The most likely cause for the hard pedal is the vacuum assist unit. That's the unit that the master cylinder is bolted to. It's what gives you POWER brakes. On some models, like mine which happens to be an all wheel drive model, chevy uses a hydraulic assist instead of a vacuum powered style.
1992 chevy astro brake question
Written by: onlyhuman3 on Aug 25, 2009 2:30:47 PM
we have a 1992 chevy astro the abs and brake light stays on and the brake pedal is hard to push would this mean the master cylinder needs replacement, thanks donna
I purchased a 1998 astro van a few years ago and have had a number of fuel related problems. I have had to replace the fuel pump twice. The van will not start after sitting for a few hours. If you turn the ignition on but do not start the van for about 2 minutes it will start after a few tries.My mechanic was going to check the fuel injection but ... Read More
I own a 1995 Chevy Astro with about 148K miles, 4.3 V-6, "W" engine. Over the past several months, the engine has developed a pronounced misfire. Gas mileage has dropped considerably from 20 to 22MPG to just over 16MPG with no change in my driving habits or distances. It's at the point now where it's almost undriveable. I've had it in to my mechanic who has replaced plugs, checked wires (judged ... Read More
I own a 1995 Chevy Astro with about 148K miles, 4.3 V-6, "W" engine. Over the past several months, the engine has developed a pronounced misfire. Gas mileage has dropped considerably from 20 to 22MPG to just over 16MPG with no change in my driving habits or distances. It's at the point now where it's almost undriveable. I've had it in to my mechanic who has replaced plugs, checked wires (judged ... Read More
I just bought a 92 Safari XT. I've tooled around in a '78 GMC 2500 for the last 18 years, and decided to buy a more economical van. 500K on the GMC had a bit to do with the decision, too. The XT seems to be in reasonably good shape, although it has 180K on the clock. If the rain holds off, I plan to pull a major service on it ... Read More
This probably applies to Astros and a few other Chevys... From 1992 to 1994 GMC Safaris were available with L35 engines that produced 200 HP @ 4400 rpm. These so-called "W" series engines were marketed as "Enhanced" or "High Output" V6s and used central port electronic injection for fuel delivery. All were catagorized as "Vortec" V6s. From 1995 to date the SAE Net HP rating was reduced to 190 HP @ ... Read More
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