Kurtalexander Posted January 12, 2018 Share Posted January 12, 2018 Hey guys, my defender has broken down and do not know where to start troubleshooting. It was driving normally until I turned it off for 15 mins and when I turned it back on it had a bad knocking sound coming from the engine bay, I thought I might make it home, started driving and the noise got louder and eventually engine cut out about 5kms down the road, had to get a tow truck back home. It still cranks over, It is a 1996 300tdi with 260000kms on it. Any help would be much appreciated, thanks. Quote Link to comment Share on other sites More sharing options...
dailysleaze Posted January 12, 2018 Share Posted January 12, 2018 You can remove the rocker cover easily to see if a rocker arm has broken. If nothing there then it may be related to the timing belt. Did the knocking noise happen when you cranked the engine? Although don't crank it over any more just in case. This video shows you how to remove the cover: Quote Link to comment Share on other sites More sharing options...
Kurtalexander Posted January 13, 2018 Author Share Posted January 13, 2018 It is hard to say if it happened when I cranked the engine, thanks for the reply and video mate, been most helpful reply so far on all forums 👍 Quote Link to comment Share on other sites More sharing options...
Mutley Posted January 13, 2018 Share Posted January 13, 2018 At the bottom of the timing belt cover there is a small hole, get a thin stiff length of wire and make a small hook, push it into the hole and carefully poke around, again carefully remove it and see if it brings out anything that could be belt material? This will give you an idea if the timing belt has gone without taking it to bits. Just a thought to try? Cheers Andy Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted January 13, 2018 Share Posted January 13, 2018 Take the oil filler cap off, get someone to crank it over and see if the rockers are operating on crank. If they are not then your timing belt is broken. Mo Quote Link to comment Share on other sites More sharing options...
monkie Posted January 13, 2018 Share Posted January 13, 2018 IF it is the timing belt that has snapped, here is a great video on how to deal with it. (200 Tdi used, but 300 is very similar for the purposes of this video) Quote Link to comment Share on other sites More sharing options...
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