The Triumph Dolomite Club - Discussion Forum

dololo

Hi all , it's been a long time since i came to the forum .
And after that last message .... head gasket blown
i decided to park the car until i find a new block ( the only part we didn't change )
the block has been skimmed , te be sure it's completely flat .
I will get the engine back in three ...

dololo

Hi all ,
i have changed all my 1850 front bushes by polyurethane from superflex , known as one of the best choice for quality .
After 200 kms camber went wrong . i 've added some plate washer behind brackets (two on each side) to get my wheels vertical .

After one rregularity rally ( 500 km ...

dololo

After more than one year searching why air ( no CO) bubbles were coming in the tank till overflow after approx 20 mile .
It seems that the problem have been solved by head studs replacement .

dololo

tried a new bleeding this afternoon .
bottle level expanses until overflow (it takes approx 15 miles drive)
but what surprises me is that when cold , the level doesnt decrease .
Does it mean that air is not allowed to enter trhrough the bottle cap when temperature (and so pressure) decrease ?

dololo

radiator has been upgraded , but is still a sprint one .i had the same problem with the original radiator .

i bleed with heater blower on, first feeding the bottle to the right level, then engine run 3 minutes , and topping up the thermostat housing after .

dololo

still with my problem .
No CO in the expansion bottle now
cap + bottle tested , opening at 12 PSI
but the coolant level always increase , in the bottle :-(

I will try this afternoon to suppress the thermostat

i will maybe try to modify the bottle into an expansion tank , by :
- drilling a hole ...

dololo

Carledo wrote: ↑Fri Jul 24, 2020 11:22 pm Is coolant getting into the oil in the sump?

Steve

No , no coolant into the oil
just gas in the bottle and thermostat housing empty .
I did a co test this afternoon , and the test liquid go from blue to green ...

dololo

Hello ,
tightening sequence
-first the line on inlet side , the center one , then the first right one , then the first left one and the extremities
-second the exhaust side , the same way

torque in 3 times
-first 2.5
-second 5
-third 7.6 kg/m

Jeroen , i will buy a Co test , this will help me ...

dololo

sprint95m wrote: ↑Thu Oct 25, 2018 2:37 pm
dololo wrote: ↑Tue Oct 23, 2018 8:55 pm

Obviously Laurent, you will have to repair/replace the water pump.

Ian.
Do you mean that the gas leak would come from the water pump bearing/sealing ?

dololo

Thanks fior your suggestion , i tested it with a bycicle pump ; it's opening at 15 psi .

dololo

still the same problem with new head , new radiator and new coolant tank cap .
i did a special post in the dolomite related section
the coolant level increase until overflow , while the thermostat cap is full of gas

dololo

Hi , those who read my post froggy dolly 2(my french sprint ), already kow i am fighting since last summer to solve all my issues .
After a complete engine rebuilt , at the first rally , always bubbles in the coolant tank , and coolant consumption.
we took off the head and checked the head gasket ...

dololo

this should be useful , for other users , thanks to Marshman who shared it

dololo

Hello , after moderator suggest , i try to sum up my issues :
i am a Lucky guy who have two dolomites with head problems

the 1850 had a broken head gasket , but the head was already overskimmed . So i :
-put an other one with small modifications ( water holes oversized to match with block ...

dololo

Thanks a lot for your quick answer, Roger . that 's exactly what i need .
does it come from a known book i should try to find ?

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