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-   -   Changing sparkplugs on the 4.0 Pacifica (https://www.chryslerforum.com/forum/chrysler-pacifica-15/changing-sparkplugs-4-0-pacifica-5338/)

SARG 04-13-2008 07:02 AM

Changing sparkplugs on the 4.0 Pacifica
 
Looking at the configuration of the motor I realize there must be "tricks of the trade" needed when changing these plugs.

Could those guys experienced in these techniques please share them ?

mrfixit454 04-13-2008 12:19 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
On the 3.5, I have heard the intake manifold has to come off. I have never done this maintenance yet. It might be the same for the 4.0

indept 04-13-2008 03:51 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 

ORIGINAL: mrfixit454

On the 3.5, I have heard the intake manifold has to come off. I have never done this maintenance yet. It might be the same for the 4.0
OUCH. Can't you get to them from underneath?

jamie1 04-13-2008 05:32 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
The upper intake MUST be removed. The plugs are platinum and are generally good for 100,000miles.

indept 04-14-2008 11:07 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
Just sounds like a bad design to me[:'(]

levistar 04-15-2008 12:28 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
Lots of engines use this design now,not just chrysler. Compact engine compartments,low hood lines need this.

moe 04-15-2008 08:54 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
hey bud,the cover needs to come off to get those back plugs,heres what the say...
When the spark plug has a single or double platinum tip, the recommended service life for normal driving conditions per schedule A in this manual is 100,000 miles (161 000 km). The spark plugs have a recommended service life of 75,000 miles (121 000 km) for severe driving conditions per schedule B in this manual. A thin platinum pad is welded to both or just the center electrode end(s) as shown in.moe

SARG 04-16-2008 06:32 AM

RE: Changing sparkplugs on the 4.0 Pacifica
 
Thanks Moe........ I guess I've got a couple years before I need worry !

moe 04-16-2008 03:21 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
yes

moe 04-16-2008 03:21 PM

RE: Changing sparkplugs on the 4.0 Pacifica
 
yes sir!;)


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