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6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum

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Old 04-23-2017, 10:29 PM   #1 (permalink)
JCDiesel
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Smoke after timing chain and gear replacement

I had a small issue when i installed my chain i didnt see the correct mark you can see the circle. If you look left of that theres a small indent and i lined that up instead by turning my cam gear a bit. I thought that was strange but equated it to chain stretch and though maybe i acidentally rotated the cam. Any hiw when i went to turn the motor by hand it stopped I knew i had hit a valve and reversed it thats when i noticed the correct mark on the crank gear which is very faint especially looking from above. Well question is i now have some smoke and a naghing faint rattle i cant quite tune out. Do you think i broke a retainer or messed up a valve? Heres a video of me rambling on a couple minutes upside down

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81 Chevette 1.8 Isuzu diesel 24,000 miles
82 Park Ave. 5.7 DX Stock with Stanadyne FWS and Filtermag
81 Riviera 5.7 Donor vehicle for The 82 Park Ave Compliments of 57Diesel
82 C10 2WD 6.2 Parts Truck
91 Suburban 2500 4x4 6.2 Bad Transmission
85 Cadillac Deville factory 4.3 Oldsmobile Diesel
91 GMC Sierra K1500 6.2 NA Bad Transmission
94 K3500 CC DRW 6.5TD All the normal stuff done. DE exhaust Custom Parker Racor Rust free beauty
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my guess would be shocks
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Originally Posted by alpacalips View Post
Even the guys who own them aren't 5.7 guys.
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Old 04-23-2017, 10:47 PM   #2 (permalink)
dieselolds
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The marks look good in the picture.Its definitely aligned.So if you rotate the engine manually there's now no issue?So you didn't run the engine with the marks mismatched right?Just turning it manually?If just manually Im sure your fine.In my opinion you didn't damage anything by just turning the engine over by hand.

The chances of breaking a retainer or valve is next to none.I would not worry about that.

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1996 GMC Sierra ext.cab Z71....with new genuine GM 6.2 660 short block,4L80E/6.5TD cylinder heads,DS4 5521S,82' 6.2 rocker arms,acdelco TP1069/Racor 20S fuel filters,4" diamond eye exhaust,3.73 G80 locker,stanadyne 37818 injectors

1996 Chevy K1500 Z71.....with '99 6.5 506 goodwrench van engine,88-93 6.2 diesel Napa y-pipe,'87 700R4,acdelco TP630F/Racor 20S fuel filters,Bosch non-turbo injectors,stanadyne blue tag 5088

1993 Chevy K1500 Z71...with 97' 6.5 TD 506 block,82' 6.2 rocker arms,stanadyne 37818 injectors,stanadyne blue tag 4911,DSG girdle,reman 700R4,Banks boost/pyrometer gauges,acdelco TP1069/TP943 fuel filter system,4 diamond eye exhaust/2 piece crossover

2008 Mercedes Benz E320 3.0 V6 turbo diesel

2013 Volkswagen Passat 2.0 TDI

Last edited by dieselolds; 04-23-2017 at 10:51 PM.
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Old 04-23-2017, 10:50 PM   #3 (permalink)
JCDiesel
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https://youtu.be/lf9tBNuk3jA
__________________
81 Chevette 1.8 Isuzu diesel 24,000 miles
82 Park Ave. 5.7 DX Stock with Stanadyne FWS and Filtermag
81 Riviera 5.7 Donor vehicle for The 82 Park Ave Compliments of 57Diesel
82 C10 2WD 6.2 Parts Truck
91 Suburban 2500 4x4 6.2 Bad Transmission
85 Cadillac Deville factory 4.3 Oldsmobile Diesel
91 GMC Sierra K1500 6.2 NA Bad Transmission
94 K3500 CC DRW 6.5TD All the normal stuff done. DE exhaust Custom Parker Racor Rust free beauty
Quote:
Originally Posted by smackzed View Post
my guess would be shocks
Quote:
Originally Posted by alpacalips View Post
Even the guys who own them aren't 5.7 guys.
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Old 04-23-2017, 10:53 PM   #4 (permalink)
JCDiesel
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Quote:
Originally Posted by dieselolds View Post
The marks look good in the picture.Its definitely aligned.So if you rotate the engine manually there's now no issue?So you didn't run the engine with the marks mismatched right?Just turning it manually?If just manually Im sure your fine.In my opinion you didn't damage anything by just turning the engine over by hand.
No didnt run it or try to start it like that this was all by hand before i even installed the timing cover just cant shake the smoke. Ill hook up scan again and check the offset.
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81 Chevette 1.8 Isuzu diesel 24,000 miles
82 Park Ave. 5.7 DX Stock with Stanadyne FWS and Filtermag
81 Riviera 5.7 Donor vehicle for The 82 Park Ave Compliments of 57Diesel
82 C10 2WD 6.2 Parts Truck
91 Suburban 2500 4x4 6.2 Bad Transmission
85 Cadillac Deville factory 4.3 Oldsmobile Diesel
91 GMC Sierra K1500 6.2 NA Bad Transmission
94 K3500 CC DRW 6.5TD All the normal stuff done. DE exhaust Custom Parker Racor Rust free beauty
Quote:
Originally Posted by smackzed View Post
my guess would be shocks
Quote:
Originally Posted by alpacalips View Post
Even the guys who own them aren't 5.7 guys.
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Old 04-23-2017, 10:56 PM   #5 (permalink)
dieselolds
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The engine sounds good.Cant hear anything wrong with it.Might try doing a KOKO procedure to let the pcm look for new parameters.It may help your smoke condition.Nice blue belt by the way
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1996 GMC Sierra ext.cab Z71....with new genuine GM 6.2 660 short block,4L80E/6.5TD cylinder heads,DS4 5521S,82' 6.2 rocker arms,acdelco TP1069/Racor 20S fuel filters,4" diamond eye exhaust,3.73 G80 locker,stanadyne 37818 injectors

1996 Chevy K1500 Z71.....with '99 6.5 506 goodwrench van engine,88-93 6.2 diesel Napa y-pipe,'87 700R4,acdelco TP630F/Racor 20S fuel filters,Bosch non-turbo injectors,stanadyne blue tag 5088

1993 Chevy K1500 Z71...with 97' 6.5 TD 506 block,82' 6.2 rocker arms,stanadyne 37818 injectors,stanadyne blue tag 4911,DSG girdle,reman 700R4,Banks boost/pyrometer gauges,acdelco TP1069/TP943 fuel filter system,4 diamond eye exhaust/2 piece crossover

2008 Mercedes Benz E320 3.0 V6 turbo diesel

2013 Volkswagen Passat 2.0 TDI

Last edited by dieselolds; 04-23-2017 at 10:59 PM.
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Old 04-23-2017, 11:16 PM   #6 (permalink)
JCDiesel
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Quote:
Originally Posted by dieselolds View Post
The engine sounds good.Cant hear anything wrong with it.Might try doing a KOKO procedure to let the pcm look for new parameters.It may help your smoke condition.Nice blue belt by the way
Lol ya thats a gates racing belt for a mustang! This is obd1 so koko do3snt work but ill hook up gm scantech again and check it. Thanks for the view, no ads on my channel!
__________________
81 Chevette 1.8 Isuzu diesel 24,000 miles
82 Park Ave. 5.7 DX Stock with Stanadyne FWS and Filtermag
81 Riviera 5.7 Donor vehicle for The 82 Park Ave Compliments of 57Diesel
82 C10 2WD 6.2 Parts Truck
91 Suburban 2500 4x4 6.2 Bad Transmission
85 Cadillac Deville factory 4.3 Oldsmobile Diesel
91 GMC Sierra K1500 6.2 NA Bad Transmission
94 K3500 CC DRW 6.5TD All the normal stuff done. DE exhaust Custom Parker Racor Rust free beauty
Quote:
Originally Posted by smackzed View Post
my guess would be shocks
Quote:
Originally Posted by alpacalips View Post
Even the guys who own them aren't 5.7 guys.
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Old 04-23-2017, 11:17 PM   #7 (permalink)
dieselolds
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No problem
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1996 GMC Sierra ext.cab Z71....with new genuine GM 6.2 660 short block,4L80E/6.5TD cylinder heads,DS4 5521S,82' 6.2 rocker arms,acdelco TP1069/Racor 20S fuel filters,4" diamond eye exhaust,3.73 G80 locker,stanadyne 37818 injectors

1996 Chevy K1500 Z71.....with '99 6.5 506 goodwrench van engine,88-93 6.2 diesel Napa y-pipe,'87 700R4,acdelco TP630F/Racor 20S fuel filters,Bosch non-turbo injectors,stanadyne blue tag 5088

1993 Chevy K1500 Z71...with 97' 6.5 TD 506 block,82' 6.2 rocker arms,stanadyne 37818 injectors,stanadyne blue tag 4911,DSG girdle,reman 700R4,Banks boost/pyrometer gauges,acdelco TP1069/TP943 fuel filter system,4 diamond eye exhaust/2 piece crossover

2008 Mercedes Benz E320 3.0 V6 turbo diesel

2013 Volkswagen Passat 2.0 TDI
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Old 04-24-2017, 03:13 PM   #8 (permalink)
nsdtk
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You probably know but make sure its at operating temp before you do a tdco learn
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1995 GMC C1500 non turbo 6.5L 4L60E xVDOT truck. High Idle mod. Grey PMD on a FSD sync #9 resistor. Vaccum pump removed. No more EGR. Air intake opened up. 3 inch exaust on a high flow muffler. New push rods, Rockers arms at 246k. Was over10,000ths wear on the rocker arms.1998 style High Flow oil pump installed. Spins tires with little throttle again. 6.2 Injectors.Back running 80mph @ 21mpg. All this and now it won't roll black smoke at all. Just acts like a rocket ship 2004 Leather bucket seats from a Tahoe installed. That was a engineering fiasco glad that's over. Dorman PMD now, Grey one died. Tried number 5 resister again went back to a 9 just a dog with out it.OPS sensor rewired to remove load , fuel pump totally rewired as well. Now QuadStar tuned.
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Old 04-24-2017, 09:04 PM   #9 (permalink)
DieselPro
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I enjoyed the video! Especially when you snapped the hood down.

If you just turned it by hand I doubt you hurt anything. When a valve hits the piston you usually end up with a bent valve.. If you did disturb the seating just a little it might clear itself up.
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Old 04-24-2017, 10:45 PM   #10 (permalink)
JCDiesel
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Quote:
Originally Posted by DieselPro View Post
I enjoyed the video! Especially when you snapped the hood down.

If you just turned it by hand I doubt you hurt anything. When a valve hits the piston you usually end up with a bent valve.. If you did disturb the seating just a little it might clear itself up.
Ok thanks. Also worth mentioning my sweetheart ran it out of fuel right before i did the chain and water pump. Like right before, she ran it out i primed the system got it running then moved it 100 feet to where i did the chain and water pump. Do you think the ip being starved messed it up?


Quote:
Originally Posted by nsdtk View Post
You probably know but make sure its at operating temp before you do a tdco learn
Affirmative. Instructions read 180F i had it at 183.

__________________
81 Chevette 1.8 Isuzu diesel 24,000 miles
82 Park Ave. 5.7 DX Stock with Stanadyne FWS and Filtermag
81 Riviera 5.7 Donor vehicle for The 82 Park Ave Compliments of 57Diesel
82 C10 2WD 6.2 Parts Truck
91 Suburban 2500 4x4 6.2 Bad Transmission
85 Cadillac Deville factory 4.3 Oldsmobile Diesel
91 GMC Sierra K1500 6.2 NA Bad Transmission
94 K3500 CC DRW 6.5TD All the normal stuff done. DE exhaust Custom Parker Racor Rust free beauty
Quote:
Originally Posted by smackzed View Post
my guess would be shocks
Quote:
Originally Posted by alpacalips View Post
Even the guys who own them aren't 5.7 guys.

Last edited by JCDiesel; 04-24-2017 at 10:45 PM.
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