FS N54 Index 12 injectors

matreyia

Major
Apr 19, 2017
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Thanks for the advice! I was going to do the injectors at the same time as the VC gasket since I heard it will be easier the replace the VC with the injectors removed. Any issues you know of putting on the new gasket and VC with the injectors removed?

I would actually recommend that you do the VC with injectors removed for better visibility and maneuverability. You must be sure to plug up all injector holes to prevent debris falling in. Order a container of transmission grease, apply into the VC grooves where the gasket goes into, then insert gasket into the groves and let the grease ooze out a bit, you can wipe a bit off if you like but not necessary. Then you can place the VC with the gasket stuck onto the grooves without high chance of the gasket falling out in some out of sight section resulting in potential damage to the gasket from pinching when you screw down the VC. Without the transmission grease, I can only say "good luck".

Do not use any other kind on grease on this VC job. You will risk contamination. Transmission grease is special and will melt away when temperatures rise. Therefore no issues will arise concerning contamination. The grease will help make the gasket stay in place because it is very thick in gelatinous. That's what they use when assembling transmission gears and washers to make them stay in place during the process.
 

Jeffman

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Cool. Thanks to you both. The transmission grease is a good idea - the Bentley manual apparently suggests to use glycerin. Both are hydrocarbons so probably no huge difference. They will help hold the gasket on the VC when placing it back on the motor, but also slippery to allow the gasket to squish down evenly while torquing the bolts.
 

Jeffman

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Bam! I just got mine yesterday before the sale ended. Probably one of the last sets on sale. I hesitated at first because my old injectors “seem fine”, but boy am I glad that I pulled the trigger. :D
 
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Jeffman

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I would actually recommend that you do the VC with injectors removed for better visibility and maneuverability. You must be sure to plug up all injector holes to prevent debris falling in. Order a container of transmission grease, apply into the VC grooves where the gasket goes into, then insert gasket into the groves and let the grease ooze out a bit, you can wipe a bit off if you like but not necessary. Then you can place the VC with the gasket stuck onto the grooves without high chance of the gasket falling out in some out of sight section resulting in potential damage to the gasket from pinching when you screw down the VC. Without the transmission grease, I can only say "good luck".

Do not use any other kind on grease on this VC job. You will risk contamination. Transmission grease is special and will melt away when temperatures rise. Therefore no issues will arise concerning contamination. The grease will help make the gasket stay in place because it is very thick in gelatinous. That's what they use when assembling transmission gears and washers to make them stay in place during the process.

What do you think of this stuff? It looks to be what you describe.
Lubegard 19260 Dr. Tranny Assemblee Goo, Blue, Light Tack Lubricant, 16 oz. https://www.amazon.com/dp/B000B8UPCY/ref=cm_sw_r_cp_api_wnTZAb4QBBJEY
 
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matreyia

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Apr 19, 2017
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Cool. Thanks to you both. The transmission grease is a good idea - the Bentley manual apparently suggests to use glycerin. Both are hydrocarbons so probably no huge difference. They will help hold the gasket on the VC when placing it back on the motor, but also slippery to allow the gasket to squish down evenly while torquing the bolts.

Ignore the Bentley recommendations on glycerin. You will regret using it because it does not hold the gasket in place...it actually makes it fall out easier. Don't know what they were thinking.

However, always have glycerine when installing inlets, outlets, or radiator fan.
 
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matreyia

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Bam! I just got mine yesterday before the sale ended. Probably one of the last sets on sale. I hesitated at first because my old injectors “seem fine”, but boy am I glad that I pulled the trigger. :D

Yep...it's a no brainer. Now you have lifetime injector warranty without any hassle. And that's why I bought a kit even though I don't have any issues. And I installed them, saved the old index 12s for emergencies or selling. Because it makes no sense to have lifetime injectors just sitting around on a shelf.
 
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Boosted_135

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Nov 21, 2017
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Ignore the Bentley recommendations on glycerin. You will regret using it because it does not hold the gasket in place...it actually makes it fall out easier. Don't know what they were thinking.

However, always have glycerine when installing inlets, outlets, or radiator fan.

i used it on the gasket, and it held pretty good. Where do you use it on the radiator fan?
 

matreyia

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i used it on the gasket, and it held pretty good. Where do you use it on the radiator fan?

When re-installing radiator fan back into tight spaces, smear glycerine on surfaces in contact with any hose and smear on all hoses to make reinstallation extremely easy. Literally will fall into place with the exception of needing to clear the two metal tabs on the radiator bottom.
 
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matreyia

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i used it on the gasket, and it held pretty good. Where do you use it on the radiator fan?

I also used it initially...and it appeared to hold the gasket, until I tightened down and test ran the engine and found leaks in hidden places... so, had to take it apart and double check...lo and behold, part of it fell out of place because the glycerin did not help hold in place. So ordered a new gasket to replace the pinched one and used transmission grease... once used, that gasket wasn't going anywhere and with confidence I could take my time and place the VC.
 

Boosted_135

Specialist
Nov 21, 2017
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Canada
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When re-installing radiator fan back into tight spaces, smear glycerine on surfaces in contact with any hose and smear on all hoses to make reinstallation extremely easy. Literally will fall into place with the exception of needing to clear the two metal tabs on the radiator bottom.


Ah ok. I didnt know if it called for it on any place or not. I never thought about using it on the inlets.
 

fmorelli

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I like the transmission grease for the VC ... have to remember that. On hoses I've always used a tube of white grease with a brush. I'm less worried about radiator hoses going on as I am taking them off at a later date. I've been doing this for 20 years without issue ... but somebody is probably going to tell me its wrong! :sunglasses:

Filippo
 

dyezak

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May 4, 2017
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I like the transmission grease for the VC ... have to remember that. On hoses I've always used a tube of white grease with a brush. I'm less worried about radiator hoses going on as I am taking them off at a later date. I've been doing this for 20 years without issue ... but somebody is probably going to tell me its wrong! :sunglasses:

Filippo

OMG, you are so wrong...you're engine gonna' blow!
 
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NoQuarter

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I use the Hylomar non-hardening gasket compound. Nice and sticky when needed and lubes the gasket when placing it on.