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Everything posted by Fairtax4me
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Front diff noise will be different depending on what is damaged/worn. Carrier bearing noise will make a growling type sound. Worn ring and pinion will make a high pitched whine that will change with engine load and speed. If a tooth or teeth are chipped or missing from the ring gear you will have a knock/pop/thud with every revolution of the diff. This will be combined usually with the car jerking/jumping at the same time as the noise. Worn/broken spider and side gears will make noise when tuning. They make a rattling type sound and can jam making a pop click and making the car jerk around. Also when that happens the car may feel like it is not turning, the tires may screech, and the front of the car will lift up as the suspension is put under stress from the axles.
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Installing new speakers won't void the warranty on the car. Just don;t break anything taking the door panels off. These cars are fairly simple. A few screws here or there and some pop clips and it should pop right off. The older cars are really easy at least. I can have a door panel off my car in about 30 seconds.
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E: DTC P0719 BRAKE SWITCH CIRCUIT LOW DTC DETECTING CONDITION: Brake switch malfunction, open input signal circuit TROUBLE SYMPTOM: Gear is not shifted down when driving a down hill. 08 FSM was the closest I could find, but that's Subaru's definition for P0719. Anyway, short answer is the TCU relies on input from the brake switch to determine when to downshift. An erratic signal or no signal can confuse the TCU, it recognizes there is a problem and illuminates the AT OIL TEMP light as a signal that something is wrong. The BCM (Body control module) reads the signal from the brake switch is erratic, stores the code and illuminates the MIL.
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The other scenario is the boot cracked and fell apart from age, allowing rocks/dirt and other debris to get stuck to the rack which will then get pulled into the housing when you turn. It drags the dirt in along with it which destroys the seal. Low steering fluid will make a whining sound when turning. A bad differential will whine at speed (50mph or more in most cases) and change pitch, or disappear entirely, depending on load. A leaking rack will not stop leaking. Swap it with a junkyard rack and put new boots and tie rods on it then you won't have to mess with it for a long time.
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Sti
Fairtax4me replied to koolaidman's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
X2 on bad turbo. Pull the intake tube off and I bet you can wobble the compressor wheel around like a joystick. -
The screw driver method works fine. I used a 1/4" allen key on mine. Just don't forget that it's in the bellhousing. It'll get bent when you try to start the engine. Put a breaker bar on the crank bolt and turn it until it's at TDC. Stick your screw driver or allen key into the hole it eh bell housing, and while pushing inward, rotate the crank in either direction a few degrees. You'll feel the tool skip then pop into one of the holes in the flex plate. Then the crank will not be able to turn in either direction.
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There should not be so much slop that it makes crunchy and grinding noises. There are 8 or 9 bolts that hold the tail housing section on, and you have to remove the linkage for the shifter. Then there are two alignment dowels that can be knocked out with a punch and the tail housing section will pull off. The paper gasket will hold it somewhat so you may need to tap it with a mallet to get it loose. You can see the dowels in this pic. One at the top and one at the bottom. The transmission is laying on it's right side in the pic. The transmission output shaft (the long one) and the center differential have to be pulled out together. They will come out by hand with a bit of wiggling.
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Just add a can of refrigerant with oil when refilling them system. Or you can pour about an ounce of the oil called for on the AC service information sticker under the hood directly into the low pressure side port, then spin the compressor hub a few times by hand to cycle the oil through the compressor.