Holts gum gun putty, will it work?
10 September 2011, 02:37 PM
#1
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Holts gum gun putty, will it work?
Waiting on a new manifold and some gasket rings before I can replace my quite badly cracked manifold on the alfrod and I was wondering would this holts gum gun putty be up to the job of sealing the crack temporarily, say for a week or 2?
Or if someone can recommend anything else before i head to halfords as I'm concerned about carbon monoxide fumes entering through the air vents?
Or if someone can recommend anything else before i head to halfords as I'm concerned about carbon monoxide fumes entering through the air vents?
10 September 2011, 02:41 PM
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Waiting on a new manifold and some gasket rings before I can replace my quite badly cracked manifold on the alfrod and I was wondering would this holts gum gun putty be up to the job of sealing the crack temporarily, say for a week or 2?
Or if someone can recommend anything else before i head to halfords?
Or if someone can recommend anything else before i head to halfords?
http://www.amazon.co.uk/Exhaust-Repa.../dp/B004UZJUQ6
or if it is curved then this stuff
http://www.amazon.co.uk/gp/product/B...4ZMGX8Y9Z2AS75
10 September 2011, 02:52 PM
#3
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From having a nosey around, I am near sure the areas marked red on this pic are where the manifold is leaking.
I don't think that bandage would do me much good.
I don't think that bandage would do me much good.
10 September 2011, 03:21 PM
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I spoke to a local mechanic and he gave me some speil about it being cast iron and getting it welded would be expensive. I can get a secondhand one for £45. Either way I'm more concerned about driving it next week with poisonous gases entering the cabin until i have the chance to actually remove and replace.
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10 September 2011, 03:36 PM
#10
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why are mechanics so full of ****? The mechanic I spoke to as I stated above completely put me off getting it welded. Otherwise I could have had this sorted days ago!
10 September 2011, 03:46 PM
#11
Maybe he's crap at welding or only has an 80amp welder?
There is always a risk that it can crack open again, but generally speaking its usually because the item is stressed in the first place (i.e badly fitting down pipe, bent brackets etc) or the weld wasn't done right (dirty or not enough current/heat etc).
As for fumes; just keep a window open. Seeing the heater takes it air in from underneath the wipers I doubt any nasty gasses will get in there. Biggest issue from manifold leaks is is the engine running too rich and damaging the cat.
There is always a risk that it can crack open again, but generally speaking its usually because the item is stressed in the first place (i.e badly fitting down pipe, bent brackets etc) or the weld wasn't done right (dirty or not enough current/heat etc).
As for fumes; just keep a window open. Seeing the heater takes it air in from underneath the wipers I doubt any nasty gasses will get in there. Biggest issue from manifold leaks is is the engine running too rich and damaging the cat.
Last edited by ALi-B; 10 September 2011 at 03:48 PM.
10 September 2011, 03:57 PM
#12
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Another question Ali for when I am refitting the manifold. Should I use anything inbetween the manifold, gasket and engine, ie copper grease or just put it in place and tighten it up?
10 September 2011, 04:07 PM
#13
Usually the gasket should do the job on its own.
You shouldn't really use any exhaust pastes or sealing compunds upsteam of the cat as chemicles from it burning off can contaminate the oxygen sensor as well as the cat. Especially if it contains silicone.
You shouldn't really use any exhaust pastes or sealing compunds upsteam of the cat as chemicles from it burning off can contaminate the oxygen sensor as well as the cat. Especially if it contains silicone.
12 September 2011, 12:00 PM
#15
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Gun Gum can work quite well on exhaust systems well back from the manifold.
That manifold could be repaired quite easily and permanently by being brazed with something like Nickel or Silicon Bronze welding rod which stands a higher temperature than standard brazing rod.
I used to make my own manifolds using that stuff for the flanges where they attach to the pipes.
Les
That manifold could be repaired quite easily and permanently by being brazed with something like Nickel or Silicon Bronze welding rod which stands a higher temperature than standard brazing rod.
I used to make my own manifolds using that stuff for the flanges where they attach to the pipes.
Les
12 September 2011, 07:52 PM
#16
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Gun Gum can work quite well on exhaust systems well back from the manifold.
That manifold could be repaired quite easily and permanently by being brazed with something like Nickel or Silicon Bronze welding rod which stands a higher temperature than standard brazing rod.
I used to make my own manifolds using that stuff for the flanges where they attach to the pipes.
Les
That manifold could be repaired quite easily and permanently by being brazed with something like Nickel or Silicon Bronze welding rod which stands a higher temperature than standard brazing rod.
I used to make my own manifolds using that stuff for the flanges where they attach to the pipes.
Les
I had a had a friend recommend getting it brazed but I was able to buy a secondhand manifold for £35 delivered which should be with me tomorrow/Wednesday. Seemed like a little less hassle!
I just need to either buy or have fabricated a new downpipe bracket and i'll be on the straight and narrow again!
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