Question about 1996 Jeep Grand Cherokee

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Jeep Engines Will a 1999 4.0 interchange with a 4.0 in a 1996 (Both are Cherokee's) Are the hook ups different on the intake manifold? Any other things that need a modification. Thanks

Posted by fjgang10 on

  • fjgang10 Aug 18, 2008

    Thank You. Have already done the research. Again, Thank You.



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Martin Mark

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Is that a straight six or v-6 and you can just look up parts to see if they take the same part number for the exhaust manifold, front pipe,
motor mounts etc. if so it should be the same or look up jaspar or reman engines and see if they show the same part number for both years. call your local boneyard and ask for the interchange info.
try web site for part info

Posted on Aug 18, 2008


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What year engines interchange with 1996 cherokee

Any similar long block will work, just use your intake and accessories.

Jul 06, 2014 | 1996 Jeep Cherokee


Cheapest Real Power Gain For a Jeep with the 4.0 L6

Hello. If you're anything like me, you're always looking to squeeze a little bit more power out of your ride. Whether it be for racing, comfort, or even safety, more power is always better, especially without sacrificing fuel economy, which we all know is a huge factor.

I have a power improvement secret for all Jeep vehicles prior to 1999 (some up to 06.)

If you replace your factory intake manifold with one from a newer Jeep, bam! you get more power. Here are the specifics:

In 1998, when the standards for fuel efficiency were increasing, and the Grand Cherokee was about to debut its newest generation, something had to be done with the 4.0 inline six cylinder that Jeep used across its lineup. It was not going to meet EPA regulations without some tweakage. So, one of the major points of change was the intake manifold.

This is an actual image from my install. The top intake manifold is off of a 2002 Jeep Grand Cherokee with the 4.0. It has been painted with high-heat black. The bottom one is off of my 1996 Jeep Grand Cherokee with the 4.0. Notice the difference in design. The newer manifold is less angular, allowing more air to enter the engine without getting caught up in the manifold. This free flowing design helps free up a few hidden horsepower. For what I paid ($50,) and the increase I felt (upwards of 8hp,) this is definitely the most cost effective, and little known about modification for increasing power in your Jeep 4.0.

on Jul 10, 2010 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Are any of the parts on a 1997 Jeep Grand Cherokee interchangeable with a 1999 Jeep Grand Cherokee? rear axle,wheels, power-steering, hood hyrdraulics?

A few parts should be interchangeable. Most of them will not be however since the Grand Cherokee underwent a complete re-design for 1999. Some engines and transmissions will switch out. The rear axle in the 97 was commonly a Dana/Spicer 35. This was replaced with a larger rear differential in 1999 for increased towing capacity. The wheels should interchange ok, power steering system was pretty much the same and as long as the hydraulics (supports) on the hood are the same length they should work

Mar 22, 2013 | 1999 Jeep Grand Cherokee

1 Answer

Where is the map sensor located on a 2002 jeep grand cherokee

Check this Jeep information about your engines...
3.7L -The Manifold Absolute Pressure (MAP) sensor is mounted into the front of the intake manifold with 2 screws.
- On the 4.0L six-cylinder engine the MAP sensor is mounted to the engine throttle body. On the 4.7L V-8 engine the MAP sensor is mounted to front of the intake manifold.
- The MAP sensor is located on the front of the intake manifold. An O-ring seals the sensor to the intake manifold.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 10, 2012 | 2002 Jeep Grand Cherokee

1 Answer

I have a 2001 jeep wragler motor is bad i also have a 1994 motor which is good can i install the engine into the 2001?

I'm almost sure it can't be a straight swap, as a '94 would have OBD-1 protocols, and the 2001 would be OBD-2 standards. All your computer and sensor hook-ups would be different.
Check with a salvage yard through their interchange manual, or ask at a Jeep dealership if engines are compatible. It may be possible to use your engine block and head into the '01, and swap the other parts (like the intake manifold, etc.) from the '01 onto that engine. You'll just have to do a little research. Good luck.

Jan 18, 2012 | Cars & Trucks

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My husband purchased a 1993 Jeep for a parts vehicle for my 1999 Jeep Cherokee Sport. This morning I was told by some co-workers that neither the motor or transmission would work. Just wondering if this is...

While some of the components will be the same there will be quite a few others that are different due to changes in technology and designs during the 6 years between the two. I do believe that both have the AW4 transmission and if they are both 4.0l engines then several of the engine components should be the same. The biggest differences tend to be in the electronic controls, sensors, body parts, and control systems.

May 06, 2011 | 1999 Jeep Cherokee

1 Answer

Can I swap a jeep cherokee motor for a jeep grand cherokee motor? they are not the same year

The base engine should be the same in both. What you need to look at is to make sure that the sensors are in the same places and that the sensor plug connections match (some use different pins and different shape plug connectors). The only other item that may not be usable is the exhaust manifold.
Your best source of swap information is your local's their business and they have interchange books that tell them exactly what fits into what. To do that though you need to know what year engines you have.

Nov 07, 2010 | Jeep Cherokee Cars & Trucks

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Need torque specs for a 2001 jeep cherokee intake manifold

Intake manifold using new gaskets. Torque the bolts, in sequence, to 105 inch lbs. (12 Nm)...


Fig. Intake manifold torque sequence-3.7 & 4.7L engines

Hope this help (remember comment and rated this).

May 07, 2010 | 2001 Jeep Cherokee

1 Answer

How to replace the intake manifold? I have a 96 grand cherokee v8, unable to replace the thermostat housing to the manifold because one of the screw holes cracked off on the manifold.

Position The Intake Manifold Gasket On The Engine.Dowels May Be Provided To Hold The Gasket In Place During Manifold Installation.. The Use Of Silicone Sealer Is Required. Especially Where The Front And The Rear Seals Meet The Side Gaskets On V-type Engines. Installing An Intake Manifold On V-type Engines Can Be Difficult. It Is Critical That You Use Sealer Properly On The Engine To Prevent Vacuum,Coolant, And Oil Leaks.

Start All The Fasteners By Hand Before Tightening. This Will Aid In Bolt Hold Alignment. Then Torque The Intake Manifold Fasteners To Specifications. Use The Specific Torque Pattern Given In The Service Manual.. Basically The Pattern Will Be A Crisscross Pattern

Apr 09, 2010 | 1995 Jeep Grand Cherokee

2 Answers

99 Jeep Grand...Idle up and down and now a check engine light

Sounds like an air leak somewhere after the air filter chamber.With engine idling spray some carb cleaner at different areas along the intake hose and the intake manifold,any place air can get in.If rpms change you have found leak.

Jul 07, 2009 | 1999 Jeep Grand Cherokee

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