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Source reference 2005-02-51

Manufacturer communication — 2003 GMC FULL SIZE UTILITIES (YUKON)

Reporter type: Manufacturer

Vehicles as recorded

What the manufacturer’s document says

normal characteristic (no repair) ・ names no model (for full-size utilities)

Applies to

  • Applies to 2003-05 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Utilities with RPO UM8.

    the passage
    This information applies to 2003-05 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Utilities with RPO UM8.

Fault

  • Customers may comment on a hum or fan running type noise from the navigation radio.

    the passage
    Customers may comment of a hum or fan running type noise from the navigation radio.

Finding the cause

Possible causes

  • The navigation radio has an internal cooling fan to cool its internal components.

    the passage
    The navigation radio has an internal cooling fan to cool the radio's internal components.

Correction

Caution

  • This sound is normal.

    the passage
    This sound is normal.

What is needed

Parts and materials
Not stated
Labor time
Not stated
Special tools
Not stated
Scan tool
Not stated

Only what the technical documents state. "Not stated" does not mean not needed.

Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.

Stated content

  1. Communication summary

    ナビゲーションラジオのハム音 この情報は、RPO UM8 を装着した 2003-05 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Utilities に適用される。 ユーザーから、ナビゲーションラジオからのハム音、またはファンが回っているような音について指摘があることがある。 この音は正常である。 ナビゲーションラジオには、ラジオの内部部品を冷却するための内蔵冷却ファンがある。 Machine translation (unreviewed)

    Navigation Radio Hum This information applies to 2003-05 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Utilities with RPO UM8. Customers may comment of a hum or fan running type noise from the navigation radio. This sound is normal. The navigation radio has an internal cooling fan to cool the radio's internal components.
    Go to this passage in the original

Source

Source
GM TechLink
Source reference
2005-02-51
Received by source
2005-02-01
Incident date
Unknown

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