I started to strip down they engine again today.
I have been very unlucky and lucky at the same time.
Three rocker posts have broken and one rocker has sheared on the adjuster screw.
The ball of which I found rolling around in the cylinder head along with the locking nuts.
However, it looks like on the cam and the rocker posts will need replacing along with the fingers themselves.
Many worry is swarf from the broken posts.
I have removed the sump and found a couple of small pieces there.
Found a few more pieces when checking the oil that was removed.
I can't believe that the engine was running albeit on three cylinders with all these broken fingers etc.
I have managed to remove the damaged posts and need some new ones
Anyone got an engine that they are dismantling?
I am going to blow through the oil ways as best I can.
I have removed the main and big end bearing caps and there is no significant damage to them.
Might as well re ring the engine while I am this far stripped down.
Anyone else had a failure like this.
The sides of the rocker support posts have elongated and eventually failed.
This engine has only done 16000 miles since I put the head on it.
- Board index Bongo Fury Techie Stuff
- Search
-
- It is currently Sat Sep 13, 2025 2:13 am
- All times are UTC+01:00
Broken rocker posts etc.
Technical questions and answers about the Mazda Bongo
Moderators: Doone, westonwarrior
Jump to
- Using The Bongo Forum
- ↳ Terms & Conditions
- ↳ Guidance
- ↳ FAQs
- ↳ How to Contact Us
- Bongo Fury
- ↳ Techie Stuff
- ↳ Bongo Chat
- ↳ Bongo Fuel & Performance Issues
- ↳ Fancy Meeting up & Bongo Trips
- ↳ Breaking Bongos
- ↳ Campervan Conversions in Bongos
- ↳ Stuff Wanted/ Free Stuff/Swaps
- ↳ Admin & Club Matters
- ↳ Bongo Camping Equipment
- ↳ Pimp My Bongo
- ↳ Was It You?
- ↳ Off Message
- ↳ Group Buys
- ↳ Bargains!
- ↳ Small Ads
- ↳ Bongoing with Children
- ↳ Insurance
- ↳ Campsites
- ↳ Bongo Furry!
- ↳ Going Abroad
- ↳ Bongo Bash 2024
- ↳ Bongo Bash 2023
- ↳ Bongo Bash 2022
- ↳ Bongo Bash 2021
- ↳ National Bongo Day 2020
- ↳ Bongo Bash 2019
- ↳ Bongo Bash 2018
- ↳ Bongo Bash 2016
- ↳ Bongo Bash 2017
- ↳ Bongo Bash 2015
- ↳ Bongo Bash 2014
- ↳ Bongo Bash 2013
- ↳ National Bongo Day Sunday 24/02/13
- ↳ Bongo Bash 2012
- ↳ Bulgaria 2011
- ↳ Bongo Bash 2011
- ↳ Bongo Bash 2010
- ↳ Bongo Bash 2009
- ↳ Poland 2008
- ↳ Bongo Bash 2008
- ↳ Bongo Bash 2007
- UK Groups
- ↳ Scotland
- ↳ North West
- ↳ Yorkshire & North East
- ↳ Wales/Cymru
- ↳ West Midlands
- ↳ East Midlands
- ↳ Eastern Counties
- ↳ Chilterns, Thames Valley & Cotswolds
- ↳ London, Kent & Sussex
- ↳ South Wessex
- ↳ Devon & Cornwall/Kernow
- ↳ Rest of the West
- International Section
- ↳ International
- ↳ Ireland