Are coolant filters a good idea???? - Diesel Bombers



Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old 04-10-2013, 12:29 PM
Diesel Fan
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Default Are coolant filters a good idea????

My next project is to add a coolant gauge to the rig. I am consistantly getting the P0126 code and want a second opponion (compared to the stock gauge). I was looking for ideas regarding where to tap in or splice in the sensor and came accross a suggestion to install a coolant filter.

http://www.dieselsite.com/2003-20076...waterpump.aspx

I dont know that i would go with that setup. I could probably put one together for $60 or less.

I am just wondering If anyone out there thinks this should be on the top 10 mod list.
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Old 04-10-2013, 12:37 PM
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Good chance you need a new AC Delco sensor in the water crossover and/or new thermostats-AC Delco or robert shaw ONLY.
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Old 04-10-2013, 12:48 PM
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I bought two new Delco t-stats. I have not installed them yet. I am still flushing out the coolant. Thank you for the suggestion of the sensor. I had not thought of that. The $20 investment would be easy to make.

ACDELCO Part # 213928 {#15326386} 2-WAY MALE
SENSOR,ENG COOL TEMP CREW CAB; IN WATER CROSS-OVER
SENSOR,ENG COOL TEMP REGULAR CAB; IN WATER CROSS-OVER
SENSOR,ENG COOL TEMP EXTENDED CAB; IN WATER CROSS-OVER

$15.86
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Old 04-10-2013, 11:36 PM
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I personally wouldnt add a coolant filter. if gm didnt put it on there then theres no reason. as long as its changed when its suppose to deposits wont build up in your coolant chambers.but dont use dexcool coolant!
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Old 04-11-2013, 05:26 PM
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Quote:
Originally Posted by detroitdiesel idi View Post
I personally wouldnt add a coolant filter. if gm didnt put it on there then theres no reason. as long as its changed when its suppose to deposits wont build up in your coolant chambers.but dont use dexcool coolant!
I am transitionoing to CAT ECL. I am on the second chemical flush of the system now. After that flush the system with hose water to get teh chemicals out, then drain and refill with distilled water and the ECL.
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Old 04-25-2013, 08:42 AM
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I finshed changing the coolant out and replacing the t-stat. after that the engine temp started reading normal. I guess I had a couple of t-stats stuck open.

Thanks all for the input
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Old 04-25-2013, 10:12 AM
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I run coolant filters on all my vehicles, both diesel and gas.

General maintenance rule of thumb: "Better cooling and filtration is almost never a bad idea."

If GM didn't put it on there it was probably to save few dollars of manufacturing cost.
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Old 04-26-2013, 01:58 AM
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Quote:
Originally Posted by detroitdiesel idi View Post
if gm didnt put it on there then theres no reason.
Quote:
Originally Posted by NadirPoint View Post
If GM didn't put it on there it was probably to save few dollars of manufacturing cost.
GM also didn't install an OPS relay and we all know how those OPS's like to burn up!
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Old 04-26-2013, 08:48 AM
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Quote:
Originally Posted by cviola2005 View Post
GM also didn't install an OPS relay and we all know how those OPS's like to burn up!
They didn't install sheepskin seat covers, either. What's your point?
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Old 04-27-2013, 09:17 PM
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Coolant filters are not needed if the system is flushed and filled with antifreeze and distilled water as directed in the service manual.

Trouble occurs when the PH from tap water is added to the mix-test kits are available from auto parts stores to check the PH and regular pool or hot tub chemicals can be added to correct it.

But flush as directed and replace as directed and you should be good.

More important than regular coolant replacement is cleaning the rad and the space between the rad and any other coolers that are up front-debris collects and severely limits airflow needed to cool and activate the fan clutch.
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