{"id":693,"date":"2026-06-30T08:30:35","date_gmt":"2026-06-30T12:30:35","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2012-gmc-savana-4500-6-6l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-06-30T08:30:35","modified_gmt":"2026-06-30T12:30:35","slug":"2012-gmc-savana-4500-6-6l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2012-gmc-savana-4500-6-6l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2012 GMC Savana 4500 6.6L Diesel Maintenance Guide: Oil & Filter Specs"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 2012 GMC Savana 4500 equipped with the 6.6L 8-cylinder LGH M Diesel Turbo engine, the oil capacity is 10 quarts (including filter replacement). The preferred viscosity for temperatures above -18\u00b0C is SAE 15W-40, though 5W-40 is recommended for all temperatures when ambient conditions fall below 0\u00b0F (-18\u00b0C) to improve cold starting. AMSOIL recommends using Signature Series 15W-40 Max-Duty Diesel Oil<\/a> (DMEQT-EA<\/a>) paired with an AMSOIL Oil Filter<\/a> (EAO52-EA<\/a>).<\/p>\n

What oil does a 2012 GMC Savana 4500 6.6L Diesel take?<\/h2>\n

This vehicle requires an engine oil with a CJ-4 specification. For standard operating temperatures above -18\u00b0C (0\u00b0F), SAE 15W-40 is the preferred viscosity. However, if you are operating in environments where ambient temperatures regularly drop below 0\u00b0F (-18\u00b0C), AMSOIL recommends using 5W-40 to ensure improved cold starting performance.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the specific requirements for the 6.6L LGH M Diesel engine, AMSOIL provides several high-performance lubrication and filtration options to support heavy-duty commercial use.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n15W-40<\/a><\/td>\nDMEQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Heavy-Duty Synthetic Diesel Oil<\/td>\n15W-40<\/a><\/td>\nADPQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Specification:<\/strong> CJ-4<\/p>\n

Oil Filter Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO52-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n57202XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n57202-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Transmission Fluid<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/th>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
ATF<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
ATF<\/td>\nAMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n
Oil Grade\/Spec<\/td>\nCJ-4<\/td>\n<\/tr>\n
Preferred Viscosity (> -18\u00b0C)<\/td>\n15W-40<\/td>\n<\/tr>\n
Cold Weather Viscosity (< -18\u00b0C)<\/td>\n5W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

How much oil does it take with a filter change?<\/h3>\n

The total capacity for the 6.6L engine is 10 quarts when including the replacement of the oil filter. It is essential to check the oil level after refilling to ensure accuracy.<\/p>\n

Engine Oil Details and Torque Specs<\/h2>\n

When performing maintenance on the 2012 GMC Savana 4500, adhering to specific torque values is critical for preventing leaks or damage to the oil pan.<\/p>\n

\n\n\n\n\n
Component<\/th>\nSpecification<\/th>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n18 ft\/lbs<\/td>\n<\/tr>\n
Total Oil Capacity<\/td>\n10 quarts (with filter)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant System Capacities<\/h2>\n

The coolant capacity for this vehicle varies depending on the heater and air conditioning configuration installed. Always verify your specific setup before refilling.<\/p>\n

\n\n\n\n\n\n\n
Configuration<\/th>\nCapacity<\/th>\n<\/tr>\n
FR Heater or AC only<\/td>\n21.1 quarts<\/td>\n<\/tr>\n
FR & RR Heater or AC + FOH<\/td>\n23.7 quarts<\/td>\n<\/tr>\n
FR & RR Heater or AC only<\/td>\n22.7 quarts<\/td>\n<\/tr>\n
FR Heater or AC + FOH<\/td>\n22.1 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid (6L90)<\/h2>\n

For vehicles equipped with the 6-speed 6L90 automatic transmission, proper fluid levels are vital for smooth shifting and heat management.<\/p>\n

\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n6.3 quarts<\/td>\n<\/tr>\n
Total Fill<\/td>\n12.4 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Common diesel oil-related concerns and how AMSOIL products may help<\/h2>\n

Diesel engines face unique stresses including soot loading and extreme temperature fluctuations. The following table outlines how specific AMSOIL products can support your maintenance needs.<\/p>\n

\n\n\n\n\n\n\n
Concern<\/th>\nWhy it matters<\/th>\nAMSOIL Product<\/th>\nHow it may help<\/th>\nLimitation<\/th>\n<\/tr>\n
Engine Wear<\/td>\nHigh-pressure diesel environments cause friction.<\/td>\nDMEQT-EA<\/a><\/td>\nDelivers up to 6X more wear protection.<\/td>\nRequires regular oil changes.<\/td>\n<\/tr>\n
Cold Starting<\/td>\nThick oil can hinder startup in freezing temps.<\/td>\n5W-40 Viscosity options<\/td>\nImproves cold starting below 0\u00b0F.<\/td>\nNot a substitute for engine repair.<\/td>\n<\/tr>\n
Contaminants<\/td>\nSmall particles can cause abrasive wear.<\/td>\nEAO52-EA<\/a><\/td>\n99% efficiency at 20 microns.<\/td>\nMust be replaced per interval.<\/td>\n<\/tr>\n
Transmission Heat<\/td>\nHeavy towing increases fluid temperature.<\/td>\nATLPK-EA<\/a><\/td>\nWithstands rigors of heavy towing.<\/td>\nDoes not repair leaks.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Diesel maintenance notes for this vehicle<\/h2>\n