Download WJdiag Free – Simple diagnostic software for Jeep Grand Cherokee 2.7 CRD - Android (12931 downloads) Download JeepDiag - Free and simple diagnostic software for Jeep Grand Cherokee 2.7 CRD - Windows (23463 downloads) If you would like to get previous version of simple JeepDiag for Android, then it will stay available. 96 posts · Joined 2020. #1 · Nov 23, 2020. Hi, Ive posted this on the Aussiejeepforum as they seem to have more 2.7 owners, I thought I would post here also just in case someone can help :0) UK WG owner here, 02, 2.7 CRD Limited. Ive got a bad leak behind my turbo so Ive been trying to get the turbo off to change the gasket / spring clamp. bbDdK.