LS3 injectors
#1
Posted 08 March 2021 - 07:55 PM
Rookie question.
Anyone have experience with the above?
My2016 SS ute has an intermitent ( months apart) issue with dropping onto 7 cyl.
Check engine light comes on, as does "Check ESP" light.
Car has a new battery.
Often goes away after a few days.
So, a process of elimination, has me undestanding there is a dicky injector on the rear driver's side cyl.
I have since become aware that 2016/7 LS3s are well known for this injector issue.
Holden apparently fixes them under warranty and even regularly outside warranty.
My preference is just to get a new injector and save myself the drama of leaving it at the dealers ( it's out of warranty) while they consider their position, only to tell me they "cant fault it" , and " there are no stored codes mate, must have been bad fuel...etc etc"
Thus..
To remove an injector, I imagine you need to lift the fuel rail?, how do you disconnect the fuel rail itself ftom the injector?.
I am imagining buying genuine spare ( Bosch?) injector.
Thanks.
#2
Posted 09 March 2021 - 12:46 PM
Easy job.
Attached Files
#3
Posted 09 March 2021 - 01:04 PM
How many km have you done Col
#4
Posted 09 March 2021 - 02:03 PM
You don't have to completely remove the fuel rail to replace the injectors on these engines.
Just unplug the electrical connector remove the retaining clip & undo the bolts which hold the rail down. Lift the rail slightly & remove the injector(s).
For whatever reason the LS3 injectors have a high failure rate early in life, we've sold 100s of them.
Dr Terry
#5
Posted 09 March 2021 - 02:51 PM
Just on 40,000 Gene.How many km have you done Col
I did waste 20m this morn. going back to Holden, where purchased, and Serviced.
They said as it's 15m out of Warranty, I had no show of a freeby.
I asked about goodwill?..nuh.
Makes sense really, what dead company needs to worry about goodwill?.
Anyway..$77 for the part. 1 hour for the job in the shed. No dramas.
Edited by RallyRed, 09 March 2021 - 02:52 PM.
#6
Posted 09 March 2021 - 02:55 PM
You don't have to completely remove the fuel rail to replace the injectors on these engines.
Just unplug the electrical connector remove the retaining clip & undo the bolts which hold the rail down. Lift the rail slightly & remove the injector(s).
For whatever reason the LS3 injectors have a high failure rate early in life, we've sold 100s of them.
Dr Terry
Thanks good Dr.
I can understand that now, however, as an amature, I was worried about "tweaking" the other side O rings if I didn't pull it up squarley.
It's a shame they dont make them anymore , in Hdens.. It looks like they( GM) had put some thought into maintainability..i.e easy to do.
#7
Posted 09 March 2021 - 02:58 PM
You don't have to completely remove the fuel rail to replace the injectors on these engines.
Just unplug the electrical connector remove the retaining clip & undo the bolts which hold the rail down. Lift the rail slightly & remove the injector(s).
For whatever reason the LS3 injectors have a high failure rate early in life, we've sold 100s of them.
Dr Terry
Good to know mine has just clicked over 48000 km and so far no probs with injectors
#8
Posted 09 March 2021 - 03:03 PM
Just on 40,000 Gene.
I did waste 20m this morn. going back to Holden, where purchased, and Serviced.
They said as it's 15m out of Warranty, I had no show of a freeby.
I asked about goodwill?..nuh.
Makes sense really, what dead company needs to worry about goodwill?.
Anyway..$77 for the part. 1 hour for the job in the shed. No dramas.
Yeah i had to take mine back for warranty work at 35000 km for a lower bent pulley
they tried the old you been thrashing it BS then i told them its the missus car
they changed it under protest mine is out of warranty now not a bad thing don’t have to deal with imbeciles at dealerships anymore
#9
Posted 09 March 2021 - 03:27 PM
More Kia signs than you can jump over, a little Holden Service arrow at the front gate. Inside the showroom, at the Setvice desk, more Kia signs...NO, NIL, not even a postage stamp saying " Holden Service".
You feel like you shouldn't be there.
Meanwhile out the back there are plenty of Colorados, SV6 and SS type cars, 3 x SS HWP units, all being serviced by guys in Holden uniforms.
i.e. we will take your money, but please just come and go quietly, we dont want to upset our Loyal Kia owners.
#10
Posted 09 March 2021 - 03:29 PM
One assumes if you use the ACDelco new injector, there is no need to get into the software and do some sort of 0 - 100% span type thing, to let the computer know it is now controlling a new/ different part?
#11
Posted 09 March 2021 - 04:11 PM
Yeah, the whole Holden thing is over at the dealership.
More Kia signs than you can jump over, a little Holden Service arrow at the front gate. Inside the showroom, at the Setvice desk, more Kia signs...NO, NIL, not even a postage stamp saying " Holden Service".
You feel like you shouldn't be there.
Meanwhile out the back there are plenty of Colorados, SV6 and SS type cars, 3 x SS HWP units, all being serviced by guys in Holden uniforms.
i.e. we will take your money, but please just come and go quietly, we dont want to upset our Loyal Kia owners.
Yes agree ,my ute will be my last new Holden but the way the prices are i was thinking of selling it
but i prob will regret it so for now it stays
#12
Posted 09 March 2021 - 04:23 PM
#13
Posted 09 March 2021 - 04:32 PM
40 K good $$$
Keep it.
I am
#14
Posted 09 March 2021 - 04:42 PM
Hey Dr T...a question if I may?
One assumes if you use the ACDelco new injector, there is no need to get into the software and do some sort of 0 - 100% span type thing, to let the computer know it is now controlling a new/ different part?
Shouldn't matter whatever brand injector. Just plug & play. May need a scan tool to clear any fault codes though.
#15
Posted 09 March 2021 - 05:24 PM
Shouldn't matter whatever brand injector. Just plug & play. May need a scan tool to clear any fault codes though.
Ta Dave, I was happy to press the Go button...all the drama lights cleared.
#16
Posted 10 March 2021 - 07:28 AM
Hey Dr T...a question if I may?
One assumes if you use the ACDelco new injector, there is no need to get into the software and do some sort of 0 - 100% span type thing, to let the computer know it is now controlling a new/ different part?
The 'genuine' injectors are made by Bosch. AFAIK there is no other direct fit replacement.
Dr Terry
#17
Posted 10 March 2021 - 08:48 AM
OK, I am then guessing that the ACDelco ones are just reboxed Bosch parts. I purchased them from Holden.
Thanks
#18
Posted 10 March 2021 - 12:03 PM
OK, I am then guessing that the ACDelco ones are just reboxed Bosch parts. I purchased them from Holden.
Thanks
Yes, most likely.
AC Delco don't manufacture much stuff themselves, most of their parts are from various OEM contract suppliers. The injectors themselves will be clearly branded Bosch.
Dr Terry
#19
Posted 10 March 2021 - 12:42 PM
Thanks mate, I'm also glad that it wasn't one of the older AFM model engines as old mate at the parts desk suggested those injectors were worth a lot more $.
#20
Posted 11 March 2021 - 07:17 AM
Thanks mate, I'm also glad that it wasn't one of the older AFM model engines as old mate at the parts desk suggested those injectors were worth a lot more $.
I think he might be a little confused.
There are only 2 part numbers which cover all 6.0 & 6.2 V8s from late VZ to VF & they are similarly priced. This includes L76, L77 (with & without AFM), L98 & LS3. The exceptions are some HSV versions.
Dr Terry
#21
Posted 11 March 2021 - 07:27 AM
OK, just for info of others who may do this.
I asked about purchasing some spare O rings, in case I stuffed any doing the job. Old mate advised they were available, but were worth more than the actual injectors. However, when I opened the injector box at home, it appears each injector comes with 4 times as many O rings and clips than what it needs, thus no need to buy any spares.
FYI
#22
Posted 14 March 2021 - 08:13 PM
If you suspect a spark plug, ht lead, coil or injector, if the car is throwing miss fire codes, swap the plug, coil or injector with a different cylinder, can do all at once(different cylinder for each), note what went where, go for a drive, see if the code/missfire changes cylinder. This can narrow things down a bit quicker.
#23
Posted 13 April 2021 - 05:50 PM
2 other injectors have started to intermittantly play up ( same Check Engine light, Service ESP, rough idle symptoms.
Today I replaced the remaining 7 injectors.
Very easy job.
Thus, looks like if it happens to you...just replace them all, and be done with it.
Attached Files
Edited by RallyRed, 13 April 2021 - 05:54 PM.
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