Ok,Thanks for your help guys!

The hole is there, but it's clogged. I think the radiator isn't original and the previous owner replaced it. And I think he made a mistake. So I'm wondering how the oil cooler water circulates if this hole is clogged.

Hello Sierrafery, I'm asking about a problem with my Discovery TD5. I have a 1999 10p engine. I've removed and cleaned my radiator. I noticed the hole coming from the oil cooler is blocked. Can I leave this setup on this model or do I need to drill a hole?

Hello Sierrafery, thank you for your reply. I replaced the IDM, but the problem still persists. I ordered a BCU, which will arrive in two weeks, but in the meantime, I want to explore other avenues. Since I touched and cleaned the IDM and BCU, the turn signals and central locking have been...

Hello CM0n, have you find a solution ? I have the same symptoms...

Bonjour Paul, as-tu résolu ton problème ? Le BCU est-il défectueux ? Merci pour votre réponse

Bonjour, mon discovery TD5 de 1999 est immobilisé depuis maintenant 1 an et je ne trouve pas de solution. Tout a commencé avec ma batterie qui est morte, je l'ai remplacé (avec la même puissance Ah) et depuis j'ai un problème sur plusieurs points : - j'ai un zéro barré qui s'affiche au tableau...

Hello, i'm french but i'm Land rover lover. Before, during ten years, i've got à Defender 200tdi. In 2023, i bought a discovery TD5 for having more confortably. I've many probleme with this vehicule and i hope find solutions in this forum. I want share with other pasionatte people for cotinue tu...