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[skyblue]

MIGHT SOUND A DAFT QUESTION BUT DOES THE RUBBER SEAL SIT INSIDE THE THERMOSTAT OR DO YOU JUST PLACE IN OVER THE HOLE???

TRIED  USEING HOT WATER TO SOFEN IT BUT  STILL NO JOY

sORRY FOR SHOUTING BUT IM IN THE HOPE THE WHOLE WORLD HEARS MY PLIGHT 

[tunnie]

sits in the groove on the stat housing, i used a little bit of grease around the rubber seal.

There really is no need to shout, you question will get answered if you type normally as well. Its also nicer to read the question 

[skyblue]

Thanks Tunnie I will give it a try

[Darth Loo-knee]

There are two types of Thermostat Gasket.
There is a Square profile and a Round profile gasket. The square one will no way go in the thermostat housing needing a round profile gasket..
It should fit in nicely, and like Tunnie has said a smear of grease in the housing to hold the gasket in 

[Darth Loo-knee]

Just to add, I think that the new Thermostat Housing need the Round Profile Gasket

[skyblue]

Thanks for the help its now in but ive got a nagging feeling they have given me the wrong seals for the pipe bit the stat goes into or am I worrying for nothing as they do all models


BTW..... Ive punished myself  for shouting earlier by only haveing 1 spoon off sugar in my coffee instead of 2,5...... wont be doing that again

[skyblue]

Im Back and I aint happy chap...... do they employ monkeys at Vaux dealers or what

Just flushing system thro  and noticed water coming under at the front of engine fron around the stat houseing area as it did when I unbolted it yesterday. i have now checked the two part numbers as this is what Ive have

Old stat 24420652GM
 New stat GM90502201

 Have i mucked up somewhere or have they :-? :-?

[PhilRich]

Im Back and I aint happy chap...... do they employ monkeys at Vaux dealers or what

Just flushing system thro  and noticed water coming under at the front of engine fron around the stat houseing area as it did when I unbolted it yesterday. i have now checked the two part numbers as this is what Ive have

Old stat 24420652GM
 New stat GM90502201

 Have i mucked up somewhere or have they :-? :-?

Is this the one you were given? If so then the original part No. may have been superceded ? :-/



http://cgi.ebay.co.uk/VAUXHALL-THERMOSTAT-HOUSING-VECTRA-B-OMEGA-V6-90502201-/190408154882?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c5535df02

[tunnie]

thats the right part number, did you replace the o-rings on the coolant transfer pipe?

[Big_Roger]

Hi,
The thermostat supplied is correct number.  The seal ring should be 24447061

I hope you havn't fallen foul of the different housing flange thickness problem.  Many have!!!

Is the new thermostat housing flange the same thickness as your original one, or is it thinner. If it is the same you don't have the problem.
If it is thinner, you MUST use shorter bolts, (which should have been automatically supplied by VX with thinner flange type) or you could use a spacer under the bolt head. A 10mm nut is about right.

The reason for all this hassle is, that one of the tapped holes in the cylinder block is blind tapped, and if you have thin flange and long bolt it bottoms and doesn't tighten down the flange.

A bit of grease should hold seal ring in place while you fit the housing.

HTH

Roger

[Darth Loo-knee]

The new bolts dont come with a new thermostat housing, you need to ask for them.

[Andy H]

The new bolts dont come with a new thermostat housing, you need to ask for them.

I got caught by that one. I used 6 plain washers under each bolt head.

My car is a 2003 model, I was aware that replacement thermostats are thinner than early stats but I assumed that I would already have the thinner type on the car  :-/

[skyblue]

its now sorted thanks for the advice  from everyone  its been a hell of a day  but it will get worse when i arrive at the hell hole later this evening

[dbug]

Was it the bolts?

[skyblue]

Was it the bolts?

 It was the bolts and the seal not sitting in corrrectley so to get me out of trouble for getting to work tonight I threw the old one back in as I had some more advice from someone who knows a little more about cars that me that he thougt the stat was fine so im keeping my fingers crossed that after the contant flushing it  washed any muck out of the system. but if it hasnt then I will redo it next wkend now im armed with a few more facts