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Related Medium and Heavy Trucks Questions
I have a 2001 mack ch 613 the gear on the accessory drive
i have a 2001 mack ch 613 the gear on the accessory drive for the oil pump has moved over causing oil preasure loss. is there a set screw holding it in place.if not how do i repair … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 1996 Mack e7 454 engine i have to replace cylinder
i have 1996 Mack e7 454 engine i have to replace cylinder sleeves, the old ones had o-rings on the top this one has no o-rings and they say i'm suppose to use silicone is this right or did the dealer … read more
Mikael
Mikael
Bachelor's Degree
150 satisfied customers
Im trying to find a trouble shooting code for Rack Position
Im trying to find a trouble shooting code for Rack Position Sensor -Voltage above normal or shorted to high SID 24, FMI 3 … read more
Mike Mcmillan
Mike Mcmillan
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We have a Mack e7 1994. Someone removed injection pump and
We have a Mack e7 1994. Someone removed injection pump and we are installing a new one. And trying to get the engine timed they did not time engine before they removed engine and it has a rear timing … read more
Mike Mcmillan
Mike Mcmillan
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Mack 1995 E7 engine, manual inj. Pump, have the a- light for
Mack 1995 E7 engine, manual inj. Pump, have the a-b light for the pump, but what is the actual engine timing for the pump position, tdc?… read more
Roy Belding
Roy Belding
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I am removing fuel injection pump from a 93-mack E7-400.
I am removing fuel injection pump from a 93-mack E7-400 . brought it close to #1 tdc to line up slot mark on pump. Is that all I have to do to remove frt gear and pump? … read more
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Mike Mcmillan
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Got an engine out of a mack truck. we believe its a 1995
Steve, got an engine out of a mack truck. we believe its a 1995 mechanical fuel injection system E7 engine re installing rebuilt fuel pump Looking for the correct timing procedure. I have no. 1 cylinder on compression stroke. I do have a j37077 kent moore timing tool. Question is what degrees BTDC do I put the crank at before I install the pump … read more
Daniel Wilson
Daniel Wilson
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Installing fuel injector pump on 1995 mack E7 350 mechanical
Installing fuel injector pump on 1995 mack E7 350 mechanical pump. My question is how to time the injector pump. … read more
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Mike Mcmillan
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1993 Mack e7 300 engine looses fuel prime to first filter
1993 Mack e7 300 engine looses fuel prime to first filter have replaced lift pump, spring was brke in old pump but still loosing fuel to first filter … read more
Mike Mcmillan
Mike Mcmillan
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It's been sitting up and won't start. New fuel and filters
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Where is the fuel return shut off on an E7 98 model Mack. It
Where is the fuel return shut off on an E7 98 model Mack. It won't keep a prime. … read more
Curtis B.
Curtis B.
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I have a E7 427 mack with elec fuel pedale, it run rough and
i have a E7 427 mack with elec fuel pedale, it run rough and smoke white and blue , injector seem fine advance timming selenoide had a broken Oring … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Does the static timing change on mack e7? I took a semi electronic
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Jeremy
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GA-RP mack e7-350 2000 year model replaced fuel injection pumps (6) no
mack e7-350 2000 year model replaced fuel injection pumps (6) now have fuel in crankcase (3) pumps were bad… read more
Wayne
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How do you change bosch fuel injection pump on mack e7 427
How do you change bosch fuel injection pump on mack e7 427 . One of mine is leaking but still runs good. Paul… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I HAVE A 1995 MACK CH613 TACTOR WITH A E7 MOTOR NOT GETTING
I HAVE A 1995 MACK CH613 TACTOR WITH A E7 MOTOR NOT GETTING ANY HEAT IN CAB REPLACED WATER PUMP,THEMOSTAT,HEATER CORE AND RADIATOR CAP AND ALSO TEMP SENSOR… read more
Pete
Pete
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General auto certifications
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i have 1994 mack with e7 454 driving it cuts out i have to
i have 1994 mack with e7 454 driving it cuts out i have to turn key off and on several times to get it going sometimes it runs all day without a problem other days constant problems anybody got a clue… read more
Expert
Expert
My Oil LevelI going Up on my dip stick And My Antifreeze Looks
My Oil LevelI going Up on my dip stick And My Antifreeze Looks Like a Wiskie bColor To It But Nether Smell Likre Deisel What Might it Be… read more
Cat Man
Cat Man
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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