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WHERE IS THE DIESEL BLEED SCREW ON 2002 JEEP GRAND CHEROKEE 2.7 CRD SITUATED

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SOURCE: WG Jeep Grand Cherokee Limited workshop service manual.

see if advanced auto, or autozone carrys it

Posted on Feb 04, 2010

ZJLimited
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SOURCE: jeep grand cherokee 2.7 crd

DTC P0243 - Turbo/Super Charger Wastegate Solenoid A
Description: Open or shorted condition detected in the turbocharger wastegate solenoid control circuit.


Here is the flow chart for that code (some images could need to clicking for zoom)...

P0243-WASTEGATE PRESSURE CONTROL PWM

zjlimited_337.gif

For a complete wiring diagram Refer to Section 8W.

When Monitored: When the ignition is on.
Set Condition: The ECM detects an open or short circuit in the Wastegate solenoid circuit.

Possible Causes
DAMAGED WIRING HARNESS OR CONNECTORS
WASTEGATE SOLENOID
(F504) FUSED IGNITION SWITCH OUTPUT OPEN
(K139) WASTEGATE SOLENOID DRIVER CIRCUIT OPEN
(K139) WASTEGATE SOLENOID CIRCUIT SHORTED TO GROUND
(K139) WASTEGATE SOLENOID DRIVER SHORTED TO VOLTAGE
(K139) WASTEGATE SOLENOID DRIVER CIRCUIT SHORTED TO ANOTHER CIRCUIT
ECM
INTERMITTENT CONDITION

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

Diagnostic Test
1. DAMAGED WIRING HARNESS OR CONNECTORS

zjlimited_338.gif

Turn Ignition off.
Disconnect the ECM harness connectors.
Disconnect the Wastegate Solenoid harness connector.

NOTE: Check connectors - Clean/repair as necessary.


Are any wires or pins damaged?

Yes
Repair or replace any damaged wire or connectors.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 2


2. WASTEGATE SOLENOID

zjlimited_339.gif

Reconnect the ECM harness connector.
Reconnect the disconnected Wastegate Solenoid harness connector.
Turn the Ignition on, engine not running.
Disconnect the Wastegate Solenoid harness connector.
Connect an incandescent test light across the supply and driver pins at the Wastegate Solenoid harness connector.

NOTE: The ECM will perform a self check of the circuit after approximately 30 seconds, which should light the incandescent test light.


Does the light illuminate brightly after 30 seconds of being connected?

Yes
Replace the Wastegate Solenoid.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 3


3. (F504) FUSED IGNITION SWITCH OUTPUT OPEN

zjlimited_340.gif

Connect an test light between the Wastegate Solenoid connector Fused ignition switch output circuit and battery negative.
Compare the test light brightness to that of a direct connection to the battery.

Does the light illuminate brightly?
Yes
Go To 4

No
Repair the open (F504) Fused Ignition switch output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).



4. (K139) WASTEGATE SOLENOID DRIVER CIRCUIT OPEN

zjlimited_341.gif

Disconnect the ECM harness connectors.
Measure the resistance of the Wastegate Solenoid driver circuit between the Wastegate Solenoid harness connector and the ECM harness connector.

Is the resistance less than 10 Ohms?
Yes
Go To 5

No
Repair the open (K139) Wastegate Solenoid control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).


5. (K139) WASTEGATE SOLENOID CIRCUIT SHORTED TO GROUND

zjlimited_343.gif

Measure the resistance of the (K139) Wastegate Solenoid driver circuit between the Wastegate Solenoid harness connector and battery negative.

Is the resistance less than 10 Ohms?
Yes
Repair the (K139) Wastegate solenoid circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 6


6. (K139) WASTEGATE SOLENOID DRIVER SHORTED TO VOLTAGE

zjlimited_344.gif

Measure the voltage between the (K139) Wastegate Solenoid driver circuit at the Wastegate Solenoid connector and battery negative.

Is the voltage less than 1 volt?
Yes
Go To 7

No
Repair the (K139) Wastegate solenoid driver shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).


7. (K139) WASTEGATE SOLENOID DRIVER CIRCUIT SHORTED TO ANOTHER CIRCUIT

zjlimited_345.gif

Measure the resistance between the (K139) Wastegate Solenoid driver circuit in the ECM harness connector and all other circuits in the ECM harness connectors.

Is the resistance less than 10 Ohms?
Yes
Repair the (K139) Wastegate solenoid circuit shorted to another circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)


No
Go To8


8. WASTEGATE SOLENOID

zjlimited_346.gif
Reconnect the ECM harness connector.
Reconnect the disconnected Wastegate Solenoid harness connector.
Turn the Ignition on, engine not running.
Disconnect the Wastegate Solenoid harness connector.
Connect an incandescent test light across the supply and driver pins at the Wastegate Solenoid harness connector.

NOTE: The ECM will perform a self check of the circuit after approximately 30 seconds, which should light the incandescent test light.


Does the light illuminate brightly after 30 seconds of being connected?
Yes
Refer to the INTERMITTENT CONDITION Symptom (Diagnostic Procedure).

No
Replace the ECM.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

------------------------------------------------------------------------------------------------------------------------------------------------

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Posted on May 04, 2011

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one car underhood.
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and be a win/win. no more easter egg hunts.
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0b6217cb-a2e2-4346-a713-04b3d35546b0.jpg

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mitchells down>? that it?
welcome to a USA forum.
where dont have 2002 Cherokees, sorry, not a one here.
last one 2001, until 2014. so.... whats up with this post?
but they do in europe. and is our Liberty in drag.
so where are you?, tell that and helpers can look books up in
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this one>?
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here is my wiki paste, so again, where are you.....
the crd was tried back in 80s but is not same engine,then.,

Numerous versions were available in markets outside the U.S. and Canada.
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and
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Am looking for the diesel pump timing on a jeep grand Cherokee 3.0


no year, stated, 1993 to now.
3.0? 2005?
what county?
what year....??

diesels
2.5L not in usa
3.1L not here
3.0 L Mercedes Benz CRD 05 to 2010, ww.,
3.0 L CRD V6 gen 3, 2011 up ww
a.k.a OM642


no job stated ! "just nebula's timing"
no symptoms stated.
or no DTC errors scanned reported !


om642 v6 runs common rail injection
with
The injection system operates at 1,600 bar (23,000 psi),
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scan the PCM yet.
check fuses
change out fuel filters and bleed out air?


here are some CRD Links. (random but on 642 v6)


http://www.jeepforum.com/forum/f67/2007-wk-3-0-crd-80kmi-etc-cel-p0101-p0088-limp-mode-1443093/index2.html


http://www.jeepforum.com/forum/f67/crd-fuel-pressure-problem-2530618/


$1200 pump usa
$2500 Europe Euro Stage 4 Emission ouch.

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Bleed screw location


its on the fuel tree that goes to each cylinder.. it has a plastic screw on cover and under that is a shcrader valve similar to the valve in a tire stem..push in on this while the pump, is on.. wait for all the trapped air to come out..replace the cap and start the vehicle..

Dec 27, 2013 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Need new tail lights on crd 2008 Grand Cherokee, where can I buy them? and ship to Icelnad


did you all jeep:?
call them all and ask for international shipping.
they all have email. , all, google for Jeep dealer, click parts, click email.

Dec 16, 2013 | 2008 Jeep Grand Cherokee

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2002 jeep cherokee 2.5 crd replacement engine but it wont turn over can you help


carefully put a screw driver between the live on the starter and solenoid live with the ignition on if the engine doesn't turn check your earths from battery to chassey and engine are clean and secure

Oct 28, 2013 | 2002 Jeep Grand Cherokee

1 Answer

I need an owners manual in English for JEEP GRAND CHEROKEE LIMITED 2.7 DIESEL CRD from 2002. My email address is folitek@mt.net.mk


You could try
http://www.mauritron2.com/service_manuals.html
or
http://www.mauritron2.com/operating_guides.html
We've used them in the past and found them very good.

Also if it is not listed then ask via the link

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I can't find the fuel filter in my 2008 Diesel Grand Cherokee jeep


take off, the platic cover on engin( CRD), it will be right in the center of the motor

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I need to buy a cambelt for jeep cherokee


check with JCWhitney.com
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