Apologies for this question; I've tried search (believe me!) but no luck...
What torque should be put on the sump drain plug of the Isuzu 4BD1?
If your going to the trouble of torquing the bolt, if it had a copper washer than its best it anneal the copper washer
Les is right, and the reply from Weeds would be good advice IF the drain plug in question had a copper washer as opposed to a plastic seal. But neither of them are telling me what I want to know.
So, perhaps this question was more complicated than I thought. (Or something...)
Firstly, is a fairly substantial plastic sealing washer normally fitted to the sump drain plug of the 4BD1?
If "no" to the above, see question at top of thread. And, if "yes" to the above, see question at top of thread.
You only get one shot at life, Aim well
2004 D2 "S" V8 auto, with a few Mods gone
2007 79 Series Landcruiser V8 Ute, With a few Mods.
4.6m Quintrex boat
20' Jayco Expanda caravan gone
I dont use the handle of ratchet to tighten sump bolts nor would I hold the end of a combination spanner... Mostly I hold the spanner with my thumb on head of plug and tighten, your wrist should apply approx 25 ft-lbs which is generally enough to seal a plug... If it weaps, then maybe another 1/16 th of a turn at most... Remember, its to seal and has to be undone and done up many more times in its life, one over tighten and its life gets shortened considerably... If overtightened too many times then you either strip threads on plug or damage threads on sump, either way it will probably happen a long way from home as Murphy dont like doing things the easy way...
Couldn't find anything specified in the 4bd1/4bd1t automotive engine manual. Has a table of bolt alloy type by diameter with general torque recommendations where not otherwise specified.
Doesn't exactly match the question at the top of the thread and don't know the source, but 2nd last entry has 26lb/35Nm for the tubo engine (copper or plastic?). May just have to risk it on the n/a. . Assuming automotive and not industrial 4bd1
4BD1T Bolting Torque..
I'm a winner
51-65ft.lbs
69-88nm
I'm assuming that is with a new copper washer...
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