Source reference 10164752
Manufacturer communication — 2006 GMC YUKON
Relation to the target vehicle
- The source's vehicle field says Yukon; whether it is an XL is not stated.
- The trim (Denali) is not stated.
- Model year
- Match 2006 — Source vehicle field
- Model
- Unknown YUKON — Source vehicle field
- Trim
- Unknown
What the manufacturer’s document says
PIP4158H ・ fault and correction ・ names this vehicle
Applies to
Applies to the 2006 - 2014 GMC Yukon (note: the years run later than the years this service covers).
the passage
GMC Yukon 2006 - 2014
These aluminum V8 engine RPOs are covered: L76, L77, L92, L94, L99, L9H, LC9, LH6, LH8, LH9, LMG, LS2, LS3, LS4, LS7, LS9, LSA, LZ1.
the passage
Following Aluminum V8 Engine RPOs: L76, L77, L92, L94, L99, L9H, LC9, LH6, LH8, LH9, LMG, LS2, LS3, LS4, LS7, LS9, LSA, LZ1
Fault
Customers may complain of low oil pressure, no oil pressure and/or engine noise, possibly with P0521, which may result from a sticking oil pump pressure relief valve.
the passage
Some customers may complain of low oil pressure, no oil pressure, and/or engine noise possible P0521, which may be the result of a sticking oil pump pressure relief valve.
It may be intermittent if the valve frees up when the engine cools down.
the passage
In some instances, this may occur intermittently if the valve frees up when the engine cools down.
Correction
Repair
If SI diagnosis isolates low mechanical oil pressure at the oil filter housing and oil pressure sensor, replace the oil pump and flush the oil cooler lines (if equipped).
the passage
If SI diagnosis isolates low mechanical oil pressure at the oil filter housing and oil pressure sensor, replace the oil pump, flush the oil cooler lines (if equipped).
Clean the inside of the oil pan, change the oil and filter, and re-evaluate the concern.
the passage
Clean the inside of the oil pan, change the oil and filter, and re-evaluate the concern.
Caution
If an engine noise is noticed after replacing the oil pump, follow the SI diagnosis and repair the engine as necessary.
the passage
If an engine noise is noticed after replacing the oil pump, follow the SI diagnosis and repair the engine as necessary.
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
本予備情報通知は、低オイル圧、無オイル圧および/またはエンジン異音を有する車両についてテクニシャンに情報を提供します。テクニシャンはオイルポンプを交換し、オイルクーラーラインをフラッシュする必要があります。 Machine translation (unreviewed)
This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.
Go to this passage in the original
Source
- Source
- NHTSA Manufacturer Communications
- Source reference
- 10164752
- Received by source
- 2019-09-16
- Incident date
- Unknown
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