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5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

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quick how to on replacing the thermostat and water pump. remove thermostat housing via 7mm bolt ( 3 ) remove old thermostat clean off facing and apply gasket sealant, and replace with new thermostat next remove the water pump via 10mm bolts ( 2 ) ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 04-10-2009, 08:37 AM
elephantrider's Avatar
Diesel Enthusiast
Status: married

   

Default water pump / thermostat replacement

quick how to on replacing the
thermostat and water pump.

remove thermostat housing via
7mm bolt ( 3 )

Click the image to open in full size.

remove old thermostat

Click the image to open in full size.

clean off facing and apply gasket sealant, and
replace with new thermostat

Click the image to open in full size.

next remove the water pump via 10mm
bolts ( 2 ) - note that it really helps with
access if you remove the airbox if you still
have the oem box

Click the image to open in full size.

try and dry as much antifreeze from the both
facings as well as remove any old gasket
material

Click the image to open in full size.

here is the oem and the replacement - odd thing
i noticed was the the oem pump did not have
a seep hole, but the replacement did.

Click the image to open in full size.

apply gasket sealant to the underside of the
rubber o ring then seat the ring in place. once
that is done apply additional sealant to the top
of the o ring and around the bolt holes just to
be safe, once again ensuring that no sealant
gets on the water pump fins

Click the image to open in full size.

reinstall the water pump with the oem bolts and
reroute the serpentine belt and wah lah your
done.

Click the image to open in full size.

hope this helps some peeps :thumbsup:

elephantrider's Sig:92 club cab le - a turbo, a pin, and a few turns
whiskey tango foxtrot, over
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  #2  
Old 04-10-2009, 08:54 PM
7.3 Cowboy's Avatar
Diesel Wrench
Status: goin' back to a superduty

Zach Tormey
   
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Default

Nice write-up.

7.3 Cowboy's Sig:
2001 F-250 Lariat,CCSB, 4x4, 6spd, Garret 38R, AFE intake, T.S. 6POS chip, Isspro guages, 4'' TBE 6'' tip, boss hog bumper, ceramic coated up pipes, helo maxx 8, 315 70 17 goodyear duratracs, 05 front end, 10 cab lights
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  #3  
Old 04-10-2009, 10:01 PM
wildbill's Avatar
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Status: Being Twisted In the Wind

   
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Was it the original pump, or did you have to change it once before??

Also, where did you notice the leak??

wildbill's Sig:
2006 Ram Cummins
"RAMPAGE"






Last edited by wildbill; 04-10-2009 at 10:03 PM.. Reason: Merge posts
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  #4  
Old 04-11-2009, 10:50 AM
elephantrider's Avatar
Diesel Enthusiast
Status: married

   

Default

Originally Posted by wildbill View Post
Was it the original pump, or did you have to change it once before??

Also, where did you notice the leak??
it was the original pump. when i was on the dealer lot i looked in
the glove box and it had the 1st owners name on some maintenance
records. i cold called him and talked to him for 20 minutes asking
about the truck in detail as far as history and he said that he
neer changed anything out.

looked like it was leaking from the pulley shaft. 1st thing i noticed
was liquid leaking on the driveway and it was all over the a/c
condesor, crank pulley and around that area. just assumed that
it was the water pump, when i took it off you could see coolant
stain in one spot.

also the new thermostat i put in seems sticky. its a 210 degree
stat and the temp gage goes up to 210, then back down below
200, then up to 210 then back down below 200. it cycles that
way constantly now. thinking about taking it off and getting
another one to see if i just got a bad one. carrying the original
around with me just in case it sticks shut.
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  #5  
Old 04-11-2009, 11:35 AM
wildbill's Avatar
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If it's cycling like that, got a faulty t-stat. BTW, don't believe them when they say it's normal.
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  #6  
Old 04-11-2009, 12:46 PM
2500HeavyDuty's Avatar
Super Moderator
Status: Hot pockets?!?! THEY WERE LEAN POCKETS!!

   
Default

wow thats a whole lot easier to to than a dmax

2500HeavyDuty's Sig:01' Dmax Ec/Lb: EFI Live tuned by me, Suncoast stage IV, Banks Intake w/ super scoop, 5" exhaust to 6" Stack, Ported intake Horn, Hybrid FPR, Coated CAC pipes, AirDog 150, Gauges, 35's Mounted on H2's lowered. and a Few more mods.
gt42 up the sleeve

06' Jetta TDI: Bone stock 42MPG @ 80mph.

IT LIVES!!!!


VROOOOOOOOM IM A TIRE
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  #7  
Old 04-11-2009, 01:47 PM
elephantrider's Avatar
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Status: married

   

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Originally Posted by 2500HeavyDuty View Post
wow thats a whole lot easier to to than a dmax

yeah i helped a bud do it on his 03 the first time
and i was very suprised how easy it was.
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  #8  
Old 09-06-2009, 10:13 AM
Newbie

   

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I guess that remove the thermostat housing to replace the thermostat and water pump...



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