SOURCE: Loud clunking noise in 2008 Pontiac G5
HI, i would inspect the strut assembly for loose structure asap. i would also inspect the wheel knuckle and rotor and tie rod ends for loose fit as well. inspect thoroughly.
Its most likely the CV-joint assembly. the boot may have slipped off, allowing the joint assembly to dry up. i advise to inspect all the above before looking at the CV-half joint assembly and boot.
SOURCE: Transmission noise (growl)
It is at least one of your wheel bearings. I had all four of mine replaced before 40000 miles I hope that it is under warrantee
SOURCE: power steering dont work to left or right
To find out witch it is,pump or rack and pinion,break loose the presure line on the power steering pump with a wench.Start the car and turn the steering wheel back and forth,you may need to loosen the nut on the power steering hose two or three turns to get the fluid to shoot out.It should come out pretty forceful.If it doesn`t,then replace the pump.If it does come out really powerful,replace the rack and pinion.
SOURCE: My car has a loud whinning noise especially when
"rack and pinion" is the system of steering installed on your car. A constant noise that accentuates at full gas means a bearing inside the motor or its accessories (pumps, pulleys, alternator) is at fault. It never happens in a steering unit. If you paid for that you've been fleeced.
Try listening to your engine with the gearbox at Park and post again or take it to an honest mechanic.
SOURCE: 1998 pontiac grand prix GT.
A rack and pinion is a very simple process on this vehicle and is quite likely causing your issue. This is going to look more complicated then it really is in addition having my own personal tips to use as well to ease the process.
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The power steering pressure line. Refer to Power Steering Pressure Pipe/Hose Replacement or Power Steering Pressure Pipe/Hose Replacement .
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The power steering return hose. Refer to Power Steering Return Hose Replacement or Power Steering Return Hose Replacement .
Removal Procedure
Caution: Failure to disconnect the intermediate shaft from the rack and pinion stub shaft can result in damage to the steering gear and/or intermediate shaft. This damage can cause loss of steering control which could result in personal injury.
Support the rear of the frame (3) using jackstands.
Remove the following components from the power steering gear:
Remove the power steering gear mounting bolts and nuts (1),( 4).
Reverse the process for installation.
Now my own personal way of doing this doesn't seem as complicated.You need to lift the vehicle and support it on the subframe with jack stands not the engine cradle.Remove the 2 front tires so you can disconnect the outer tierods. Center the steering wheel. Once disconnected place a jack underneath the rear of the engine cradle.Basically the jack will just be used to support the cradle after you remove the two rear cradle bolts which I believe are 18mm heads on them.Once these are removed slowly start allowing the jack to lower down.You will then have much better access to the rack.At the intermediate shaft which connects the steering comlumn to the rack there is a pinch bolt that needs to be removed.You may need to lift the boot up to see it remove this bolt and push the intermediate shaft off the rack at this point you need to absolutely make sure the the steering wheel is not rotated at all slight movement is ok but no major movements.There will be 2 power steering lines attached to the rack the need to be removed from the rack.They are 18mm try and use a line wrench to loosen these so you reduce the risk of stripping them out.Once these are broke free you can use a regular wrench.After this you two bolts holding the rack to the engine cradle once removed the rack will come out pretty easy.Now before reinstallation I use a tape measure to measure from the end of the bellows boots on the rack to the full length of the inner tie rod.The rack should be precentered but many times the are not.You want these measurements identical on each side.If the measuresments are not equal turn the shaft at the top of the rack in small increments till they are all even.From there reverse the process for reinstallation.Make sure to remove the jam nuts and outer tierods so you can use them with your replacement rack.Once you have everything reassembled fill the ps pump back up and start the vehicle and turn the the steering wheel back and forth.Intially the ps will be noisy but will quiet down as the fluid level is corrected and air bleeds from the power steering unit. After all this is done an wheel alignment will need to be performed.
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