Astro 1985-2005
Chevy's first entry into the minivan class, offered in All Wheel Drive to add to its versatility.
Platform: M-Body

2004 Astro AWD pulling hard left when braking

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Old August 18th, 2010, 9:10 AM
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Default 2004 Astro AWD pulling hard left when braking

I have already replaced the front pads, rotors and calipers on both sides. I have read that an ABS sensor could be to blame. The right hub was replaced so the right side has a new sensor. I looked at the sensor on the left side and the housing was broken off of the sensor that inserts into the hub. Once I looked at the sensor and put it back together, the ABS dash light is now on.

Could this sensor cause the van to pull when braking? Or should I be looking elsewhere?

Alignment was checked and found to be perfect. New tires. Steering is a little loose, the tech thought a new gear box might be needed but didnt think it was that bad. Tie rods and all other components were tight.

Thanks for any help.
Old August 18th, 2010, 12:48 PM
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Grumpy did this. Replaced everything you did with no result. Went to replace the front soft lines and had the hard line it connects to on the passenger side break. Ran a new hard line in addition to the soft lines and now Grumpy stops in a nice straight line.
Old August 18th, 2010, 1:40 PM
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so I'm looking at a possible brake line issue? Makes sense.

Did you just run new lines for the problem side? Or both sides?

We had trouble bleeding the problem side (passenger). Took a really long time. But we figured it was because it was farther away.
Old August 18th, 2010, 2:44 PM
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New hard line to passenger side. New soft lines on both sides, well not new but better condition ones from my parts van.

Passenger side shouldn't take much more time to bleed, maybe a couple more pumps of the pedal.
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