NHTSA ID Number: 10178295
Manufacturer Communication Number: PIE0559A
Summary
This engineering information (EI) closure ends the need for information from technicians/field in regards to engine oil found under their vehicle.
9 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
CADILLAC | CT4 | 2020 |
| CADILLAC | CT5 | 2020 |
| CADILLAC | CT6 | 2020 |
| CADILLAC | XT4 | 2019-2020 |
| CADILLAC | XT5 | 2020 |
| CADILLAC | XT6 | 2020 |
| CHEVROLET | BLAZER | 2020 |
| GMC | ACADIA | 2020 |
SEOCONTENT-START
Subject: Engineering Information – Engine Oil Found Under Vehicle
This EI has been revised to end the need for information from the field. Please discard PIE0559.
Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Cadillac
XT4 2019 2020 — — Equipped with
2.0L Engine
(RPO LSY)
Equipped with 9
SPD Automatic
Transmission
(RPO M3H)
CT4 2020
–
CT5
XT5
XT6
Chevrolet Blazer
GMC Acadia
If you encounter a vehicle with the above condition, refer to SI for further diagnosis.
Version 2
Modified Released March 11, 2020
June 10, 2020 – Ended the need for further information from the field.
1
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
PIE0559A
- Formulated for engines with 75,000 miles or more, Valvoline MaxLife High Mileage synthetic blend is formulated with seal conditioners to help prevent oil leaks and reduce oil consumption
- Delivers 20% better wear protection and 15% better sludge defense than industry standards to help prevent engine breakdown
- Extra detergents safeguard against friction, corrosion and deposits to keep high-mileage engines clean
- Advanced friction-fighting additives help maximize performance and improve fuel efficiency
- Provides performance benefits for high mileage, new and re-built engines alike
- Mobil 1 advanced full-synthetic motor oil 5W-30 utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness.
- Helps protect critical engine parts for up to 10,000 miles between oil changes,* controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
- Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
- Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
- Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
- Phosphorus Replacement Technology to help extend the life of the emission system
- Reduces leaks, oil burnoff and power robbing deposits
- 15,000 miles between oil changes*
- Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets engine test requirements of Chrysler MS 6395 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A3
- Or one year, whichever comes first
- Advanced protection against the four main causes of engine breakdown: wear friction heat and deposits
- Delivers 40% stronger wear protection than industry standards to reduce friction and improve fuel economy
- Provides 15% better deposit defense vs. industry standards, keeping engines cleaner for smoother performance and longer-lasting protection
- Up to 2.5X better heat protection vs. industry standards to fight harmful sludge formation and thermal breakdown
- Engineered for excellent low-temperature flow, reducing metal-to-metal contact during cold starts — when most engine wear typically occurs
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.