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Sedans Chevrolet Malibu 2008-2009 Chevrolet Malibu
1299 messages, Last post on Nov 18, 2009 at 10:31 AM
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Replying to: m3fan3 (Oct 30, 2009 6:28 pm) If you have that much road noise, you have noisy tires or is it that faint? Try a quieter type of surface. Immediately check wheel nuts to make sure you don't have a loose wheel!!!! You might try removing wheel and check area for something that is making intermittant contact. Calipers have been known to make such a sound, especially if the rotor is warped, but then you might also feel that when you brake. With that mileage, you have likely had tires rotated. Have you heeded my advice of getting a torque wrench and check behind the mechanic so that you don't incur such damage? (posted elsewhere as a warning to all) Also CV joints can make a sound that is somewhat like a clicking if there is a lot of wear. Usually it occurs prematurely if the boot has been punctured and you loose all of the grease. And often the clicking is worse in a slow turn. Also check to see if something is stuck in the tire that might make such a sound as it comes in contact with the road.
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I did a search for 09 and this is what I found. http://www-odi.nhtsa.dot.gov/cars/problems/tsb/results.cfm What really caught my eye was the missing diodes from the fan circuit because they did the same thing on Olds Aurora's. My 96 had the jumper harness added that fixed the problem. Knowing a bit of semiconductor design parameters, voltage spikes beyond design parameters will likely damage them or lead to an immediate death of components. If damaged, it is hard to pinpoint an exact time of death, it could be minutes or even years, but definitely a premature death is extremely likely once the damage has occured. Reviewing the 17 service bulletins at this link, most of them could be related to this design flaw. BTW, this also effects some Pontiacs, some '08's, and probably some Saturns. There are only three of these bulletins that can be ruled out, with what info is provided, as not being related to possible damage caused by missing diodes. Two are for hybrid models and the third seems to have been tracked to a loose ground wire by the AC compressor. If anyone learns the procedure for determining if the diodes are missing, please post back. |
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I had a disaster with my last car when a radiator hose broke and fried my engine, thus I am now driving 2008 Malibu LTZ 3.6 V-6. In the old days I was under the hood working on spark plugs, points, etc. and would notice when belts and hoses needed replacement. Are the new hoses more durable and how long before one should automatically replace them? Thanks, Uncle Dewey
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Replying to: uncledewey1 (Nov 03, 2009 10:49 am) I guess it is time to check warranty and see if belts and hoses are covered. |
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Replying to: uncledewey1 (Nov 03, 2009 10:49 am) at my 100K maintenance I also replaced the plug wires as well.....hoses still are pliable and dont show any signs of cracking....so should still be good....have 155K on my 04 Maxx LT
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Replying to: e_net_rider (Oct 31, 2009 6:41 am)
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Replying to: m3fan3 (Nov 12, 2009 1:57 pm) Mine is at shop as well. They say the check engine was because of a bad gas cap. I am disappointed to learn that is not a switch at the gas door hooked to the alarm. Also a foam gasket inside rear window is dislodged. Said they had to replace that whole rear deck panel which seems crazy. Still on the hunt for why the vehicle feels so loose and seems to have play in steering, electric assist. They got me loaner from Hertz, a LS. Also has some of the weird feeling but hard to tell what is causing issue when this one had dings in both left side wheels and major differences in tire pressure and tire noise that might be cupping or maybe CV joints. Only had 25K. For drivability, the AT6 with I4 is a must. This loaner is a dog. I will continue to hunt issue related to loose steering and post what I find. I glanced at an LTZ in showroom with V6, 3.6. The EPA shows worse mileage than an Impala a couple of vehicles over with 3.5 V6 and AT4. How can that be?
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Replying to: pao (Nov 04, 2009 6:58 am) |
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Replying to: e_net_rider (Nov 13, 2009 6:27 am) I'll let ya know what the deal is about my noises. let me know whats going on about that steering.
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Replying to: m3fan3 (Nov 15, 2009 10:19 pm) Mine is 09 Malibu LT2 I4 AT6. I'm still not sure where this steering issue is at. My suspicions are 1) something to do with electric power steering, 2) related to alignment, or 3) the tires. On the alignment issue, there are two points the way this is aligned compared to what good alignments would be. First, it is stated that for best straight line handling the left side castor should generally be higher than the right side. Mine is the opposite. Second, I have issue with the spec for left front camber being different than right side. They tell me this is more common with newer vehicles. Most vehicles would only have this if you intend to drive in circles. Another measurement that is relative to camber is the SAI (something like steering arm inclination). You add this to the camber to get the "included angle" and the difference side to side is supposed to be zero. One of the things this effects is the natural returning to center of the steering if you let loose of the steering wheel coming out of a turn. My print out does not give a specified range for SAI, Included Angle, Turning Angle Difference, Cross SAI, Cross Turn Difference, or on the rear, the Cross Camber. They did give the actual readings of most of these. I plan on having another shop look at it. 3) Tires. I am not happy with a couple of characteristics of these FR710s, but can not say they are definitely effecting this loose feeling at center until the other two items are ruled out. Not without investing in a new set of tires on a maybe.
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