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unibrook

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Posts posted by unibrook

  1. My 2001 Forester with 86k miles on her has the ABS Light staying on:

     

    Dealer just says they have to hook up their ABS computer scanner to diagnose the problem. You might as well first do a visual inspection of all of the components to be sure wires are intact and no obvious damage exists to any of the conduits etc. My best guess is to check your front wheels first, since they turn and probably stress the sensor wires most. On the third sensor I inspected, I found an old wire breakage near the sensor that the previous owner (or some clown who broke the wire while doing a brake job) had soldered back together and wrapped electrical tape around….amazingly, it held for a few years. Here is a diagram of the general ABS setup, albeit from a different car: http://autorepair.about.com/library/illustrations/bl457a-lib.htm

    You can easily and quickly pull out a wheel speed sensor once you remove the wheel. It has a black wire coming out of it, (perhaps with a white stripe if you look further up it near the wire clamp). You will find it mounted just in toward the engine on the splash shield by the rotor. Use a 12mm socket to take out the single retainer bolt. Then gently wiggle or pry with a screwdriver to pull out the sensor. It is a friction fit and sits in a hole like a bottle cork. So you can wiggle it out back and forth. Clean off the dirt/rust dust that might be covering the black sensor “cork” and the metal tip at the bottom of it. Visually inspect the teeth of the tone wheel, mine were clean as a whistle. The front left ABS speed sensor assembly is part # 27540AC100 and costs $120.77 shipped from subarugenuineparts.com. $3 cheaper than 1stsubaruparts. The wire from the sensor goes up through the fender into the engine compartment where it clips onto another ABS system wire with a standard wire connector.

  2. Just wondering how quickly people here have seen cat converters go bad under tough driving conditions? I have a 2001 Forester with only 86k miles on it, but inner city short trip driving. And I drove it about a year with a bad front 02 sensor before I replaced it. I have the cel po420 now. So, no doubt life has been tough for this cat, only wish it had 8 more! 86k and 6 yrs is pretty brief, don't ya think?? Any warranty on these cats? ps. I have been averaging 27 mpg since I replaced the front 02 sensor. Very happy about that mileage.

  3. And be happy for your small Subaru problems. My bro is trying to R&R the front 02 sensor on his gf's 2003 Toyota Rav4 with 40k miles on it. Hey it is right up front on top of engine, easily reached without removing anything just lift the hood......should be a piece of cakewalk, right???? yeah um, apply force, hmmmmmmmm, why so tough? Apply more force with breaker bar, oops, SNAP goes the 02 sensor tool as it cracks in half. Many hours later, saw the old sensor in half to get a spark plug socket on to crank it with even more leverage. Finally gets it out, and you guessed it, totally mushed threads. This is a 2003 gently used Toyota, folks. Ouch.

  4. My fix turned out to be the front 02 sensor. Here is my review from a diff thread: I have a 2001 Forester L with 85k miles on it. I have been chasing an intermittent hesitation under load problem for the past year since 80k miles. Only occurred when engine was warm. The front 02 sensor had been replaced once at 40k miles. I suspected it again this time, but since the only codes thrown had been cyl's 2&4 misfire ( p0302 & p0304) I assumed it must be ignition related. So I replaced plugs and wires 8 months ago...no effect. Did the dollar bill test over exhaust pipe, it was fine. Misted the coil, no sparks. I mentally sort of ruled out the fuel filter since it only happened when the engine was warm. Finally, a week ago while cruising on hwy at 65 mph, I felt the hesitation again (I wasn't even accelerating this time) and a new code was thrown....p0172. AutoZone read it for me, I described the symptoms to the guy and asked if he thought it might be the front 02 sensor. He said, "absolutely." So I decided to replace it next. Cost me $100.75 incl tax for the oem part# 22791aa00a from Cityside Subaru. I asked the Parts guy there if his experience was that this model engine needed a new front 02 sensor every 40k miles. He said, "no, these sensors are good for 100k miles." Well, bullsnot on that. I replaced the new front 02 sensor in 1 hour reaching from the top over the passenger side of the engine using an adjustable wrench. Be sure to use the thread lube so you can get it out easily next time.....after another 40k miles. I took out the air channel assembly first for better access. That seems to be the fix. No further hesitation since. Car runs like new.

  5. I have a 2001 Forester with 85k on it. Bot it used 2 yrs ago. Very happy with it. Expect to need to replace the front 02 sensor. Have the dealer put in their coolant additive to extend your HG warranty to 100k miles. You are probably about due for the passenger front axle to be replaced also as the inner boot cracks every 5 yrs due to exhaust pipe heat. Use these reasons to bargain him down to $7500.

  6. My fix turned out to be the front 02 sensor. Here is my review from a diff thread: I have a 2001 Forester L with 85k miles on it. I have been chasing an intermittent hesitation under load problem for the past year since 80k miles. Only occurred when engine was warm. The front 02 sensor had been replaced once at 40k miles. I suspected it again this time, but since the only codes thrown had been cyl's 2&4 misfire ( p0302 & p0304) I assumed it must be ignition related. So I replaced plugs and wires 8 months ago...no effect. Did the dollar bill test over exhaust pipe, it was fine. Misted the coil, no sparks. I mentally sort of ruled out the fuel filter since it only happened when the engine was warm. Finally, a week ago while cruising on hwy at 65 mph, I felt the hesitation again (I wasn't even accelerating this time) and a new code was thrown....p0172. AutoZone read it for me, I described the symptoms to the guy and asked if he thought it might be the front 02 sensor. He said, "absolutely." So I decided to replace it next. Cost me $100.75 incl tax for the oem part# 22791aa00a from Cityside Subaru. I asked the Parts guy there if his experience was that this model engine needed a new front 02 sensor every 40k miles. He said, "no, these sensors are good for 100k miles." Well, bullsnot on that. I replaced the new front 02 sensor in 1 hour reaching from the top over the passenger side of the engine using an adjustable wrench. Be sure to use the thread lube so you can get it out easily next time.....after another 40k miles. I took out the air channel assembly first for better access. That seems to be the fix. No further hesitation since. Car runs like new.

  7. My fix turned out to be the front 02 sensor. Here is my review from a diff thread: I have a 2001 Forester L with 85k miles on it. I have been chasing an intermittent hesitation under load problem for the past year since 80k miles. Only occurred when engine was warm. The front 02 sensor had been replaced once at 40k miles. I suspected it again this time, but since the only codes thrown had been cyl's 2&4 misfire ( p0302 & p0304) I assumed it must be ignition related. So I replaced plugs and wires 8 months ago...no effect. Did the dollar bill test over exhaust pipe, it was fine. Misted the coil, no sparks. I mentally sort of ruled out the fuel filter since it only happened when the engine was warm. Finally, a week ago while cruising on hwy at 65 mph, I felt the hesitation again (I wasn't even accelerating this time) and a new code was thrown....p0172. AutoZone read it for me, I described the symptoms to the guy and asked if he thought it might be the front 02 sensor. He said, "absolutely." So I decided to replace it next. Cost me $100.75 incl tax for the oem part# 22791aa00a from Cityside Subaru. I asked the Parts guy there if his experience was that this model engine needed a new front 02 sensor every 40k miles. He said, "no, these sensors are good for 100k miles." Well, bullsnot on that. I replaced the new front 02 sensor in 1 hour reaching from the top over the passenger side of the engine using an adjustable wrench. Be sure to use the thread lube so you can get it out easily next time.....after another 40k miles. I took out the air channel assembly first for better access. That seems to be the fix. No further hesitation since. Car runs like new.

  8. My fix turned out to be the front 02 sensor. Here is my review from a diff thread: I have a 2001 Forester L with 85k miles on it. I have been chasing an intermittent hesitation under load problem for the past year. Only occurred when engine was warm. The front 02 sensor had been replaced once at 40k miles. I suspected it again this time, but since the only codes thrown had been cyl's 2&4 misfire ( p0302 & p0304) I assumed it must be ignition related. So I replaced plugs and wires 8 months ago...no effect. Did the dollar bill test over exhaust pipe, it was fine. Misted the coil, no sparks. I mentally sort of ruled out the fuel filter since it only happened when the engine was warm. Finally, a week ago while cruising on hwy at 65 mph, I felt the hesitation again (I wasn't even accelerating this time) and a new code was thrown....p0172. AutoZone read it for me, I described the symptoms to the guy and asked if he thought it might be the front 02 sensor. He said, "absolutely." So I decided to replace it next. Cost me $100.75 incl tax for the oem part# 22791aa00a from Cityside Subaru. I asked the Parts guy there if his experience was that this model engine needed a new front 02 sensor every 40k miles. He said, "no, these sensors are good for 100k miles." Well, bullsnot on that. I replaced the new front 02 sensor in 1 hour reaching from the top over the passenger side of the engine using an adjustable wrench. Be sure to use the thread lube so you can get it out easily next time.....after another 40k miles. I took out the air channel assembly first for better access. That seems to be the fix. No further hesitation since. Car runs like new.

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