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Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-14-2019, 05:12 PM
Replies: 8
Views: 175
Posted By Walt
I recommend that you test your coils first. The...

I recommend that you test your coils first. The service manual on this forum lists the primary side resistance as 0.6-0.9 ohms and the secondary side as 6,000-9,000 ohms. If they test good, you...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-13-2019, 04:37 PM
Replies: 6
Views: 164
Posted By Walt
OEM plugs should be MOPAR part no. SPRE14MCC4. ...

OEM plugs should be MOPAR part no. SPRE14MCC4.

There is a test on the primary side of the ignition coils (0.58 to 0.68 ohms). It is an easy test for an experienced mechanic. Plug wires have a...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-13-2019, 03:37 PM
Replies: 6
Views: 164
Posted By Walt
Hello peter5992: From what you've provided,...

Hello peter5992:

From what you've provided, the one thing that stands out is the DTC's seem to be on the RHS bank of cylinders. MDS cylinders are on both banks. Try to get specific DTC 's if...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-12-2019, 09:54 AM
Replies: 8
Views: 242
Posted By Walt
1. My '08 has the same display system. "System...

1. My '08 has the same display system. "System OK" does not necessarily mean that it is. DTC's that are pending (i.e., not set) will not illuminate a MIL. There is an entire description of this...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-12-2019, 09:35 AM
Replies: 18,130
Views: 1,722,085
Posted By Walt
...operating on the misguided theory that, if a...

...operating on the misguided theory that, if a little torque is good, a lot is better. :rolleyes:

I specify torque (100 lbf-ft) and watch them do it at the shop.

If questioned, my response...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-11-2019, 06:21 AM
Replies: 4
Views: 200
Posted By Walt
What outcome are you trying to achieve? One...

What outcome are you trying to achieve? One claim is that its installation gives better air-fuel mixing before the charge enters the cylinder. If the engine has multi-port injection (i.e., at the...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-09-2019, 06:56 PM
Replies: 12
Views: 502
Posted By Walt
I'm the original owner of my '08 WK HEMI. ...

I'm the original owner of my '08 WK HEMI. Currently at 194K miles and on the original bushings both F & R. No contra-indications, including dealer powertrain inspections at 5-yr & 10-yr...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-09-2019, 09:50 AM
Replies: 4
Views: 242
Posted By Walt
You'll need an old style brake spoon. This is...

You'll need an old style brake spoon. This is the same type as is used to perform drum-style brake shoe adjustment with a star wheel.

There is a small rubber plug to be temporarily removed and...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-09-2019, 09:32 AM
Replies: 16
Views: 521
Posted By Walt
ACE Hardware; <$10.00; made in U.S.A. IIRC,...

ACE Hardware; <$10.00; made in U.S.A.
IIRC, it is a metric size (14-mm) but it does make the task so much easier.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-09-2019, 06:01 AM
Replies: 7
Views: 332
Posted By Walt
The addition of ethanol to your gasoline will...

The addition of ethanol to your gasoline will also adversely affect the mpg's. Could be in the 5-10% range, depending on how much you put in. Ethanol has a lower heating value than octane, even...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-08-2019, 05:22 PM
Replies: 16
Views: 521
Posted By Walt
Easier if you use a regular Allen wrench for the...

Easier if you use a regular Allen wrench for the fill plug. Just enough room to use it.

Teflon tape on re-install will preclude future removal problems.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-07-2019, 05:52 PM
Replies: 6
Views: 285
Posted By Walt
For the 5.7L Gen 1 HEMI (model year 2008 and...

For the 5.7L Gen 1 HEMI (model year 2008 and earlier):

Champion 570, MOPAR OEM, or NGK equivalent. All will be copper core.
Gap = 0.043"
Torque = 15 ft-lbf.
Change all 16 plugs every 30K...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-07-2019, 03:13 PM
Replies: 6
Views: 288
Posted By Walt
...and check that the emergency brake cable is...

...and check that the emergency brake cable is not rubbing on the driveshaft. Hope it is that simple. :wink2:
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-07-2019, 02:52 PM
Replies: 16
Views: 521
Posted By Walt
Mobil-1 has a 75W-140 synthetic gear lube. Use...

Mobil-1 has a 75W-140 synthetic gear lube. Use ~2 qts per axle. Still need MOPAR friction modifier (4 oz bottle) per axle for QD-II elsd.

CAUTION: When doing the front axle and the transfer...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-07-2019, 02:41 PM
Replies: 46
Views: 2,598
Posted By Walt
No diesels like to be run at no (or very low)...

No diesels like to be run at no (or very low) load for too long. They do best at higher load operation. For cold start, it is best to put a l-o-w load on it to set the rings before allowing it to...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-07-2019, 07:01 AM
Replies: 2
Views: 144
Posted By Walt
To jeep4life101: The DTC readers available...

To jeep4life101:

The DTC readers available at the parts places are very generic and normally display only OBD-II P-codes. Other DTC's, like B-, C-, and U- will not be displayed. they may be...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-06-2019, 05:06 AM
Replies: 46
Views: 2,598
Posted By Walt
When I was buying my HEMI, I thought the engne...

When I was buying my HEMI, I thought the engne was a 426 cu. in. V-8 with cross-ram induction and a torque-flite xmission. The Jeep looked like a funny car by the RAMCHARGERS. :eek: Maybe I...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-04-2019, 07:02 AM
Replies: 2
Views: 183
Posted By Walt
In this site: ...

In this site:

http://wkjeeps.com/wk_brochures.htm

Parts and owners manuals are tabulated by model year. They will not show any revisions or upgrades since initial issue. You'll need to do a...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-01-2019, 07:12 AM
Replies: 24
Views: 608
Posted By Walt
Two things you should be aware of with ethanol: ...

Two things you should be aware of with ethanol:
1. Ethanol has a higher octane rating than octane. So, if the advertised octane rating (of ethanol-laced fuel vs. unaltered fuel) is the same, the...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   05-30-2019, 12:35 PM
Replies: 46
Views: 2,598
Posted By Walt
Get your build sheet using the VIN. There are 2...

Get your build sheet using the VIN. There are 2 main sections on mine: First is standard equipment and second section is factory-installed options. [There is actually a third section for...
Showing results 1 to 20 of 250

 
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