Possible malfunctions of a steering with the hydraulic booster, their reasons and ways of elimination (Chevrolet Cruze 1 2008-2016: Chassis: Steering)

Cause of malfunction	Remedy
Increased free play of the steering wheel and knocks in the steering
Loosening the steering gear mounting bolts	Tighten the bolts
Wear of spherical joints of steering rods	Replace hinges
Steering shaft cardan joint wear	Replace intermediate shaft with cardan joints
Steering wheel tight (insufficient amplification)
Power steering pump drive belt slip	Replace belt
Pump drive belt damage	Same
Insufficient working fluid level	Restore fluid level to normal
Air in the hydraulic system	Remove the air (see «Replacing the working fluid and pumping the power steering system»)
Kinked or damaged hoses	Remove kink or replace hoses
Insufficient power steering pump pressure	Repair or replace pump
Increased internal leakage in the pump	Replace pump assembly
Increased fluid leakage from the steering mechanism	Replace defective parts
Misaligned or damaged steering gear or distributor seals	Replace seals
Fuzzy return of the steering wheel to the middle position
Difficult turning of the inner joints and / or joints of the tie rod ends	Replace tie rod ends
Wear of the universal joint of the steering shaft and / or seal	Repair or replace
Steering rack deformation	Replace steering gear
Gear bearing damage	Same
Kinked or damaged power steering hoses	Remove kink or replace hoses
Pressure control valve damage	Replace pressure control valve
Damage to the pump rotor shaft bearing	Replace pump assembly
Noise (knock) in steering
Contact of hydraulic booster hoses with the body	Route and secure hoses correctly
Loose steering gear	tighten fastening
Loose tie rods and/or tie rod ball joints	Same
Wear of ball joints	Replace worn parts
Increased noise of the hydraulic booster pump Insufficient level of working fluid	Increased noise of the power steering pump Restore the fluid level to normal
Air in the hydraulic system	Remove the air (see «Replacing the working fluid and pumping the power steering system»)
Loosening the pump mounting bolts	Tighten the bolts