morganholidayman Posted October 20, 2017 Share Posted October 20, 2017 My TD5 Defender 2000MY passed it's MOT with advisory of impending Intercooler failure. See picture. I bought it 4 years ago and been tidying it up all round and last year found turbo boost up to nearly 2bar. Reduced to around 1.5 max now. Is this a result of that over boosting?! Got a new one to fit now and looking at easiest way without removing coolant rad. Looking at previous I'm thinking of putting a tie wrap around the middle to support the lower frame? Quote Link to comment Share on other sites More sharing options...
Landrovernuts Posted October 21, 2017 Share Posted October 21, 2017 Not sure if it is the way the first picture is taken, but the radiator does not look too good either! Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted October 21, 2017 Share Posted October 21, 2017 Looks like structural failure to me, the fins are very corroded, leaving less support for the cores. Then wind up the boost and the core swells... I'd be surprised if there want a boost leak. Quote Link to comment Share on other sites More sharing options...
Lightning Posted October 21, 2017 Share Posted October 21, 2017 Wouldn't a leaking or holed intercooler cause reduced turbo boost rather than more? Quote Link to comment Share on other sites More sharing options...
steve200TDi Posted October 21, 2017 Share Posted October 21, 2017 It looks like a standard intercooler to me. So from the overboosting and maybe just life span of the intercooler it is starting to fail. It may have not split yet, but looks like it'll fail imminently! And yes a holed intercooler will reduced boost! Steve Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted October 21, 2017 Share Posted October 21, 2017 Doomed ! Mo Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted October 21, 2017 Share Posted October 21, 2017 5 hours ago, Lightning said: Wouldn't a leaking or holed intercooler cause reduced turbo boost rather than more? Yeah of course, his post suggests that he had had it tweaked at some point, up to 2 bar. Quote Link to comment Share on other sites More sharing options...
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