All questions for CJ 3B

headers · 28th October 2011, 08:33

Quote:

Originally Posted by docfreak

my overflow tank is perhaps sealed tight, as it never worked after installation. as in the radiator doesnt suck out and coolant from it even when empty, my mech says its due to absence of a thermostat.
The carb is a M34(jeep intended)
i didnt get what u explained about the spindle.
can u pls pm me ur number. i will surely disturb u.
thanks
sharat

Check the radiator cap. There is a vent in it that is used to suck coolant from the reservoir.

A thermostat helps engine attain optimum operating temperature faster than otherwise!

docfreak · 28th October 2011, 09:29

The vent in the cap is patent.

The jeep is running great, no sluggishness, no such issues. Only that the carb body below the butterfly has some petrol on it which can be felt.
I am running on two serial pumps but have not used the electrical pump since it was installed, never.
Somehow i am not very convinced with the benefit of a return line, though i did procure the necessary T and the tubing as mentioned in BD sir's post.
Is the overflow bottle functional in any hurricane engine? Also how does it work, as in what is the scientific basis of an overflow bottle functioning, maybe that helps me in assessng why mine doesnt work.
Thanks
Sharat

ex670c · 28th October 2011, 10:59

Quote:

Originally Posted by headers

A thermostat helps engine attain optimum operating temperature faster than otherwise!

2) Maintains the Coolant Level in the water Jacket and prevents hot-spots, which lead to gasket failures.

3) Keeps the engine in optimum running temp, thereby increasing power & fuel efficiency.(emissions

)

one possible area of leak is the water pump top flange (3 Bolts) usually it corrode and the water evaporate through small pin holes.

Regards,

Arka

headers · 28th October 2011, 12:04

Quote:

Originally Posted by docfreak

Is the overflow bottle functional in any hurricane engine? Also how does it work, as in what is the scientific basis of an overflow bottle functioning, maybe that helps me in assessng why mine doesnt work.
Thanks
Sharat

Hi, usually the overflow is used for the excess fuel in the carburettor.

Sutripta · 28th October 2011, 14:29

Quote:

Originally Posted by docfreak

The vent in the cap is patent.

The jeep is running great, no sluggishness, no such issues. Only that the carb body below the butterfly has some petrol on it which can be felt.
I am running on two serial pumps but have not used the electrical pump since it was installed, never.
Why don't you connect the T and then a pressure gauge. Then you can see the difference in pressure with one pump, and with both pumps.

Somehow i am not very convinced with the benefit of a return line, though i did procure the necessary T and the tubing as mentioned in BD sir's post.
Is the overflow bottle functional in any hurricane engine? Also how does it work, as in what is the scientific basis of an overflow bottle functioning, maybe that helps me in assessng why mine doesnt work.
Thanks
Sharat

The overflow bottle is just a catchment bottle. Assuming pressure cap on radiator header tank, needs to be at atmospheric pressure, and vertically as close to the radiator header as possible.

If any of these are not working properly, coolant will not be drawn back:
A) The small one way valve in the PrCap. Stuck.
B) Top seal of the PrCap., (not the pressure seal). Leaks air.
C) Overflow tank not at atmospheric pressure. Vacuum being created.

Regards
Sutripta

docfreak · 10th November 2011, 23:25

The insect mesh removed, temo has dropped by about 5-10deg.
Spoke to the jeep boss, (UBS) , he says that these are wet block engines, so if a sleeve other than the permeable IPL sleeve goes in, the baseline temp would increase to 80deg. So no sweat. Also that this temp over any sustained time period would have no adverse effect on the engine.

The overflow bottle mystery is yet on.
The suspensions changed as was suggested unanimously, now th ride is far better.
After everything, its a bliss to drive the 3b with purr under the hood. Today took her for a birding trail and the super silent engine was a big bonus.
I think the reliability issues should be sorted out now.

Jaggu · 12th November 2011, 22:23

Quote:

Originally Posted by docfreak

Is the overflow bottle functional in any hurricane engine? Also how does it work, as in what is the scientific basis of an overflow bottle functioning, maybe that helps me in assessng why mine doesnt work.
Thanks
Sharat

It has worked well in my CJ3B, only issue i had was the capacity was little less (the tank i used) so could not fill more than 3/4 of the marking or it would overflow a lil bit.

Quote:

Originally Posted by docfreak

The insect mesh removed, temo has dropped by about 5-10deg.

Yup had the same issue and i never liked the look of mesh on CJ3B so had removed it.

genesis · 19th December 2011, 09:50

What would be a good 4 core replacement radiator for the CJ?

Would something like what fits in a 540 work or would it be too big and the fan shroud/cowl will have trouble being refitted back?

http://www.team-bhp.com/forum/4x4-ve...ml#post2614838

ex670c · 19th December 2011, 10:36

Quote:

Originally Posted by genesis

What would be a good 4 core replacement radiator for the CJ?

Would something like what fits in a 540 work or would it be too big and the fan shroud/cowl will have trouble being refitted back?

http://www.team-bhp.com/forum/4x4-ve...ml#post2614838

Hi Soumya,

It better to make a 4 core radiator for the CJ3B.

The Metal Shroud from the Older XDP4.9 is a direct fit for the CJ3B Radiator Grille.

Regards,

Arka

docfreak · 21st December 2011, 17:11

A good alternate can also be the radiator from the Bolero CNG pickup.

docfreak · 2nd February 2012, 05:02

3b went from noida to chandigarh with gurpreet, who will now fill in the details of how it does.

. the 3b now has a new person in the saddle.
anyhow, this ride it went fr 150km, 8kmpl , max speed 80kmph.
over and out from me.

trammway · 2nd February 2012, 09:21

Folks,

Anyone has a contact for complete brand new body for CJ3B ? I'm looking for one with all original specification. Let me know if you know any one makes it and keep it ready for shipping to Chennai.

docfreak · 2nd February 2012, 14:12

Hi Shiva,
I picked up a brand new body for my 3b, from mayapuri, costed me approx 6k. But the body was of a cl 350 not 3b. was a direct fit and has been on the jeep for more than 2 years with no evidence of rust. I did get it completely coated with 3m anti rust though.

genesis · 22nd February 2012, 05:48

Looking for the rubber seal which goes around the windshield and 'willys'

ones are not available easily. Will the seal of a classic fit or are there any suggested replacement types.

genesis · 21st May 2012, 10:03

CJ runs like a champ after reducing distributor point gaps, spark plug gaps, cleaning radiator and replacing radiator hoses.

However a perplexing issue:

During an OTR on the weekend, if the jeep was facing a very steep downhill incline (NOT UPHILL) and was on idle/applied slight braking while crawling, then the engine died.

Would not restart. Once on flat land would restart in a jiffy.

Petrol tank was half full.

One thing which comes to mind is to make the engine 'fast'

so it does not cut out, but is there another solution?

Does the float level matter when facing downwards or upwards?

Most related CJ problems seem to happen facing up an incline and not downhill.

Inputs solicited.

28th October 2011, 09:29	#257
docfreak BHPian Join Date: Sep 2008 Location: NOIDA Posts: 252 Thanked: 8 Times	Re: All questions for CJ 3B The vent in the cap is patent. The jeep is running great, no sluggishness, no such issues. Only that the carb body below the butterfly has some petrol on it which can be felt. I am running on two serial pumps but have not used the electrical pump since it was installed, never. Somehow i am not very convinced with the benefit of a return line, though i did procure the necessary T and the tubing as mentioned in BD sir's post. Is the overflow bottle functional in any hurricane engine? Also how does it work, as in what is the scientific basis of an overflow bottle functioning, maybe that helps me in assessng why mine doesnt work. Thanks Sharat
	() Thanks

10th November 2011, 23:25	#261
docfreak BHPian Join Date: Sep 2008 Location: NOIDA Posts: 252 Thanked: 8 Times	Re: All questions for CJ 3B The insect mesh removed, temo has dropped by about 5-10deg. Spoke to the jeep boss, (UBS) , he says that these are wet block engines, so if a sleeve other than the permeable IPL sleeve goes in, the baseline temp would increase to 80deg. So no sweat. Also that this temp over any sustained time period would have no adverse effect on the engine. The overflow bottle mystery is yet on. The suspensions changed as was suggested unanimously, now th ride is far better. After everything, its a bliss to drive the 3b with purr under the hood. Today took her for a birding trail and the super silent engine was a big bonus. I think the reliability issues should be sorted out now.
	() Thanks

19th December 2011, 09:50	#263
genesis BHPian Join Date: Sep 2008 Location: Mumbai Posts: 773 Thanked: 339 Times	Replacement Radiator What would be a good 4 core replacement radiator for the CJ? Would something like what fits in a 540 work or would it be too big and the fan shroud/cowl will have trouble being refitted back? http://www.team-bhp.com/forum/4x4-ve...ml#post2614838
	() Thanks

21st December 2011, 17:11	#265
docfreak BHPian Join Date: Sep 2008 Location: NOIDA Posts: 252 Thanked: 8 Times	Re: All questions for CJ 3B A good alternate can also be the radiator from the Bolero CNG pickup.
	() Thanks

2nd February 2012, 05:02	#266
docfreak BHPian Join Date: Sep 2008 Location: NOIDA Posts: 252 Thanked: 8 Times	Re: All questions for CJ 3B 3b went from noida to chandigarh with gurpreet, who will now fill in the details of how it does. . the 3b now has a new person in the saddle. anyhow, this ride it went fr 150km, 8kmpl , max speed 80kmph. over and out from me.
	() Thanks

2nd February 2012, 09:21	#267
trammway Senior - BHPian Join Date: Apr 2006 Location: Bridgewater USA Posts: 1,150 Thanked: 475 Times View My Garage	Re: All questions for CJ 3B Folks, Anyone has a contact for complete brand new body for CJ3B ? I'm looking for one with all original specification. Let me know if you know any one makes it and keep it ready for shipping to Chennai.
	() Thanks

2nd February 2012, 14:12	#268
docfreak BHPian Join Date: Sep 2008 Location: NOIDA Posts: 252 Thanked: 8 Times	Re: All questions for CJ 3B Hi Shiva, I picked up a brand new body for my 3b, from mayapuri, costed me approx 6k. But the body was of a cl 350 not 3b. was a direct fit and has been on the jeep for more than 2 years with no evidence of rust. I did get it completely coated with 3m anti rust though.
	() Thanks

22nd February 2012, 05:48	#269
genesis BHPian Join Date: Sep 2008 Location: Mumbai Posts: 773 Thanked: 339 Times	Re: All questions for CJ 3B Looking for the rubber seal which goes around the windshield and 'willys' ones are not available easily. Will the seal of a classic fit or are there any suggested replacement types.
	() Thanks

21st May 2012, 10:03	#270
genesis BHPian Join Date: Sep 2008 Location: Mumbai Posts: 773 Thanked: 339 Times	Trouble starting while facing downhill on steep incline CJ runs like a champ after reducing distributor point gaps, spark plug gaps, cleaning radiator and replacing radiator hoses. However a perplexing issue: During an OTR on the weekend, if the jeep was facing a very steep downhill incline (NOT UPHILL) and was on idle/applied slight braking while crawling, then the engine died. Would not restart. Once on flat land would restart in a jiffy. Petrol tank was half full. One thing which comes to mind is to make the engine 'fast' so it does not cut out, but is there another solution? Does the float level matter when facing downwards or upwards? Most related CJ problems seem to happen facing up an incline and not downhill. Inputs solicited.
	() Thanks