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Search: Posts Made By: RCS1300
Jeep Forums: WK Grand Cherokee & XK Commander Forum   10-03-2021, 06:53 AM
Replies: 3
Views: 592
Posted By RCS1300
One other thought. Before doing any more work...

One other thought. Before doing any more work with your current mechanic ask him how s/he came to the determination that you needed a "valve job among other things". If s/he does not say that s/he...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   10-02-2021, 02:59 PM
Replies: 3
Views: 592
Posted By RCS1300
Need to look at the 2009 overall. The three most...

Need to look at the 2009 overall. The three most expensive components are the engine and transmission and frame. At 172,000 miles I would stand back and evaluate all three of those components. ...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-25-2021, 01:52 PM
Replies: 2
Views: 482
Posted By RCS1300
Do a leak down test on Cylinder #1 to see if it...

Do a leak down test on Cylinder #1 to see if it is just the head gasket or possibly the valves too. That will also give you and indication if anything broke inside of cylinder #1.

If it is just...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-23-2021, 07:57 AM
Replies: 11
Views: 1,461
Posted By RCS1300
For the 4.7L engine 2005 version. I recommend...

For the 4.7L engine 2005 version. I recommend you get the service manual if you want to follow the procedure below with pictures. Below is an excerpt without pictures.

I cannot tell what is...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-23-2021, 07:28 AM
Replies: 11
Views: 1,461
Posted By RCS1300
I replaced the engine heads and timing chains on...

I replaced the engine heads and timing chains on my 4.7 in 2017.

First question - why do you say the P0300 is all on the drivers side?

Second question - are you prepared to do the basics -...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-20-2021, 09:11 AM
Replies: 11
Views: 1,597
Posted By RCS1300
I store mine for 6 spring, summer, early fall...

I store mine for 6 spring, summer, early fall months out of the year. I put it on Jack Stands so the tires do not go out of round and also connect a battery tender on a timer. The timer comes on...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-10-2021, 03:48 PM
Replies: 20
Views: 2,480
Posted By RCS1300
Kidding aside, I am starting to worry about...

Kidding aside, I am starting to worry about finding basic replacement parts for my 2005 as it is now 16 years old.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   09-01-2021, 06:54 AM
Replies: 13
Views: 1,334
Posted By RCS1300
Check your service manual for diagnostic testing...

Check your service manual for diagnostic testing procedures.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   08-05-2021, 12:14 PM
Replies: 4
Views: 655
Posted By RCS1300
See if the squeaking occurs when at idle, not...

See if the squeaking occurs when at idle, not moving, and turning the steering wheel from left to right. I am thinking power steering pump and/or belt tension device and/or serpentine belt.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   07-03-2021, 05:05 PM
Replies: 7
Views: 943
Posted By RCS1300
Make sure you do a diagnostic and know the...

Make sure you do a diagnostic and know the problem before purchasing parts. Rockauto is a good source for these type of parts.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-29-2021, 05:22 AM
Replies: 10
Views: 675
Posted By RCS1300
I agree with a previous poster. Never add...

I agree with a previous poster. Never add Sealant refrigerant - refrigerant that is suppose to seal any leaks. It will not work and likely cost you more money in repairs.

To purchase the...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-26-2021, 06:20 AM
Replies: 4
Views: 478
Posted By RCS1300
A couple of things. The P0300 and P0306 are...

A couple of things. The P0300 and P0306 are trouble codes for engine cylinder misfires. P0306 is cylinder #6 and P0300 is multiple cylinders. The P0300 is not a good sign. The P0117 is coolant...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-22-2021, 02:29 PM
Replies: 2
Views: 521
Posted By RCS1300
Zero pressure on the low side would indicate...

Zero pressure on the low side would indicate there may be a leak in the system that needs to be fixed. Dye or take it to a professional local, trusted mechanic. They will either use dye or a...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-17-2021, 02:48 PM
Replies: 7
Views: 1,119
Posted By RCS1300
Next day.

Next day.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   06-11-2021, 02:38 PM
Replies: 7
Views: 1,119
Posted By RCS1300
I would put some fluorescent dye, for engine oil,...

I would put some fluorescent dye, for engine oil, into the oil, get a black light, run the vehicle for a few days, and check the tail pipe exit, the coolant, and the edges of the oil pan and timing...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   05-22-2021, 02:29 PM
Replies: 11
Views: 1,591
Posted By RCS1300
Lean in both engine banks points to a global...

Lean in both engine banks points to a global issue.

Check you fuel pressure at the rail, if you can. The first thing I would consider is a bad fuel pump and/or fuel pressure regulator.
Jeep Forums: WK Grand Cherokee & XK Commander Forum   04-23-2021, 05:43 AM
Replies: 2
Views: 753
Posted By RCS1300
I would go to kelly blue book. Only you know the...

I would go to kelly blue book. Only you know the maintenance history. Plus, there is the undercarriage rust issue that has to be factored in. The extra parts have no value to someone else, in my...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   03-22-2021, 10:02 AM
Replies: 35
Views: 4,757
Posted By RCS1300
My bet is on a short to ground/rotted wire/rotted...

My bet is on a short to ground/rotted wire/rotted connector. Should not be too hard to diagnose and pin point short with a multi meter.

Huge clue from the Diesel Mechanic - check the power...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   03-20-2021, 08:21 AM
Replies: 7
Views: 800
Posted By RCS1300
I have the 4.7L engine, original owner, 104,000...

I have the 4.7L engine, original owner, 104,000 miles. 19 mpg on highway is about as good as it gets. I agree to check the mechanical condition of the engine with at a minimum a compression test. ...
Jeep Forums: WK Grand Cherokee & XK Commander Forum   03-05-2021, 03:21 PM
Replies: 4
Views: 797
Posted By RCS1300
I replaced my rear calipers with re manufactured...

I replaced my rear calipers with re manufactured mopar units from rockauto
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