When to shut off a Mack truck engine?
CAUTION Shutting off an engine immediately after high speed or full load operation can damage the turbocharger and cause heat stress in the engine. Always let the engine idle for 3 to 5 minutes before shutting it off. MACK Trucks, Inc. does not recommend the use of winterfronts, shutters or any other shield in front of the grille or radiator
How does a MP7 semi truck engine work?
The waves in the piston bowl redirect flames in the combustion chamber to utilize all available oxygen for a cleaner and more complete burn than standard diesel pistons. This direct injection system delivers ultra-precise control over fuel injection pressure, timing and volume. The result is more power and efficiency, with less engine noise.
When did the Mack diesel engine come out?
MACK MP7 DIESEL ENGINE JULY 2009 (REVISED) 5-114 MACK®MP7 DIESEL ENGINE SERVICE MANUAL (’07 EMISSIONS REGULATIONS) MACK®MP7 DIESEL ENGINE SERVICE MANUAL (’07 EMISSIONS REGULATIONS) JULY 2009 (REVISED — SUPERSEDES ISSUE DATED JANUARY 2009) © MACK TRUCKS, INC. 2009 ENGINE 5-114
How does the Mack semi engine improve fuel economy?
Mack’s innovative wave piston design delivers 2% improvement in fuel economy and 90% reduction in soot. The waves in the piston bowl redirect flames in the combustion chamber to utilize all available oxygen for a cleaner and more complete burn than standard diesel pistons.
When to check coolant tem on Mack truck?
If the temperature remains below or exceeds the normal temperature range, the cooling sys- tem should be checked for problems by an authorized Mack Vehicle dealer. When coolant temperature is excessive, the red STOP tell-tale illuminates and the buzzer will sound. The engine is at risk and the ECM may derate the engine power.
What should the oil pressure be on a Mack MP7?
The normal operating oil pressure for a Mack MP7™ engine (at governed speed) is 275.8 – 620.5 kPa (40 – 90 psi). At idling speed, the oil pressure should be 275.8 – 413.9 kPa (40 – 60 psi). Should the oil pressure drop suddenly from the normal readings, stop the engine immediately and determine the cause.
What kind of oil does a Mack truck use?
Engine Oil EO-O Premium Plus (or VDS-4) diesel engine oil is mandatory for use in all 2017 emission compliant MACK engines. Chas- sis equipped with a 2017 emission compliant engine, which can be identified by the presence of an aftertreatment selective catalytic reduction (SCR) system, also require the use of Ultra Low Sulfur Diesel (ULSD) fuel.
Always let the engine idle for 3 to 5 minutes before shutting it off. Mack Trucks, Inc. does not recommend the use of winterfronts, shutters or any other shield in front of the grille or radiator package under normal circumstances.
What kind of fuel do Mack Trucks use?
The only biodiesel fuel approved by MACK Trucks, Inc. for use in MACK Engines is soy methyl ester (SME or SOME) in blends up to B20 concentration (20% blend). Note: Although higher concentrations are available, concentration up to B20 (maximum) are the only blends currently ap- proved by MACK Trucks, Inc. Greenhouse Gas 2017
Can you use bio diesel in Mack Trucks?
Use of fuel additives to compensate for the lower sulfur content is NOT recommended by MACK Trucks, Inc. Fuel sold for use in diesel-powered engines for 2006 and later model year vehicles may only contain a maximum sulfur con- tent of 0.0015% by weight. This was done to reduce particle emissions in the exhaust. Bio Diesel
What causes poor fuel mileage in a Mack truck?
A sticky VGT turbo, a bad boost pressure sensor or a problem with your EGR valve/ flow sensor can cause poor MPG. My buddies 505 plus CHU with 3.21 gears more or less idles down the interstate at 1250 rpm.
What kind of sensor does a Mack truck use?
MACK is now using the ambient air temperature (AAT) sensor for on board diagnostic (OBD) monitoring. If a customer in- stalls a winterfront or blocks the radiator opening and blocks airflow to the sensor, they will likely set an OBD diagnostic trouble code (DTC) for inaccurate sensor data due to restricted airflow across the sensor.
What does OBD diagnostic trouble code mean for Mack truck?
If a customer in- stalls a winterfront or blocks the radiator opening and blocks airflow to the sensor, they will likely set an OBD diagnostic trouble code (DTC) for inaccurate sensor data due to restricted airflow across the sensor. Mack Body Builder Instructions CHU]
What kind of fuel does a Mack truck use?
CAUTION Diesel engines for 2006 and later model year vehicles are designed to operate only with ultra low sulfur diesel (ULSD) fuel. Use of fuel other than ULSD will reduce the efficiency and durability of the engine, permanently damage the advanced emission control systems, reduce fuel economy and possibly prevent the engine from running at all.
What are the body builder instructions for a Mack truck?
Mack Body Builder Instructions CHU, CXU, GU, TD, MRU, LR USA139046859 Date 5
Where can I find information about Mack Trucks?
Most of the information is taken from the Mack history page at MackTrucks.com, unless otherwise noted. Mack truck used to carry ore at the Acosta Mine Museum in Real del Monte, Hidalgo State, Mexico. The Hale 100-inch mirror for Mount Wilson Observatory on its way up the Mount Wilson Toll Road on a Mack truck in 1917.
Which is better Volvo D13 or Mack MP8?
Plus, the Volvo I-Shift is a perfectly intelligent partner for the D13. It’s constantly sensing the grade, your speed, your weight, and your engine load—all of this information allows it to execute the optimal shift. On the other hand, you’ve got the Mack MP8 engine—an impressive semi-truck powerplant in its own right.
How long to crank engine in Mack truck?
CAUTION DO NOT crank the engine for more than 30 seconds at a time; wait 15 minutes after each try to allow the starter to cool. Failure to follow these instructions could cause starter damage.