95 rodeo 2.6l australia model

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95 rodeo 2.6l australia model

Postby Mmick » Wed Dec 28, 2016 9:38 pm

Hi ..how do i tell if i have a g series motor or not? Some say to set timing to no1 ..others say no4 ..which is it? Thanks .
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Re: 95 rodeo 2.6l australia model

Postby JLEMOND » Sat Dec 31, 2016 5:41 pm

THE G SERIES ENG HAS THE DIST UP FRONT AND IS A CHAIN DRIVE CAMSHAFT , AND IN A RODEO WOULD BE A REAL LAME DUCK, IT WAS ONLY 90 HP AND A 2.0 LITER THE Z SERIES IS THE 2.6 AND THE 2.3 AND ALLS SO A 2.0 IN THE IMPULSE .

4ZA1 IS 1.6 L
4ZB1 1.8

4ZC1 == 2.0 WAS TURBO ONLY IN THE U.S WITH FI
4ZD1 == 2.3 CARB, AND FI IN U.S
4ZE1 == 2.6 FI ONLY IN U.S
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Re: 95 rodeo 2.6l australia model

Postby Mmick » Sat Dec 31, 2016 6:15 pm

Thanks for the info ..i did get it running ..i timed it on no4 ...and I'm in australia ..its a 2.6 litre ...4ez1 ..dist at the back left ...it is running now ..
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Re: 95 rodeo 2.6l australia model

Postby Mmick » Mon Jan 02, 2017 12:35 am

Well i just took it for a drive ..no power so im guessing its not timed right. If i buy a timing light ..do i put the lead on no1 or no4? And i read somewhere that i must block off a vacuum hose before i set the timing ...is this true? Anyone have a link to step by step for this for me? I've just lost my job and really can't afford to take it to a shop ..I'm so close to fixing it im gunna scream ....any help would be great ...thanks
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Re: 95 rodeo 2.6l australia model

Postby DSUZU » Mon Jan 02, 2017 7:18 am

You unplug the vacuum hose on the distributor and plug it while setting timing. You can time off EITHER 1 or 4 just use the correct sparkplug wire. 1 and 4 are both TDC at the same time. Firing is determined by the cam and distributor. Also, be aware that on many 2.6s with the harmonic balancer, the outside of the balancer can slip causing the timing mark to not be accurate. If possible, remove #1 plug and bring it to the point where the piston is at the top (flashlight htru plug hole) and see where the mark is (can be off by a little as there is some swing variation when piston is TDC) May help to remove top timing belt cover and check cam timing mark (#4 TDC) Dennis
1991 LS Trooper 2.8 V6 5 speed conversion (Sold)
1989 LS Spacecab 2.6 5 speed 4x4 manual hubs, Rodeo torsion bars, extended shackles, 2" lift, K&N airfilter (drop in), dump bed conversion, burgundy interior change, warn brush bar.
Previously owned: 1987 Trooper II LS, 1989 Trooper (parts only), 1994 Trooper 3.2 Auto, 1997 Rodeo 2.6 5 speed, 1993 shortbed pickup 2.3 (project - sold) 1992 Rodeo 4x4 LS (parts car, devoured by Spacecab needs) plus some 70 plus other non Isuzu vehicles over the years.

http://forum.planetisuzoo.com/viewtopic.php?f=15&t=64060

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Re: 95 rodeo 2.6l australia model

Postby Mmick » Mon Jan 02, 2017 10:36 am

Thanks dennis ..i have done exactly what you have said to get tdc ..the only thing i am confused about is the vacuum hose on the distributor?? I don't have any hoses going to the distributor ...??
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Re: 95 rodeo 2.6l australia model

Postby kg4miq » Mon Jan 02, 2017 3:17 pm

Dennis' comment is if you have done a carb conversion on the 4ZE1. Normally, if the fuel-injection is still in place (ITEC), then there is no vacuum line to the distributor, as the timing advance is electronically controlled.

If you've aligned the cam timing gear to TDC and it's corresponding mark, and the valve clearances are set correctly, you should be able to loosen the adjusting nut on the top side of the distributor bracket, and rotate the distributor by hand either direction (clockwise or counterclockwise) and make adjustments accordingly. Try it one direction first, and if that doesn't help, go back the other direction. If neither direction makes an improvement, reset the engine to TDC and adjust your valves first, then try the distributor adjustment again.

For the valve adjustment, if you set TDC on #4, adjust the #4 intake and exhaust, #3 intake, and #2 exhaust, then rotate the crankshaft one full turn (camshaft is now 180 degrees from where it was), and adjust #1 intake/exhaust, #2 intake, and #3 exhaust, you should be good. Valve clearances are .008 inches (.020mm).

Hope this helps.
/tim

EDIT: Corrected the order sequence of valve adjustments.
Last edited by kg4miq on Mon Jan 02, 2017 6:02 pm, edited 2 times in total.
How to rebuild a 2.6L 4ZE1 distributor

'89 S Trooper - "Kal-El" - 4ZE1
'88 LS Trooper - "Delta" - 4ZE1
'92 Pickup - "Blacktail" - 4ZE1
'89 S Trooper - "Red Leader" - 4ZE1
'89 SE Trooper - "Vader" - 4ZE1
'90 Trooper - "Leia" - 4JG2T swap on hold
'89 Pickup - "Wicket" - 4ZD1
'90 S Trooper - "Nan" - 4ZE1 (possible V8 swap - Ford 302 with 5 speed?)
'94 S Amigo - "Artoo" - 4ZE1, SOLD
'92 XS Rodeo - "Jabba", LH0, 3.1L V6
'89 S Trooper - "Chewie" - 4ZE1, TRADED
'89 XS Trooper - "Red" - 4ZE1, SOLD, bought it back
'89 LS Trooper - "Obi-Wan" - LH0, 3.1L V6
'88 S Trooper - "Stormtrooper" - 4ZE1, SOLD
'91 S Trooper - "Ghost" - L32, 3.4L V6, SOLD
'89 S Trooper - "Angry Bird" - 4ZE1, SOLD
'89 S Trooper - "Phantom" - 4ZE1, salvaged
'90 Pickup - "Uno" - 4ZD1, SOLD
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Re: 95 rodeo 2.6l australia model

Postby Mmick » Mon Jan 02, 2017 4:03 pm

Thanks Tim ...that makes sense ...i have adjusted the distributor as you said ..and it sounds great sitting in my driveway ..when i try to drive it ..i have no power ..i don't believe the valves are wrong because i just had the head reconditioned and a burnt valve replaced ...by a cylinder head shop ..the guy said it was a great head and was fine ..he even charged me $100 less than quoted ...i noticed the valve were in the same place when i picked it up ...i reinstalled the motor and set everything as described above. When i set tdc i turned the .otor by hand a few times i looked at the valves and noticed all are closed when its at tdc ..i had the rocket cover off and watched them all rise and lower ..i assume they are right ...
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Re: 95 rodeo 2.6l australia model

Postby kg4miq » Mon Jan 02, 2017 5:59 pm

It may sound great sitting still (I had one I was working on today which did this very thing), and the distributor may be adjusted perfectly fine at idle, but when placed under a load, the engine may feel like it's lacking power, because the spark isn't getting to the cylinder at the best moment. Loosen the 12mm nut on the bracket on top of the distributor and adjust it slightly counterclockwise (anticlockwise). Then, take it out for a spin and see how it is affected. If you have it adjusted too far anticlockwise, the engine will be hard to start, as the spark is hitting the cylinders prior to TDC. It only takes a few degrees to make a difference. Just watching the valves open and close is not enough to gauge whether or not they're working correctly. You must ensure they are adjusted correctly, or you may experience the symptoms you have. Only takes about 30 minutes to adjust them. There's a youtube video on how to do it. Search for "isuzu trooper valve adjustment".

On the other hand, is there a possibility your catalytic converter or muffler are clogged? I'd have those replaced (at least the catalytic converter), or removed, if emissions are not a concern in your location, and a straight pipe welded into the exhaust system, bypassing the catalytic converter.
How to rebuild a 2.6L 4ZE1 distributor

'89 S Trooper - "Kal-El" - 4ZE1
'88 LS Trooper - "Delta" - 4ZE1
'92 Pickup - "Blacktail" - 4ZE1
'89 S Trooper - "Red Leader" - 4ZE1
'89 SE Trooper - "Vader" - 4ZE1
'90 Trooper - "Leia" - 4JG2T swap on hold
'89 Pickup - "Wicket" - 4ZD1
'90 S Trooper - "Nan" - 4ZE1 (possible V8 swap - Ford 302 with 5 speed?)
'94 S Amigo - "Artoo" - 4ZE1, SOLD
'92 XS Rodeo - "Jabba", LH0, 3.1L V6
'89 S Trooper - "Chewie" - 4ZE1, TRADED
'89 XS Trooper - "Red" - 4ZE1, SOLD, bought it back
'89 LS Trooper - "Obi-Wan" - LH0, 3.1L V6
'88 S Trooper - "Stormtrooper" - 4ZE1, SOLD
'91 S Trooper - "Ghost" - L32, 3.4L V6, SOLD
'89 S Trooper - "Angry Bird" - 4ZE1, SOLD
'89 S Trooper - "Phantom" - 4ZE1, salvaged
'90 Pickup - "Uno" - 4ZD1, SOLD
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Re: 95 rodeo 2.6l australia model

Postby Mmick » Mon Jan 02, 2017 7:08 pm

Thanks.for your input ..and fast reply ..ive never set valves so ill check the video you mentioned. No i don't believe theres a blocked muffler as everything was fine before the rebuild ..and it does sit on 3000 revs nicely ...
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