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All new parts, still runs like ****

T

timothylockhart

New member
Hello all, I am a frustrated owner of a 2001 Grand prix se 3.1L it has 150k on it

recently I have replaced all the following parts as they were bad.

Front wheel bearings
Control arms
Ball joints
Tie rods
Sway bar links
sway bar is new on it
Front end alignment
tires balanced
New tires

The car still runs like absolute ****.

I did notice that the EGR valve is not proper and has an extra hose that is plugged with a screw from the previous owner.

The car had an AWFUL shake at 45+ mph where it would shake the steering wheel and my jaw while driving.

Took it into to get rebalanced and it drives smoother but still has small shakes

My camber was off and they needed to install a camber kit for my front end alignment.

Car's transmission was slipping in the summer but has stopped in the winter I assume it is worn out and the fluid is thicker in the winter making it not slip.

The car idles rough and just gets destroyed by bumps... Thinking I need new struts but honestly tired of dumping money into this car.
 


I don't see axles.

That's probably the shake.

You can totally delete the EGR by properly blocking it off, on 3800's it is a cake walk...not sure on the 3100/3400. It's a crappy engine anyways.

How about a tune up? Intake gaskets, clean TB to remove carbon build-up, IAC/MAF/TPS sensor cleaning, new plugs/wires/coils/vac lines/fuel system cleaner/new fluids/filters/PCV...done all that?

For the trans, I'd do a pan drop...not a flush. Replace the filter and add a good amount of stop slip with Dex3 fluid. Should help the transmission for sure. Quick struts aren't horribly priced.

Try that.
 
rotate tires and see if the shake moves to the back. seems like a bent wheel if its still shaking after a pile of parks and rebalancing the tires.
 


Grab each axle and try to move. Should be no movement perpendicular to the bearings.


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you should look at axles shafts and rims that will cause wheel wobble. had a 93 toyota with 2 bad half shafts and guess what happened when they were changed no more wheel wobble.


go look on rock auto for cv half shafts
 
The tire shop said it was very miniscule and most likely wouldn't feel it, but it's not only the wobble it's the hesitation and such I'm looking into a tuneup other then plugs and wires what should I look into
 


Although this is under the suspension subforum, Ooops, It does have the wobble and what seems to be bad struts as the camber was off, and I think they said struts were leaking last time, so probably time for new struts aswell,

I am trying to get parts off rock auto,

So far my list is

Iridium plugs,
Wires
Possibly cv axles, can A shop see and tell me if axles are bad if i have them look?
 
Its more of a feel and hear if axles are bad. Unless the boot is torn then you will see the grease mess.


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timothylockhart said:
Although this is under the suspension subforum, Ooops, It does have the wobble and what seems to be bad struts as the camber was off, and I think they said struts were leaking last time, so probably time for new struts aswell,

I am trying to get parts off rock auto,

So far my list is

Iridium plugs,
Wires
Possibly cv axles, can A shop see and tell me if axles are bad if i have them look?
Click to expand...

NO,
delco plugs,
wires,
cv shafts just do both after core they don't cost much even from local parts stores. Take old ones out bring them in then pick up new ones that saves the core charge.
replace fuel filter. Cheap and people seem to always forget them. \

Id start with that.
 
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