Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerENGINE AND ENGINE COOLING

Relation to the target vehicle

The source's vehicle field includes the trim.

Model year: Match 2006 — Source vehicle field
Model: Match YUKON DENALI XL — Source vehicle field
Trim: Match Denali — Source vehicle field

What the manufacturer’s document says

PI1394 ・ information ・ for GM vehicles in general

Applies to

2015 and prior GM passenger cars and trucks.
the passage
Models: 2015 and Prior GM Passenger Cars and Trucks

Finding the cause

Steps to confirm (in the document’s order)

Take the correct bore and piston specification from the Engine Mechanical Specification in SI.
the passage
Refer to the Engine Mechanical Specification in SI to get the correct bore and piston specification.

Correction

Repair

When installing a piston into a cylinder, use a ring compressor sleeve or equivalent for best results.
the passage
When installing a piston into a cylinder, use a ring compressor sleeve or equivalent for best results.
Choose a sleeve only slightly bigger than the piston diameter and not larger than the cylinder bore diameter.
the passage
Select a size that is only slightly bigger than the diameter of the piston and not larger than the diameter of the cylinder bore.
The sleeve should compress the piston rings smoothly and evenly.
the passage
Sleeve should compress the piston rings smoothly and evenly.

Caution

If a sleeve is not available in the needed size, a universal ring compressor will work but is more difficult to use.
the passage
If a ring compressor sleeve is unavailable in the size you need, a universal ring compressor will work, but is more difficult to use.

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

Communication summary
本予備情報報告書は、ピストン取付けのエンジン修理ヒントを整備士に提供します。 Machine translation (unreviewed)
This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
Go to this passage in the original

Source

Source: NHTSA Manufacturer Communications
Source reference: 10139422
Received by source: 2018-06-04
Incident date: Unknown

Open original text and source Open the provider's page (external)