4JA1 Engine, Are there any problems?

**weisshorn** · March 18th, 2010 10:07 PM

Yes engine shop manual nga ito pertaining to 4J series. Wala itong electrical pero simple na lang naman kung electrical ng HighLander ang pag-usapan dahil basic set-up lang siya.

**miked** · March 19th, 2010 10:24 AM

Mga boss,

dito ko nakita nun ang kasagutan sa ating mga matagal nang pinapangarap. hikbi!

i drive a 4d56t now but used to drive a 4ja1 powered workhorse. and still planning to go back to it with my new project....mazda r manuals bka gusto nyo rin...wehehehehe

read on & enjoy

http://www.clubisuzu.com/viewtopic.php?f=12&t=702

**chitobarba1972** · March 20th, 2010 09:23 PM

Originally Posted by niwde11

thanks weisshorn, yan din nakita ko previously.

OT
chitobarba1972; did you work for SMC before?

Yes sir, been with SMC for 15 years.... hehehehehe

**Gerbo** · March 21st, 2010 09:06 AM

Why can't the 4JA1 become a block where a CRDI system with intercooled turbo can be latched to increased the power output akin to what Mitsubishi did to its 4D56?

This will give hope to those who will find the Crosswind underpowered.

**weisshorn** · March 21st, 2010 09:55 AM

Originally Posted by Gerbo

Why can't the 4JA1 become a block where a CRDI system with intercooled turbo can be latched to increased the power output akin to what Mitsubishi did to its 4D56?

This will give hope to those who will find the Crosswind underpowered.

This might be a good idea but I wonder how will an engine fitted with push rods & rocker arms behave in crdi environment

**niky** · March 21st, 2010 12:27 PM

Originally Posted by weisshorn

This might be a good idea but I wonder how will an engine fitted with push rods & rocker arms behave in crdi environment

More to the point, the loose tolerances and timing of the 4JA1 might not be suitable for CRDi. The 4D56 was a more modern engine already, SOHC with finer tolerances and quieter running. It still had some life left in it when CRDi came along, so re-engineering it for use as a CRDi / DiD was easy. The 4JA1 won't be. Besides, Isuzu already has its own series of i-Teq engines. They just won't put them on the Crosswind because of the expense.

(Note: Mitsu Strada's 850k base model is already CRDi... Isuzu's base D-Max is 4JA1T only)

**dongmbb** · March 22nd, 2010 12:29 AM

Originally Posted by miked

Mga boss,

dito ko nakita nun ang kasagutan sa ating mga matagal nang pinapangarap. hikbi!

i drive a 4d56t now but used to drive a 4ja1 powered workhorse. and still planning to go back to it with my new project....mazda r manuals bka gusto nyo rin...wehehehehe

read on & enjoy

http://www.clubisuzu.com/viewtopic.php?f=12&t=702

Sir Miked,

Thank you very much and I completely download the PDF file of Troper Engine service manual, but I'm still searching for service manual of 4JA1 engine model 2010.

Best regards and more power,

Dongmbb

**miked** · March 23rd, 2010 08:26 AM

boss dongmbb

afaik, the mechanicals of 2010 4ja1 ay hindi nalalayo sa mga naunang 4ja1. they are still the timing gear-pushrod mechanism etc.

or you may try searching other manuals sa *******pump.com

**digitel** · April 4th, 2010 04:21 PM

Originally Posted by miked

boss dongmbb

afaik, the mechanicals of 2010 4ja1 ay hindi nalalayo sa mga naunang 4ja1. they are still the timing gear-pushrod mechanism etc.

or you may try searching other manuals sa *******pump.com

YEah! They are roughly the same, baka mga electricals lang yung naiba.