screws on the left side of the sub-frame. Tighten to 105 Nm . Angle tighten to 120° . Then tighten the right-hand side to the same value
Finally tighten the screws for the brackets on both sides to 50 Nm .