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Sedans Chrysler 300/300C/300C SRT-8 Chrysler 300: Alignment Issues
219 messages, Last post on Jul 19, 2009 at 2:25 PM
You are in the Chrysler 300/300C/300C SRT-8 Forum. Your Hosts are pat & karens
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Replying to: buckie (Jul 14, 2004 9:45 am)
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Replying to: bjsohio (Jul 14, 2004 10:57 am)
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Replying to: buckie (Jul 15, 2004 4:37 am) DATE: May 25, 2004 SUBJECT: Right Lead OVERVIEW: This bulletin involves adjusting the alignment to revised specifications. MODELS: 2005 (LX) 300/Magnum NOTE: This bulletin applies to vehicles built prior to April 25, 2004 (MDH 0425XX). SYMPTOM/CONDITION: The vehicle operator states the vehicle leads to the right. DIAGNOSIS: Drive the car on a FLAT road. If the car tracks straight, the vehicle operator is experiencing crown sensitivity. If the vehicle tracks to the right, perform the Repair Procedure. Crown sensitivity can not be eliminated in all the cases. Vehicles built on or after April 25, 2004 already have the alignment biased and no further action should be required or taken by the dealer other than verifying the vehicle is set at the revised specifications listed in this bulletin. NOTE: Before evaluating the vehicle, it is important to check the following: 1. Tire pressure - Adjust tire pressure (if necessary) in all four wheels to the pressure stated on the door placard. 2. Tire size & type - Verify that all four tires are the same size and type. NOTE: When evaluating the vehicle, always drive the same road in both directions to get a feel for the effect of road crown & cross wind. SPECIAL TOOLS/EQUIPMENT REQUIRED: NPN Alignment Equipment REPAIR PROCEDURE: 1. Use the procedures outlined on TechCONNECT to set the wheel alignment to the specifications below. NUMBER: 02-003-04 GROUP: Suspension DATE: May 25, 2004 NOTE: When aligning the front end to induce right caster bias (the vehicle will tend to track toward the side with the least positive caster), target the cross caster to be -0.8 degree and no more than -1.3 degrees. That means you will have more caster on the right than on the left. Cross camber should be set in at +0.2 - +0.3 degree. That means you will have more camber on the left than on the right. Utilize the cradle shift method PRIOR to using the caster/camber adjustment bolt kit, p/n 05134117AA. The adjustment bolts only provide about 0.2 - 0.3 degree change and should only be used as a last resort. When shifting the cradle, the passenger side of the cradle will move forward in car and the driver's side will move rearward in car. NOTE: After the cradle has been shifted, torque all 4 cradle bolts to 175Nm (130 ft. lbs.). CAUTION: If an adjustment bolt is to be installed do not allow the bolt head to turn during disassembly or assembly, the cradle tension link joint or the lower control arm bushing inner metal sleeve will be destroyed and require replacement. THE NUT MUST BE UNTORQUED AND REMOVED, BEFORE THE BOLT. Once the nut is removed the bolt can be slid out. REVISED ALIGNMENT SPECIFICATIONS FRONT WHEEL ALIGNMENT PREFERRED SETTING ACCEPTABLE RANGE CAMBER - LEFT -0.1° -0.60° to +0.40° CAMBER - RIGHT -0.20° -0.70° to +0.30° Cross-Camber (Maximum side-to-side difference) 0.20° -0.30 to +0.60° CASTER - LEFT +10.30° +9.00° to +12.10° CASTER - RIGHT +11.10° +9.00° to +12.10° Cross-Caster (Maximum side-to-side difference) -0.80° -1.30 to -0.50° INDIVIDUAL TOE 0.10° -0.05° to +0.15° TOTAL TOE** +0.20° 0.00° to +0.40° Maximum side-to-side difference 0.00° 0.06° RIDE HEIGHT - INDIVIDUAL 328mm (12 15/16 in.) 318 to 338mm (12 1/2 to 13 3/8 in.) CROSS RIDE HEIGHT 0 -12 to +12mm (1/2 in.) REAR WHEEL ALIGNMENT PREFERRED SETTING ACCEPTABLE RANGE CAMBER* -0.75° -1.25° to -0.25° Cross-Camber (Maximum side-to-side difference) 0.00° -0.50 to 0.50° INDIVIDUAL TOE 0.10° -0.05° to +0.25° 02-003-04 -2- FRONT WHEEL ALIGNMENT PREFERRED SETTING ACCEPTABLE RANGE THRUST ANGLE 0.0° -0.50° to +0.50° RIDE HEIGHT - INDIVIDUAL 296mm (11 5/8 in.) 286 to 306mm (11 1/4 to 12 in.) CROSS RIDE HEIGHT 0 -12 to +12mm (1/2 in.) Notes: Vehicle height and suspension alignment values reflect after vehicle spring settling values. * For reference only. These are non-adjustable angles. ** TOTAL TOE is the sum of both left and right wheel toe settings. TOTAL TOE must be equally split between each front wheel to ensure the steering wheel is centered after setting toe. Positive toe is toe-in and negative toe is toe-out POLICY: Reimbursable within the provisions of the warranty. TIME ALLOWANCE: Labor Operation No: Description Amount 02-00-02-90 Set Front and Rear Toe / Center Steering Wheel 0.7 Hrs. 02-00-01-91 Alignment Using Cradle Adjustment and Set Front and Rear Toe / Center Steering Wheel 1.0 Hrs. FAILURE CODE: LM Leads Right
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Replying to: hankc (Jul 15, 2004 9:28 am)
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Replying to: jlm (Jul 16, 2004 6:03 am) |
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Here's something I read on another site Guys, While at Camp Jeep I met the new head of the LX program. He just finished heading up design on the new Grand Cherokee (which will be OUTSTANDING) and has been heading up LX stuff for about 2 weeks. He was telling us all kinds of stories about flogging Jeeps mercilessly and doing all kinds of crazy stuff with them. Exactly the kind of guy I want to talk to. Anyway, I ask him about the right pull and he told me the problem is, well, motor-heads. Apparently the suspension engineers were focused on performance and wouldn't notice or care about a crown sensitivity. He told me this is his number one customer issue and it will be corrected. My impression is that he is very focused on customer satsfaction. I asked about production tolerances etc and he said no, it was a design issue. He told me to expect a TSB with revised alignment specs after they test to be sure that there would not be new issues like excessive tire wear. I heard it from the horse's mouth. I guess we can all take a deep breath and wait for the TSB.
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Replying to: mark_a (Jul 20, 2004 5:06 am) |
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I test drove two 300c's so far. The second one initially had a immediate and rather severe pull to the right . However, it had no pull for the remainder of a 30 minute test drive. I am positive, and I repeat positive, it was not due to road crown. I must say something that many of you may not like to hear. Even if this pull to the right is sometimes attributed to road crown,(and again I am sure that was not the case with me) there is a major problem with this car. No car should ever handle like that if road crown exists. I could have had a car accident, had I not been a good driver and concentrating on the road at that particular moment. I could see someone possibly having an accident if in that time frame they were not on top of their driving. All it would take would be one momentary lapse in concentration or your hand momentarily off the wheel and the car goes off the road, or maybe something worse. We all have had these moments. I would not trust this car, it could have a horribly deadly outcome. Has anyone else experienced this severe momentary pull to the right? P.S. There is a post somewhere in the forums about a car accident attributed to this problem. I think 300c owners should start a class action lawsuit and have Chrysler recall and fix this steering problem immediately. Please do not wait until more cars are out there on the road. |
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Replying to: jeqq (Jul 25, 2004 9:00 pm) The 300C is a pleasure to drive (mine now has 3800 miles on her) - no you can't just sit there and have it drive you - you need to be alert to feel of the road and the car. I have been pleasurably surprised at the handling and road feel of the steering. For a big car, with lots of power it drives beautifully. I don't deny that there has been TSB issued for early build models to correct a pull but all the owners of the 300C that I have talked to agree that the car's handling is exceptional. Before you start talking class action law suite I think you might want to do some further driving in one of these cars. Even in your post you say it was a momentary pull which is far more indicative of road surface conditions than any fault of the car.
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