dunk
Isuzu Baby
Posts: 16
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Post by dunk on Nov 29, 2008 22:30:36 GMT 11
Hi Boys & Girls. This question has possibly been asked before. But. Here goes again ... How much oil is it supposed to take ... With a filter change ?? Reason for asking ... Oil change guy put in 7 Litres. With a filter change. But it's always seemed to be a bit too full. But, only when left to SIT for a while ! Do these things take a while for the oil to ... settle ! Hope that some knowledgeable person can help me. PS ...It's a '94 Manual, if that helps  Regards. Bryan. |
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Post by isuzumudman on Nov 30, 2008 5:48:00 GMT 11
My book says 7.1 for recon engine, 6.0 with filter & 5.0 without for 4JG2.
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Post by geeves on Nov 30, 2008 9:41:28 GMT 11
They do take a while for the oil to drain into the sump esspecialy if the engine is cold. (oil shouldnt be changed cold but the filter doesnt make a mess if its drained overnight)
Never ever overfill an Isuzu. It will leak but no other real harm
If its overfull you should go back and get them to drain it a little for free
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Post by guythorn on Nov 30, 2008 15:29:53 GMT 11
yes 7litres is all I put in mine Guy
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Post by geeves on Nov 30, 2008 17:35:31 GMT 11
If you want to drain the exact amount acheats way is just to remove the dipstick tube. The full line on the dipstick lines up with the top of the machined casting so when you remove the tube it drains to the right level. As with all cheats methods there is a price. In this case a big mess
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dunk
Isuzu Baby
Posts: 16
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Post by dunk on Dec 1, 2008 20:50:13 GMT 11
Hey ... Thanks for the info.
Just that 7 was a bit much. Apparently not so!
It does leak a bit, especially when facing down hill. Pretty good on the flat though. And the VTNZ report said I had a leak. Think it's only the "Over-full" thing though. Never takes a skerick between changes ... Which is due about ... Now!
Hence, the query.
Thanks guys.
Regards.
Bryan.
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mattt
Isuzu Baby
Posts: 17
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Post by mattt on Dec 2, 2008 12:07:13 GMT 11
Our 98 4jb1t Rodeo is supposed to take 6.5l, but owing to apparent sludge that's about a litre (or whatever) too much ;-)
Cheers,
Mattt.
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Post by geeves on Dec 2, 2008 15:25:54 GMT 11
some 4jb1t engines did have a bigger sump taking just over 5 liters but not sure about 6.5 L
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mattt
Isuzu Baby
Posts: 17
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Post by mattt on Dec 3, 2008 9:37:23 GMT 11
Hhhmmm... That could well be the case. Certain I got 6.5l from both the service manual and the Pennrite application book, though. Will look further into it when I next change the oil (ever since the overfill, the clutch has been intermittently (but often) slipping - even after removing excess oil and drilling a drain in the bellhousing (no oil came out)).
Cheers,
Mattt.
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Post by geeves on Dec 3, 2008 11:21:07 GMT 11
2 bits of bad news re clutch.
A: If oil got on the clutch and is causing it to slip only answer is replacement
B: Not really bad news If no oil in bell housing and no evidence of it having leaked from there then oil unlikely to be the cause. Isuzu clutches tend to give out around 160k depending on useage
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mattt
Isuzu Baby
Posts: 17
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Post by mattt on Dec 4, 2008 7:44:18 GMT 11
Hmmm... Both of those points were as expected by me (excuse the sentence structure - 6:30am here, and I've only downed one cuppa  ). Thing is, though, I had the gearbox replaced a few months ago. Had it done at a shop, as I don't have the requisite lifting equipment for such a heavy box. Anyhoo, I told the guys that, while I really couldn't afford it, if the clutch needed replacing they should do that and machine the flywheel. They insisted that two different mechs checked it out and deemed it fine... I'm yet to check the slave cylinder, although I noticed they kinda mangled the rubber boot on the bellhousing in such a way that it doesn't sit properly. With luck, something like that may be causing the slave / fork to not properly disengage. Cheers, Mattt. |
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Post by geeves on Dec 4, 2008 10:33:36 GMT 11
possible and worth checking. It may also be worth checking the adjustment of the clutch slave cylinder. I have seen cases where air in the system prevented the cylinder from fully releasing causing clutch slip but this is rare.
If it does prove to the clutch You might be able to get a discountfrom the garage that said it didnt need changeing
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Post by mulover on Dec 4, 2008 11:11:22 GMT 11
this is also rare but it could be the splines that the clutch sides on have become dry and the clutch is not moving freely. I thought i had chewed out another clutch but the plate had only worn like 1.5 mm!!!! Very gutting!!!! This is likely if you do alot of gravel/dusty work. A few well aimed shots of CRC or the likes could help?  |
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