Question about 1999 Chevrolet Astro

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Engine rpm drops when brake pedal applied 1999 astro van

But steering and brakes do not seem to be affected

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 112 Answers

SOURCE: 1999 ASTRO VAN ACCELERATES WITH AC ON

It is perfectly normal for the idle speed to increase with the AC on. This is done to ensure that adequate coolant flow is available for the increased strain the compressor puts on the engine.

If the idle increase is too high, there is a safety problem. There is an idle adjustment that can be made to reduce RPM to factory specification when the AC is on.

Posted on Mar 26, 2009

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sawdust46694
  • 398 Answers

SOURCE: 1999 Chev 2500HD - Blinkers only blink when brake applied

check your 4 way flashers swith. if that doesn't do it than change the flasher. you can switch the sig lights flasher with the 4 way flasher. good luck
saw

Posted on Jul 05, 2009

  • 127 Answers

SOURCE: When I step on the brakes in my astro van it dives

IF THE VAN IS PULLING TO ONE SIDE DURRING BRAKING THE SIDE IT IS PULLING TO IS THE GOOD SIDE THE OTHER SIDE THE CALIPOR IS EITHER NOT WORKING OR HUNG UP, WHAT I WOULD DO IS REMOVE THE WHEEL ON THE SIDE THAT ISN'T PULLING AND CHECK THE CALIPOR SLIDES, IF THEY LOOK GOOD AND SEEM TO BE MOVING FREE THEN I WOULD REPLACE THE CALIPOR. HOPE THIS HELPS GOOD LUCK

Posted on Nov 26, 2009

  • 1 Answer

SOURCE: engine shuts off while driving my '96 astro van

goodness, I have the very same problem. I can drive up to 250 miles with no problem, then suddenly it shuts off. After waiting for 10 minutes it starts fine and run for another 10 or 50 miles and shut off again. I am at my witts end.

any ideas?

Posted on Dec 25, 2009

  • 41 Answers

SOURCE: humming sound above thirty kms coming from under

may be a wheel bearing.. when driving down the road try slightly turning your steering wheel back and forth like your changing lanes..if the pitch of the noise changes theres a good chance thats your problem.

Posted on Jan 07, 2010

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Related Questions:

1 Answer

Does a power steering belt affect the brakes?


no.
but if the engine is running below 800 rpm
there is less vacuum and brakes can be effected by the
Brake Vacuum booster.
and slow RPM can make steering pump weaker.

so first things first. what is ENGINE RPM
an is the belt slipping of RPM is ok>?

Jul 10, 2014 | 1998 Isuzu Rodeo

1 Answer

What do I need to do to fix 1999 chevy astro van when put into drive it takes off or surges


If it is surging and then droping off it could be your idle air control valve.

Apr 25, 2014 | 2003 Chevrolet Astro

2 Answers

My chevrolet astro lost power steering and the brakes are hard


Your van sounds like it has hydro-boost.It uses the power steering for brake boost instead of engine vacumme.More than likely you have had a power steering pump failure.

Apr 24, 2011 | 1997 Chevrolet Astro

2 Answers

While sitting at lights even pressure on brake pedal. brake pedal sinks to floor . engine revs drop to 600 rpm's . when brake pedal is released engine rev's increase to 900 rpm's? Dealer mechanics say it...


not normal at all,a couple of causes 1 small valve at the front of the servo unit,2busted pipe coming from the servo unit,3the servo unit itself needs replaced.so where is the servo unit?.if you lift the hood you will see in front of the brake pedal only inside the engine compartment look closely and try to judge it ,its about the size of a bottom of a small sauspan only about 4/5 times the thicknes,thats your servo and that where your problem is.adrian,,,

Dec 03, 2010 | Dodge Dakota Cars & Trucks

1 Answer

I have a 1995 chevy astro van and the breaks and steering have lost power. The fluid's are full, and I can not detect any broken lines. What could it be?


Your van don't have the regular air (vacum) power brake booster, your has a hydraboost brake booster, which is power by your power steering pump, if power steering pump goes bad you will not have power steering or brakes, brake peddle will feel very hard and will take alot of pressure on the brake peddle to stop your van, more the likely your power steering pump is bad.

Jun 29, 2010 | Chevrolet Astro Cars & Trucks

1 Answer

1999 ASTRO VAN ACCELERATES WITH AC ON


It is perfectly normal for the idle speed to increase with the AC on. This is done to ensure that adequate coolant flow is available for the increased strain the compressor puts on the engine.

If the idle increase is too high, there is a safety problem. There is an idle adjustment that can be made to reduce RPM to factory specification when the AC is on.

Mar 26, 2009 | 1999 Chevrolet Astro

1 Answer

1995 chevy astro van


Mine just did same (2001). Have them check the power steering pump--shaft broke in mine. This affects the brakes as well since both power brakes and power steering run off same system in Astros. Broken shaft messed up the booster system.

Aug 05, 2008 | 1995 Chevrolet Astro

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