Search found 10 matches

by greenwolverine
Tue Jan 10, 2017 9:38 pm
Forum: Wanted section
Topic: 4jg2 piston size mark C
Replies: 0
Views: 16

4jg2 piston size mark C

I am looking for a good used piston for a '92 UBS69 3.1 Bighorn, 4JG2 engine, piston size mark C

I have a new pin and rings

Outside diameter 95.385 - 95.394 mm

I am in Langley, BC Canada
by greenwolverine
Mon Apr 18, 2016 10:27 am
Forum: Engine
Topic: Front cover gasket?
Replies: 18
Views: 105

Re: Front cover gasket?

They were very helpful and I received a genuine Isuzu gasket that fits my front plate<br/><br/>The part number on the Isuzu package is 8-97129429-1<br/>I am typing it again to make sure I do it right: 8-97129429-1<br/><br/>BTW I am thinking of popping the front crank seal into the front plate while ...
by greenwolverine
Sun Apr 17, 2016 3:14 pm
Forum: Engine
Topic: Front cover gasket?
Replies: 18
Views: 105

Re: Front cover gasket?

Isuzu North America isn't recognizing these numbers. They have no problem getting gaskets for the gear-driven engines but the holes are in the wrong places compared to the gasket for the belt driven G2<br/>Is there a dealership I can contact in NZ? <br/>I buy a lot of my parts from the UK so it's no ...
by greenwolverine
Sat Apr 09, 2016 10:03 am
Forum: Engine
Topic: Front cover gasket?
Replies: 18
Views: 105

Re: Front cover gasket?

Vunderbar, thanks

Just to confirm -- the page with the key code says 4JB1/4JG2 but there is a B only at the part number
Would both blocks have similar external diameters?
by greenwolverine
Fri Apr 08, 2016 8:33 am
Forum: Engine
Topic: Front cover gasket?
Replies: 18
Views: 105

Re: Front cover gasket?

This is very useful, thanks<br/>I have just taken apart a 4JG2 and the gasket material I found on it is paper or something brittle.<br/><br/>I can now take the part numbers to Isuzu marine to see if they can get me one, touch wood.<br/><br/>I wonder why there are more than one number under 97<br ...
by greenwolverine
Sun Feb 14, 2016 12:47 pm
Forum: Engines and Exhaust
Topic: 4jg2 engine rebuild
Replies: 47
Views: 301

Re: 4jg2 engine rebuild

THanks, and now a camshaft question<br/>The 3 journal diameter readings are well within standard dimensions<br/><br/>One of my lobes is slightly below minimum height.<br/><br/>The wear on the tappets is in concentric circles as the book shows normal wear to look like. I have kept the tappets in ...
by greenwolverine
Mon Feb 01, 2016 1:15 am
Forum: Engines and Exhaust
Topic: 4jg2 engine rebuild
Replies: 47
Views: 301

Re: 4jg2 engine rebuild

I managed to get a very good used crank off a 4JG1 from an industrial engines place.<br/>Cranks are identical<br/><br/>Piston and rod to come, and then I'll have all the stuff I need for the bottom end<br/><br/>Reading the manual it says to tighten the rod bolts using engine oil to start them<br ...
by greenwolverine
Tue Dec 01, 2015 2:38 am
Forum: Engines and Exhaust
Topic: 4jg2 engine rebuild
Replies: 47
Views: 301

Re: 4jg2 engine rebuild

Thanks
by greenwolverine
Fri Nov 27, 2015 5:57 pm
Forum: Engines and Exhaust
Topic: 4jg2 engine rebuild
Replies: 47
Views: 301

Re: 4jg2 engine rebuild

I have a parts vehicle and just took apart the engine, which was dead<br/><br/>Crank is badly scored on one rod journal. No bearing material left on the rod. What a waste.<br/><br/>Manual says it can't be machined.<br/>Any advice? <br/>If anyone has a good crankshaft for me in the region of $150 (I ...
by greenwolverine
Mon Sep 10, 2012 1:24 pm
Forum: Engine
Topic: Need to replace sump gasket, help!!!
Replies: 5
Views: 67

Sealing up sump / oil pan

Oil Pan Restore<br/>Isuzu Bighorn 1992 UBS 69 3.1 TD<br/>My lower oil pan was leaking out the back side, which is a common problem.<br/>I took it off and found a couple of problems. I tested all the holes in the upper oil pan for stripping, and discovered that some of them were in fact stripped.<br ...