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Unread 01-20-2011, 04:22 PM   #1
INKUBUS
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big o little problem??

i have this problem, its a amc 150, i change the head gasket but the problems continued any comments??? i saving for a 4.0
block? head cracked? normal??
thanks all


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Unread 01-20-2011, 04:30 PM   #2
Mike Romain
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Condensation happens in an engine every time you shut it down or start it up from the temperature changes. Engines have a thermostat in them to make sure they warm up reasonably fast so this condensation will evaporate from heat. If the t-stat isn't working or you just do lots of short drives, the condensation doesn't burn off and can cause that milky stuff. Short drives are considered 'severe service' as far as oil changes are concerned.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Unread 01-20-2011, 08:51 PM   #3
INKUBUS
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Quote:
Originally Posted by Mike Romain View Post
Condensation happens in an engine every time you shut it down or start it up from the temperature changes. Engines have a thermostat in them to make sure they warm up reasonably fast so this condensation will evaporate from heat. If the t-stat isn't working or you just do lots of short drives, the condensation doesn't burn off and can cause that milky stuff. Short drives are considered 'severe service' as far as oil changes are concerned.

OK. only drive my jeep for 15 minutes from home to job, the oil its changed 1 month ago, the last year i run my engine without thermostat but in december 2010 use a thermostat of 160 f and that problem beginng.
what need to do?
thanks and sorry for my poor english
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Unread 01-21-2011, 12:54 PM   #4
Mike Romain
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I would go with a proper 195 thermostat so it warms up proper.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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Unread 01-21-2011, 01:41 PM   #5
INKUBUS
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Quote:
Originally Posted by Mike Romain View Post
I would go with a proper 195 thermostat so it warms up proper.
i used when the problem started, and later change to a 160 thermostat, but the problem continued
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Unread 01-21-2011, 01:45 PM   #6
Bakunin
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160 is too cool.

go with the stock 195. they engineered the engine to run at 195.
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Unread 01-21-2011, 02:05 PM   #7
INKUBUS
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Quote:
Originally Posted by Bakunin View Post
160 is too cool.

go with the stock 195. they engineered the engine to run at 195.
this problem starts when i use the 195 before that i not use any thermostat and any problem appears
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Unread 01-21-2011, 11:47 PM   #8
INKUBUS
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Quote:
Originally Posted by INKUBUS View Post
this problem starts when i use the 195 before that i not use any thermostat and any problem appears
ok i forgot my egr system is not working because the egr valve leak.
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Unread 02-14-2011, 10:50 PM   #9
INKUBUS
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the problem continued

ok i change the cylinder head, and check the block engine and the problem continued, my egr valve is not working and i not have termostat any comments???
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Unread 02-14-2011, 11:24 PM   #10
lanecj5
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If you changed the head gasket and you checked the head for cracks and cyl walls for cracks etc. So if all is good there.I would pull the oil pan and clean it out completely.Get the gunk out of the pan..maybe use engine flush for a one minute cycle then drain. Pull the pan and wipe the pan out;clean with brake cleaner;Get it very clean.Put in fresh oil and change the filter.If you haven't cleaned the pan it will always be there because as you drain the oil it sticks to the walls of the pan.My 2 ents...Thanks,Mike
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Unread 02-15-2011, 06:19 AM   #11
Mike Romain
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Quote:
Originally Posted by INKUBUS View Post
ok i change the cylinder head, and check the block engine and the problem continued, my egr valve is not working and i not have termostat any comments???
I would put the proper thermostat in it and just be sure to drive it on the highway once in a while to fully heat it up so all the condensation evaporates away.

That milky stuff is normal for an engine that only sees short runs and is the reason short runs are considered 'severe service' for oil change intervals. Highway driving is 'normal' service.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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Unread 02-27-2011, 06:34 PM   #12
INKUBUS
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Quote:
Originally Posted by Mike Romain View Post
I would put the proper thermostat in it and just be sure to drive it on the highway once in a while to fully heat it up so all the condensation evaporates away.

That milky stuff is normal for an engine that only sees short runs and is the reason short runs are considered 'severe service' for oil change intervals. Highway driving is 'normal' service.
dawn i put the 195'f thermostat and the milkshake its increment, i remove the oil pan but i not find any of the milkshake, i removed the oil dipstick and the tube is very dirt i cleaned any comments?????
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Unread 02-27-2011, 06:54 PM   #13
Alby63
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Do you have a pcv valve hooked up and are it's hoses and breather element in good condition?
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Unread 02-27-2011, 07:17 PM   #14
INKUBUS
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Quote:
Originally Posted by Alby63 View Post
Do you have a pcv valve hooked up and are it's hoses and breather element in good condition?
OK this a pic

the PVC its plug in T with the power booster and conect to carburetor base.
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Unread 03-01-2011, 05:49 AM   #15
Mike Romain
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Quote:
Originally Posted by INKUBUS View Post
OK this a pic

the PVC its plug in T with the power booster and conect to carburetor base.
Just a FYI, your gas filter is in upside down which usually causes really long cold starts, you get one vroom, then you have to crank and crank and crank... Acts like a flood, but with the return line lower than the carb line, the gas all siphons out of the line back to the tank when it sits, vaporlocking it.

The filter needs to sit level with the return coming off the top.

I don't think your milkshake 'issue' is an issue.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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