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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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Old 09-16-2005, 12:01 PM
1COOLH3 1COOLH3 is offline
 
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Location: Okemos Michigan
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Buzz or Rattle Noise While Driving Under Load from the Exhaust - keywords 3.5L heat L52 nut RPM shield #PIT3475B - (Sep 15, 2005)
Buzz or Rattle Noise While Driving Under Load from the Exhaust
2004-2006 Chevrolet Colorado Pick Up

2004-2006 GMC Canyon Pick Up

2006 Hummer H3

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
Buzz noise from the engine compartment or exhaust area. This may occur while the engine is under load or driving with the RPMs between 2200 and 2800 under load. The noise may also sound like it is coming from the air cleaner area. This concern only applies to the L52 3.5L engine.

Recommendation/Instructions:
Buzz noise from the engine compartment or exhaust area. This may occur while the engine is under load or driving with the RPMs between 2200 and 2800 under load. The noise may also sound like it is coming from the air cleaner area. This concern only applies to the L52 3.5L engine.

Secure the nut above the O2 sensor.
Secure the nut on the #1 exhaust tube.
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  #2  
Old 09-16-2005, 12:01 PM
1COOLH3 1COOLH3 is offline
 
Join Date: Sep 2005
Location: Okemos Michigan
Posts: 139
1COOLH3 is off the scale
Default

Buzz or Rattle Noise While Driving Under Load from the Exhaust - keywords 3.5L heat L52 nut RPM shield #PIT3475B - (Sep 15, 2005)
Buzz or Rattle Noise While Driving Under Load from the Exhaust
2004-2006 Chevrolet Colorado Pick Up

2004-2006 GMC Canyon Pick Up

2006 Hummer H3

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
Buzz noise from the engine compartment or exhaust area. This may occur while the engine is under load or driving with the RPMs between 2200 and 2800 under load. The noise may also sound like it is coming from the air cleaner area. This concern only applies to the L52 3.5L engine.

Recommendation/Instructions:
Buzz noise from the engine compartment or exhaust area. This may occur while the engine is under load or driving with the RPMs between 2200 and 2800 under load. The noise may also sound like it is coming from the air cleaner area. This concern only applies to the L52 3.5L engine.

Secure the nut above the O2 sensor.
Secure the nut on the #1 exhaust tube.
Reply With Quote
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