New Cylinder head, Please help

Technical questions and answers about the Mazda Bongo

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Hotdog

New Cylinder head, Please help

Post by Hotdog » Wed Dec 23, 2009 1:43 pm

Hi All, I have just Purchased a new cylinder head for my Late 1995 WL type Bongo after the original one failed a pressure test at the engineers, It was cracked internally between number one and two cylinders Causing overheating, Cooling system Pressure etc,

Previous to this, It had a new rad fitted, Thermostat removed and some sort of head sealer used, This cured the problem for a couple of months, The amount of time i have owned the bongo, Say no more,


To cut a long story short,
The new head i have got has only two pipes coming from the press in fitting at the front that i can deal with, I will add a t piece so i have the bleeding pipe, (Excuse my French),

It also came with some press in fittings and brass washers to go in the injector holes,

It is a patent copy head, Hmm, :|

My Questions are, Has anyone here fitted one of these heads, And is it possible to fit these parts myself, How do i get the pipe in and be sure of a good seal, and do the injector fittings just press in easily, I am hoping to get some info from someone that has succesfully carried out this job, Also What is the tappet clearance,
Thanks in advance, Any help will be appreciated, 8)
Steve.
Last edited by Hotdog on Wed Dec 23, 2009 2:34 pm, edited 1 time in total.
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Re: New Cylinder head, Please help

Post by scanner » Wed Dec 23, 2009 2:33 pm

Sounds like (from what I read on here) that you have a head intended for a Mazda 2500/Ford Ranger pick-up which doesn't need/have a bleed tube as it only has one heater system.
Hotdog

Re: New Cylinder head, Please help

Post by Hotdog » Wed Dec 23, 2009 2:49 pm

Not sure about that, But certainly the press in pipe is a ranger fitting otherwise it would have three in out pipes,
Hotdog

Re: New Cylinder head, Please help

Post by Hotdog » Thu Dec 24, 2009 12:35 am

Never mind, Thanks anyway,

I bashed the pipes in with a mallet and a plastic topped screwdriver, One tap on each side at a time aroud the lip, And it went in nice, Soon as the tapping pitch changed to a more bell like sound, it was fully home

As for the injector seal things and brass washers, I pressed them in by laying them in and screwing the injector into it, Again fine,

At least i am looking forward to putting it all back now, Just need the tappet clearance to give them a quick check before stuffing it all back in, Then i can have my lovely bongo back, I have only had it a couple of months, And i love it, Even doing the head is ok, As i have got both the front seats out complete with the engine covers, Got me gas cooker in the back to keep me warm and in coffer too, And i can sit on the reversed back seats while i am doing the engine in the warm, on me drive, With a bit of music too.
Still a worry though, Is this head gonna be alright, Probably made in China, Mind you, They make some good gear now, Cant knock them. Also I expect the original bongo Head must cost a few bob,

Steve,
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Re: New Cylinder head, Please help

Post by mister munkey » Thu Dec 24, 2009 12:47 am

Hotdog wrote: Also What is the tappet clearance,
Thanks in advance, Any help will be appreciated, 8)
Steve.

Advice here Steve

http://www.igmaynard.co.uk/bongo/forum/ ... ts#p302261
The only true wisdom is in knowing you know nothing. http://www.travelblog.org/Bloggers/MisterMunkey
Hotdog

Re: New Cylinder head, Please help

Post by Hotdog » Thu Dec 24, 2009 1:31 am

Lovely, Thank you.
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