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2003 chevy silverado 4.3 makes a chirping noise changed belt and tensioner

This chirping noise starts after 3or 4 miles usually at around 60 mph i have changed belts twice and a new belt tensioner i also changed the idler pully i have noticed that when i turn on the heater fan the chirping noise will stop temporally i was thinking it might be the fan since the noise starts after warm up there is no chirping noise while ideling.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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blueextc3221
  • 15935 Answers

SOURCE: Can't get A/C belt around pulleys on my 01 Chevy Tracker 2.5 V6


Removal & Installation

1.6L Engine
A/C Compressor Belt

  1. Disconnect the negative battery cable.
  2. Loosen the A/C compressor mounting bolts.
  3. Pivot the A/C compressor towards the engine in order to relieve the tension on the belt.
  4. Remove the A/C compressor drive belt from the pulleys.

To install:
  1. Properly route and install the A/C compressor drive belt on the A/C compressor, the power steering (if equipped), and the crankshaft pulleys.
  2. Adjust the A/C compressor drive belt to obtain 6-9 mm (0.24-0.35 in) deflection.
  3. Tighten the A/C compressor mounting bolts to 13-20 f t. lbs. (18-28 Nm).
  4. Connect the negative battery cable.

Alternator Belt
  1. Disconnect the negative battery cable.
  2. Remove the power steering pump and the A/C compressor drive belt.
  3. Loosen the generator mounting bolts.
  4. Pivot the generator towards the engine and remove the accessory drive belt.

To install:
  1. Properly route and install the generator drive belt on the pulleys.
  2. Adjust the alternator drive belt to obtain 6-8 mm (0.24-0.32 in) deflection for a used belt or 5-6 mm (0.20-0.24 in) deflection for a new belt.
  3. Tighten the generator mounting bolts to 17 ft. lbs. (23 Nm).
  4. Install the power steering and the A/C compressor drive belt.
  5. Connect the negative battery cable.

Power Steering Pump Belt
  1. Disconnect the negative battery cable.
  2. Loosen the power steering pump mounting bolts.
  3. Pivot the power steering pump towards the engine in order to relieve the tension on the belt.
  4. Remove the power steering pump drive belt from the pulleys.

To install:
  1. Properly route and install the power steering pump drive belt on the power steering pump and the crankshaft pulleys.
  2. Adjust the power steering pump drive belt to obtain 6-9 mm (0.24-0.35 in) deflection.
  3. Tighten the power steering pump mounting bolts to 22 ft. lbs. (30 Nm).
  4. Connect the negative battery cable.

Posted on Apr 26, 2009

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motor1258
  • 6674 Answers

SOURCE: My chevy silverado

Cleaned all pulleys with brake clean or similar before putting new parts on? Did you try spinning all pulleys by hand when belt(s) were off, to see if any have a fair bit of resistance? Sometimes worn bearings in alternator will make similar sound, so rotate it by hand, while applying a little pressure up and down, side to side to see if bearing feels rough at all, as it should feel smooth . Make sure also that you don't have any oil leaks, or small coolant leaks that may be dripping on a pulley or the belt. I have also found (just my experience) that those notched belts, rather than complete groove all the way around, will do that to me sometimes.

Posted on Dec 23, 2009

  • 47 Answers

SOURCE: i have a 2001 chevy tracker and my belt is off .

yes you can move it to the other side of the street. Just dont run it more than a few minutes because without the belt the water pump won't turn. Just be aware that the power steering wont work either in this process so it will be difficult to steer.

Posted on Mar 29, 2010

ftw1952
  • 10319 Answers

SOURCE: mercedes 02 c240 makes clicking noise for 2-3 min when starting

clean all pulleys with a degreaser for glazed pullys will make any belt squeal

Posted on Apr 20, 2010

don_mcleod3
  • 209 Answers

SOURCE: when i start my 2006 chevy silverado its making a squeking noise it sounds like its coming from the belt pullys but im not sure what else could it be

Check the belt tensioner they squeal when they fail due to constant spring pressure on the pulley> if you replace it I would suggest replaceing the belt unless it is new, check the alternator bearings ( spin it by hand with the belt off> they are known to fail)finally clean all pully and make sure the belt is perfectly clean and nothing on it before installing it. NOTE:Never get any grease on a serp belt it will make noise.

Posted on Mar 22, 2012

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