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My Bobcat 751 with Peugeot Engine Timing belt and water pump swap
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<blockquote data-quote="shawn macananny" data-source="post: 59104" data-attributes="member: 7155"><p>I'm going to try to attach pictures, I'm not sure if it will work. I did some reading and i do have a bobcat manual for it but i would say on a scale of 1-10, 1 being changing your oil, 10 being a Duramax head gasket swap I'd rate it about a 3. It was incredibly easy. Including the time i spent cleaning every thing i took off, flushing the coolant system, degreasing the engine it took me less than 3 hours. I got the kit from Ebay UK fo a D9B XUD9 (that's what my engine tag said) It was $230 shipped or belt, tensioner, idler, water pump, and gasket. It got here in 4 business days too</p><p>Drain coolant (if youre swapping the water pump)</p><p>Remove battery, unbolt relay cluster, air box and intake hoses</p><p>pull on fan belt to relieve tension and slide off crank, loosen alternator and remove alternator cover</p><p>use a 22mm socket and ratchet to rotate engine CLOCKWISE</p><p>pin crank with 8mm bolt (same size as what holds cam and injection pump just not threaded)</p><p>Remove crank balancer with flywheel pinned</p><p>remove 3 timing covers (The top cover has an 11mm bolt hidden facing the front behind the engine feel around for it)</p><p>remove muffler bracket (atleast enough that you can get belt out or remove bracket entirely if youre replacing idler)</p><p>Take 3 8mm bolts, put 2 in the injection pump gear, and 1 longer one in the cam (I tightened the cam one a little, injection pump i left hand tight)</p><p>loosen 10mm nut, and bolt on tensioner, then use 3/8" extension and ratchet to move tensioner back to release belt</p><p>If you are replacing tensioner then just remove the bolt and nut. just pry it off with screw driver, its not under much tension once tension is off</p><p>To put the new one on just hold cup and spring in with finger and push new tensioner on over the stud and tap it on, it wont hurt the threads</p><p>If you are replacing the idler remove spring tensioner bracket to get behind to a bolt on the idler</p><p>Pull tensioner all the way against the spring an tighten top bolt to hold out of way of belt</p><p>If you are replacing the water pump unbolt the 5 bolts, pull it out and clean gasket surface, bolt new one in</p><p>To put the new belt on start with the crank, pull it tight, then go around the idler, then the injection pump, then the cam, then the crank, then the water pump.</p><p>While holding the belt on there tight, loosen the tensioner top bolt and it will snap into place holding it.</p><p>Remove all place holding bolts and rotate engine CLOCKWISE 2 times (i rotated 10)</p><p>Put the holding bolts back in and make sure they still line up (one may be a tiny bit off but you should be able to still get a bolt in it) then take them back out</p><p>Put the timing covers, balancer, bracket and belts back on.</p><p>I started up mine without the air box assemble to make sure there were no coolant leaks. I also flushed then filled the coolant system at this point</p><p>I let engine idle for 5 minutes, then ran mid range for 5, then full throttle for 10 minuntes before i drove it anywhere</p><p>I restarted it a half dozen times to make sure no teeth jumped</p><p>I used it under heavy use for an hour after, no leaks, restarted it a few more times. Super easy hours, easy for one person to do, and only cost $230. My Kubota F2400 mowers water pump alone was $200 for its D115.</p><p>anyway, thats my write up, how i did it anyway it could be done in less than 2 hours easily i just took my time and cleaned everything while i had it apart. My engine has definitely had the head off at some point as i see copper heagasket spray and my old belt looked pretty new but i replaced it anyway. Notice the new belt has a groove cut into the tooth. Maybe its to allow to safely pass through the gear teeth?</p></blockquote><p></p>
[QUOTE="shawn macananny, post: 59104, member: 7155"] I'm going to try to attach pictures, I'm not sure if it will work. I did some reading and i do have a bobcat manual for it but i would say on a scale of 1-10, 1 being changing your oil, 10 being a Duramax head gasket swap I'd rate it about a 3. It was incredibly easy. Including the time i spent cleaning every thing i took off, flushing the coolant system, degreasing the engine it took me less than 3 hours. I got the kit from Ebay UK fo a D9B XUD9 (that's what my engine tag said) It was $230 shipped or belt, tensioner, idler, water pump, and gasket. It got here in 4 business days too Drain coolant (if youre swapping the water pump) Remove battery, unbolt relay cluster, air box and intake hoses pull on fan belt to relieve tension and slide off crank, loosen alternator and remove alternator cover use a 22mm socket and ratchet to rotate engine CLOCKWISE pin crank with 8mm bolt (same size as what holds cam and injection pump just not threaded) Remove crank balancer with flywheel pinned remove 3 timing covers (The top cover has an 11mm bolt hidden facing the front behind the engine feel around for it) remove muffler bracket (atleast enough that you can get belt out or remove bracket entirely if youre replacing idler) Take 3 8mm bolts, put 2 in the injection pump gear, and 1 longer one in the cam (I tightened the cam one a little, injection pump i left hand tight) loosen 10mm nut, and bolt on tensioner, then use 3/8" extension and ratchet to move tensioner back to release belt If you are replacing tensioner then just remove the bolt and nut. just pry it off with screw driver, its not under much tension once tension is off To put the new one on just hold cup and spring in with finger and push new tensioner on over the stud and tap it on, it wont hurt the threads If you are replacing the idler remove spring tensioner bracket to get behind to a bolt on the idler Pull tensioner all the way against the spring an tighten top bolt to hold out of way of belt If you are replacing the water pump unbolt the 5 bolts, pull it out and clean gasket surface, bolt new one in To put the new belt on start with the crank, pull it tight, then go around the idler, then the injection pump, then the cam, then the crank, then the water pump. While holding the belt on there tight, loosen the tensioner top bolt and it will snap into place holding it. Remove all place holding bolts and rotate engine CLOCKWISE 2 times (i rotated 10) Put the holding bolts back in and make sure they still line up (one may be a tiny bit off but you should be able to still get a bolt in it) then take them back out Put the timing covers, balancer, bracket and belts back on. I started up mine without the air box assemble to make sure there were no coolant leaks. I also flushed then filled the coolant system at this point I let engine idle for 5 minutes, then ran mid range for 5, then full throttle for 10 minuntes before i drove it anywhere I restarted it a half dozen times to make sure no teeth jumped I used it under heavy use for an hour after, no leaks, restarted it a few more times. Super easy hours, easy for one person to do, and only cost $230. My Kubota F2400 mowers water pump alone was $200 for its D115. anyway, thats my write up, how i did it anyway it could be done in less than 2 hours easily i just took my time and cleaned everything while i had it apart. My engine has definitely had the head off at some point as i see copper heagasket spray and my old belt looked pretty new but i replaced it anyway. Notice the new belt has a groove cut into the tooth. Maybe its to allow to safely pass through the gear teeth? [/QUOTE]
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My Bobcat 751 with Peugeot Engine Timing belt and water pump swap
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