• Advertisement

Missus cooked my 4jg2

Get help fixing your Isuzu from other club members

Missus cooked my 4jg2

Postby Sylvester » Sun Mar 18, 2018 8:21 am

Hi all , let my missus drive my bighorn and it must of had a leak and she didn't see the temp gauge go full temp ,
when the car stopped going forward she realized something must be wrong :evil:

When I got there I tried to start it but it would not start so had to tow it home ,

I was just wondering what will be stuffed and what I can reuse .

I was thinking of doing a full rebuild but am a bit concerned about the block , turbo , injectors
will these still be able to be reused ?

Thanks
Sylvester
Isuzu Baby
 
Posts: 19
Joined: Sat Mar 07, 2015 6:25 pm
Location: Waiau Pa , Auckland
Age: 35
Country: New Zealand
City: auckland
Vehicle: 1993 isuzu bighorn 3.1 D SWB

Re: Missus cooked my 4jg2

Postby geeves » Sun Mar 18, 2018 5:13 pm

When you tried to start it did it turn over or just go click? The chances are not great and a second hand motor might be te easiest answer
Sanding your knuckles before starting work can help. That way you cant skin them
User avatar
geeves
Site Admin
 
Posts: 8209
Joined: Sun May 10, 2009 1:36 pm
Location: wellington
Age: 55
Country: NZ
City: Wellington
Vehicle: 94 bighorn
96 wizard

Re: Missus cooked my 4jg2

Postby Sylvester » Tue Mar 20, 2018 8:13 am

When I tried to start it just turned over but didn't fire up , just a bit of smoke ,
then two weeks later I tried and eventually it started with heaps of smoke but it seemed to be ok other than the smoke and a little bit of a rough idle but not too bad .

Thanks
Sylvester
Isuzu Baby
 
Posts: 19
Joined: Sat Mar 07, 2015 6:25 pm
Location: Waiau Pa , Auckland
Age: 35
Country: New Zealand
City: auckland
Vehicle: 1993 isuzu bighorn 3.1 D SWB

Re: Missus cooked my 4jg2

Postby geeves » Tue Mar 20, 2018 2:29 pm

You might be lucky. If it doesnt have any bad symptoms after a month you were very lucky
Sanding your knuckles before starting work can help. That way you cant skin them
User avatar
geeves
Site Admin
 
Posts: 8209
Joined: Sun May 10, 2009 1:36 pm
Location: wellington
Age: 55
Country: NZ
City: Wellington
Vehicle: 94 bighorn
96 wizard

Re: Missus cooked my 4jg2

Postby Sylvester » Tue Mar 20, 2018 7:16 pm

so do oyu think it's worth doing it up , the engine is old 400,000 K , so it's time for a rebuild anyways , or could there be trouble doing up a cooked engine .
Will the injectors and turbo be OK?

Thanks
Sylvester
Isuzu Baby
 
Posts: 19
Joined: Sat Mar 07, 2015 6:25 pm
Location: Waiau Pa , Auckland
Age: 35
Country: New Zealand
City: auckland
Vehicle: 1993 isuzu bighorn 3.1 D SWB

Re: Missus cooked my 4jg2

Postby tonkamu » Wed Mar 21, 2018 11:39 am

Turbo can with stand more heat than the engine I think, they are cheap as chips anyway
tonkamu
Isuzu Junior
 
Posts: 127
Joined: Sun Jan 01, 2017 7:23 am
Age: 36
Country: NZ
City: Auckland
Vehicle: 2.8 Mu 1991 All Black. MODS - Rear Lifted 2.5" Lovells Leafs / Rear Lokka / 33" Achilles / 9500 RUNVA w plug n kills switch inside cab / EGT, Voltage, Turbo timer, Boost gauge / 20 PSI VF10 Turbo with VF10 exhaust housing 2.5" downpipe with merged 2" wastegate pipe to full 2.5" straight pipe / GFB Boost Tap / Maxed fuel with grinded down cable stop / Adjusted Boost Compensator / 3.1 Oil Cooler / Intercooled / 3" Custom intake to sealed K&N airbox & filter to Snorkel / Catch Can / Xtreme Outback HD clutch / 80 amp alt / RockfordFosgate 300rms AMP w 2X Rockford Power 6x9's BT HDeck / all EGR, QWS, AC pump deleted.

Re: Missus cooked my 4jg2

Postby geeves » Wed Mar 21, 2018 1:55 pm

last genuine turbo I bought was 1100. The chinese copies are hit and miss Some ok some not. Only way to tell them apart is blow one up or not
Sanding your knuckles before starting work can help. That way you cant skin them
User avatar
geeves
Site Admin
 
Posts: 8209
Joined: Sun May 10, 2009 1:36 pm
Location: wellington
Age: 55
Country: NZ
City: Wellington
Vehicle: 94 bighorn
96 wizard

Re: Missus cooked my 4jg2

Postby damo667 » Mon Dec 03, 2018 8:20 pm

I've really gone and done it this time..

The Missus was driving the 4jb1 down south and I told her to keep an eye on the temperature because is gone through a few hoses lately..
she notice the gauge start to go up and stopped, water bubbling in reservoir!!.. after 20mins of cooling down, topped up coolant and started to drive again...

The temperature shot up again, this time she started to panic about being stranded with two screaming kids in the back so she nursed it along for another 10-20 mins to the next town to wait to be rescued.. problem is in that final 15 mins of hot running, engine developed a loud ticking sound

We towed it home, I've started it up and ticking sounds like its coming from block.. cant see water leaking anywhere.. on idle ticking is almost unnoticeable.. gets louder/faster with throttle.. no noticeable oil in water or visa versa

I was optimistically thinking take off the waterpump and examine that, any other ideas??

Thanks in advance
vroom..._____________...........
vroom./---------|--------\.......
..&.....||______|_____O-\______....
....&...|--____---------------____--\..
........=\/-----\__________/-----\_|...
............\___/..................\___/...
User avatar
damo667
Isuzu Senior
 
Posts: 249
Joined: Fri May 27, 2011 12:27 pm
Age: 31
Country: new zealand
City: queenstown
Vehicle: 1990 Bighorn 2.8D Irmscher LWB
Roof rack,
31/10.5/15 Hankook Dynapro AT-M tyres,
6" speakers front and back, Sony head unit,
DIY Snorkel & K&N cotton filter,
Boost,EGT gauge
Adjusted boost,
Adjusted fuel,
High-flow muffler 2'5" pipe
2" suspension lift
EFS shocks

"the little rihno"

Re: Missus cooked my 4jg2

Postby geeves » Tue Dec 04, 2018 2:40 pm

I thought you had a 4jb1. You might get lucky but you won't know for a week or 2. Ticking might just be a taper or noise that's always been there if you had listened but might also be a head leak. Could also be a broken ring. Looking at water pump will only help if the pump is at fault. There have been a few that have rusted the impellor. Head failure in these rarely mixes oil and water. Normally only compression leak into radiator. This might be a little causing the engine to pressurise blowing hoses and forcing water into the bore when stopped causing white smoke on start up or it could be severe. I saw this on a Toyota 3l engine. First crank with cap off saw a litre of water expelled rapidly from the radiator soaking the person that was watching for bubbles
Sanding your knuckles before starting work can help. That way you cant skin them
User avatar
geeves
Site Admin
 
Posts: 8209
Joined: Sun May 10, 2009 1:36 pm
Location: wellington
Age: 55
Country: NZ
City: Wellington
Vehicle: 94 bighorn
96 wizard

Re: Missus cooked my 4jg2

Postby isuzurob » Tue Dec 04, 2018 5:23 pm

4jb1 are tough mine got alot of 125 degree c temps and boiling and was fine still after cleaning the radiator out, have engines if you get stuck
isuzurob
Global Moderator
 
Posts: 1649
Joined: Mon Jun 07, 2010 6:12 pm
Age: 25
Country: New Zealand
City: Taupo
Vehicle: 1990 Isuzu Bighorn 2.8t/d, 3" extended shackles, 2" body lift, 33" silverstone extreme tyres, Front+rear bars, winch with 40m dyneex rope, 21/2 inch exhaust, lokka's front+rear, custom turbo, emissions removed, injector pump modified and more

Re: Missus cooked my 4jg2

Postby damo667 » Wed Dec 05, 2018 8:40 pm

Cheers guys

Mine is a 4JB1 Geeves, just jumped onto this thread a it looked a bit similar..
Is there an easy way to check the head/gasket before I try the waterpump idea?
Would there be bubbles in the radiator from cold or only once the thermostat opens??
Also can you think of any other tests I can do to eliminate any other possibilities??

Might have to take you up on that engine Rob I presume if its cracked head, broken piston rings, bearings or anything that major then new engine would be cheaper and easier!!
vroom..._____________...........
vroom./---------|--------\.......
..&.....||______|_____O-\______....
....&...|--____---------------____--\..
........=\/-----\__________/-----\_|...
............\___/..................\___/...
User avatar
damo667
Isuzu Senior
 
Posts: 249
Joined: Fri May 27, 2011 12:27 pm
Age: 31
Country: new zealand
City: queenstown
Vehicle: 1990 Bighorn 2.8D Irmscher LWB
Roof rack,
31/10.5/15 Hankook Dynapro AT-M tyres,
6" speakers front and back, Sony head unit,
DIY Snorkel & K&N cotton filter,
Boost,EGT gauge
Adjusted boost,
Adjusted fuel,
High-flow muffler 2'5" pipe
2" suspension lift
EFS shocks

"the little rihno"

Re: Missus cooked my 4jg2

Postby geeves » Thu Dec 06, 2018 2:58 pm

Hard to know. If its overheating in a short time from cold that is not good. If its blowing all the coolant into the resivoir that's bad. If it has more crankcase pressure than normal then run it till it stops and take Robs offer.
An Escort I had did a head gasket but the bubbles built up under the thermostat. 5km out of Rotorua it boiled but the radiator was stone cold. Took the thermostat out filled with geothermal water and drove back to Wellington. Carib I had had a leaky head and just had an oily radiator for a year and 30000km before I sold it. The Opel I had would pressurise the radiator and spit steam out the exhaust on start up. Sold that very quick
Sanding your knuckles before starting work can help. That way you cant skin them
User avatar
geeves
Site Admin
 
Posts: 8209
Joined: Sun May 10, 2009 1:36 pm
Location: wellington
Age: 55
Country: NZ
City: Wellington
Vehicle: 94 bighorn
96 wizard

Re: Missus cooked my 4jg2

Postby isuzurob » Thu Dec 06, 2018 3:40 pm

Getting it hot doesnt worry the 4jb1 if it keeps the water in it, the noise is what I'd be worried about, normally they pick up in the sleeves if they have a good cook up, have engines here if you get stuck or just sell me the whole truck haha
isuzurob
Global Moderator
 
Posts: 1649
Joined: Mon Jun 07, 2010 6:12 pm
Age: 25
Country: New Zealand
City: Taupo
Vehicle: 1990 Isuzu Bighorn 2.8t/d, 3" extended shackles, 2" body lift, 33" silverstone extreme tyres, Front+rear bars, winch with 40m dyneex rope, 21/2 inch exhaust, lokka's front+rear, custom turbo, emissions removed, injector pump modified and more

Re: Missus cooked my 4jg2

Postby damo667 » Thu Dec 06, 2018 7:25 pm

Sweet cheers for the info and advice
I've got something to work with now..

I'll get her going and see what happens, fingers cross it heats up normally and the ticking is just a stuffed waterpump :|
vroom..._____________...........
vroom./---------|--------\.......
..&.....||______|_____O-\______....
....&...|--____---------------____--\..
........=\/-----\__________/-----\_|...
............\___/..................\___/...
User avatar
damo667
Isuzu Senior
 
Posts: 249
Joined: Fri May 27, 2011 12:27 pm
Age: 31
Country: new zealand
City: queenstown
Vehicle: 1990 Bighorn 2.8D Irmscher LWB
Roof rack,
31/10.5/15 Hankook Dynapro AT-M tyres,
6" speakers front and back, Sony head unit,
DIY Snorkel & K&N cotton filter,
Boost,EGT gauge
Adjusted boost,
Adjusted fuel,
High-flow muffler 2'5" pipe
2" suspension lift
EFS shocks

"the little rihno"


Return to Engine

Who is online

Users browsing this forum: No registered users and 1 guest