Question about 2003 Jeep Grand Cherokee

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Removing a coil rail on a 2003 jeep cheerokee. I removed the rail can't see how the electrical connector snaps in

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Usually the plug has a tab on the back end of the plug, where the wires go in. just push/ squeeze it down and pull the plug. some timesyou have to push the plug towards the coil/sensor, then squeeze and pull.
Randy

Posted on Nov 09, 2010

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2 Answers

How do i change ignition coil number 5 on a 2009 jeep grand cheerokee


Do you know which cylinder is # 5? You will probably have to remove engine cover to see anything. If coil on plug ignition, one coil for each spark plug. on the spark plug coil in question, remove electrical connector from coil, remove hold down bolt from coil, you may have to twist coil to get boot loose from spark plug.
What is liter size of engine?

This is for 4.7 L engine. It appears jeep rwd has odd and even banks like GM and Chrysler. 1357 for driver side bank. 2468 from front to back on passenger side bank.

Nov 05, 2016 | 2009 Jeep Grand Cherokee

1 Answer

03 3.7 have new o rings for bottom of injectors do you put it on the head first or on the injector just put head gaskets on jeep


old post but see it asked many times.
assemble the rail first, its 1 piece so must be ready first.
3.7L Engine (FSM) RTM?
(1) If fuel injectors are to be installed, refer to Fuel
Injector Removal/Installation.
(2) Clean out fuel injector machined bores in
intake manifold.
(3) Apply a small amount of engine oil to each fuel
injector o-ring. This will help in fuel rail installation.
(4) Position fuel rail/fuel injector assembly to
machined injector openings in cylinder head.
(5) Guide each injector into cylinder head. Be careful
not to tear injector o-rings.
(6) Push right side of fuel rail down until fuel
injectors have bottomed on cylinder head shoulder.
Push left fuel rail down until injectors have bottomed
on cylinder head shoulder.
(7) Install 4 fuel rail mounting bolts and tighten.
Refer to torque specifications.
(8) Install 6 ignition coils. Refer to Ignition Coil
Removal/Installation.
(9) Connect electrical connectors to throttle body.
(10) Connect electrical connectors at all fuel injectors.
To install connector, refer to (Fig. 37). Push connector
onto injector (1) and then push and lock red
colored slider (2). Verify connector is locked to injector
by lightly tugging on connector.
(11) Connect necessary vacuum lines to throttle
body.
(12) Connect fuel line latch clip and fuel line to
fuel rail. Refer to Quick-Connect Fittings.
(13) Install air box to throttle body.
(14) Install air duct to air box.
(15) Connect battery cable to battery.
(16) Start engine and check for leaks.

Oct 07, 2014 | Jeep Cars & Trucks

1 Answer

Vehicle will not start after changing the upper intake manifold.


You should not have to bleed the fuel system. If everything is functioning properly it should bleed the air automatically just by cranking over for a few seconds. is it possible you left an electrical connector unplugged? It sounds like maybe the injector harness or one of the coil connectors is not plugged in. I would check all the connectors you can to make sure they are plugged in and fully seated.

Jul 04, 2014 | 2003 Pontiac Grand Prix

1 Answer

How do I remove the ECOTec 2.2 panel to get to the plugs


the cutie pie plastic panel on top of motor, ah unscrew it?
the FSM cover this step by step. (i think there is no cutie cover)
or alldata.com
some just say remove the cover , knowing the shop mech, can see the screws. if it snaps off, they might say that in the book.
think about that, if there are no screws, how would it attach./?
yes, snaps.
ah the spark rail.
alldata.colm
ign coil housing replacement.?

steps.
Disconnect the EI module harness connector.
Remove the ignition coil housing attachment bolts and remove the ignition coil housing.
with boots.
see the 4 bolts on to in plain sight? those.
then gently pry it up. so as not to break all this weak plastic bs.
put back with dielectric great as the FSM states.
or next time, comes off will fail.





Jun 24, 2014 | 2004 Chevrolet Malibu

1 Answer

How do you remove the coil rail on a 2001 jeep wranler 4 ltr.engine


The coils just unbolt then disconnect the coils connectors and gently wiggle and pull up to remove it.

Oct 09, 2012 | Cars & Trucks

1 Answer

How to install a fuel injector on a 2002 jeep liberty 3.7


so that mean the old one is all ready removed.?
or did you mean all steps in the fsm for INJECTOR.
the steps are the same on all EFI fuel rail injectors.
you could google that or you tube it or read the FSM.

hide call keys from step 2 on, or very bad things can happen.
(wife or kids no aware of danger)
ill just cover the (basics)
1: per FSM , depressurize the system, in can be at 60PSI
parked. so avoid fuel in eyes, or a fire. we do that first.
gain access to rail under failure. (RUF) (no barking)
2: remove injector X , wire plug. (failing)
3: then detach the injector rail clamps the both rails off as one....
injector are all now loose, to pull off.
4: add new seals to new injector, and install in reverse order.

that's it, only the gain access , varies,... mostly.

last depressure steps:
run engine,
remove fuel pump relay, engine stalls. key off, hide keys
!

next tje FSM words (just the OFF section)

  1. Remove fuel tank filler tube cap.
  2. Perform Fuel System Pressure Release Procedure.
  3. Remove negative battery cable at battery.
  4. Remove air duct at throttle body air box.
  5. Remove air box at throttle body.
  6. Disconnect fuel line latch clip and fuel line at fuel rail. A special tool will be necessary for fuel line disconnection.
  7. Remove necessary vacuum lines at throttle body.
  8. Disconnect electrical connectors at all 6 fuel injectors. Push red colored slider away from injector. While pushing slider, depress tab and remove connector from injector. The factory fuel injection wiring harness is numerically tagged (INJ 1, INJ 2, etc.) for injector position identification. If harness is not tagged, note wiring location before removal.
  9. Disconnect electrical connectors at throttle body sensors.
  10. Remove 6 ignition coils.
  11. Remove 4 fuel rail mounting bolts.
  12. Gently rock and pull left side of fuel rail until fuel injectors just start to clear machined holes in cylinder head. Gently rock and pull right side of rail until injectors just start to clear cylinder head holes. Repeat this procedure (left/right) until all injectors have cleared cylinder head holes.
  13. Remove fuel rail (with injectors attached) from engine.
end expert.

alldata.com
login and read all steps. that be best , then ask questions?

Jan 02, 2012 | 2002 Jeep Liberty

2 Answers

How do I replace a coilpac on a 1998 for f150?


They are usually bolted down with a 8mm bolt. Remove that bolt, unplug the connector and pull out the coil pack and boot. Some Fords you'll need to remove the fuel rail to get the coil packs out.

Oct 20, 2010 | 1998 Ford F150 Regular Cab

1 Answer

Remove tailight assembly from 2003 jeep grand cheerokee


open the lift gate. look on the side that you are taking off. there should be two phillips head screws holding on a small bracket. remove them. next gently pull on the tail light assembly. once loose unplug the wiring harness and you are done. installation is reverse of removal.

Feb 13, 2010 | 2004 Jeep Grand Cherokee

1 Answer

Dont know how to take master cylinder off to replace coil pack


You shouldn't have to remove it....here are the steps from the tech manual:

Removal & Installation
  1. Disconnect the negative battery cable.
  2. Label and disconnect the spark plug wires from each of the coil pack towers.
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Ignition coil removal—2.4L engine

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Ignition coil removal—3.3L and 3.8L engines


  1. Disengage the electrical connector from the ignition coil pack.
  2. Remove the coil pack mounting fasteners.
  3. Remove the coil pack from the vehicle. If equipped, remove the coil pack from the mounting bracket.
To install:
  1. Place the coil pack into position on top of the engine valve cover, or mounting bracket, if equipped.
  2. Install and tighten the coil pack mounting fasteners to 9 ft. lbs. (12 Nm).
  3. Plug in the electrical connector to the ignition coil pack.
  4. Connect each spark plug wire to each corresponding coil pack tower. The coil pack towers are numbered with the correct cylinder identification. Be sure that the spark plug wires snap firmly onto each coil tower.
  5. Connect the negative battery cable.

Jan 18, 2010 | 2001 Chrysler Voyager

1 Answer

How to change fuel injectors in a 2000 jeep grand cherokee laredo 4.7L V-8


Hi, you have to remove the fuel rail and then remove the electrical connector and then there is a clip that holds the injector to the fuel rail remove that clip and then remove the injector

Nov 10, 2009 | 2000 Jeep Grand Cherokee

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