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Message started by KCSavage on 10/24/07 at 06:29:13

Title: Missed A Step
Post by KCSavage on 10/24/07 at 06:29:13

I am working on replacing the head pleg/cap. I have the head cover off and realized I forgot to turn the engine to TDC. Oops! :-[ Can I still turn it to TDC with the head cover off? Some simple instruction on how to would be appreciated too.

Title: Re: Missed A Step
Post by youzguyz on 10/24/07 at 06:36:04

As far as I know. You don't need to be at TDC to replace the head plug/cap.
The only time that is important is if you are adjusting valves, decomp cable, or doing things that could effect timing (cam chain).
As for how to do it (setting to TDC).. read here:
Adjusting your valves (http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1151938664)

Title: Re: Missed A Step
Post by Reelthing on 10/24/07 at 06:57:26

certainly better if it's at tdcc - some of the head cover bolts seem to have had an early demise when it's not because of the valve spring pressure - but it sure makes the head cover pop right off - yes you should set it to tdcc before you reinstall it so the little bolts do not need to compress the springs - just go slow as you do it as nothing much is hold the cam in place - you can likely just put it in gear and gently roll it foward until the bottom side of the cam lobes are up.

Title: Re: Missed A Step
Post by youzguyz on 10/24/07 at 07:06:29

Good point. I stand (sit) corrected.

Title: Re: Missed A Step
Post by Reelthing on 10/24/07 at 07:22:56

first time I pulled the head cover I did the exact same thing - our instructions were not quite as refined - what may have saved my bolts was the order removed - seems the last I took out were the ones under the valve adjust caps and as I did the head cover just raised up - if you had just a corner left to take out I can see where some damage could happen if the springs were fully compressed

Title: Re: Missed A Step
Post by KCSavage on 10/24/07 at 07:36:40

Reelthing wrote:

seems the last I took out were the ones under the valve adjust caps and as I did the head cover just raised up

I did the same. That's when the light went off that I missed something. Seems to me that the bolts would be easier to reinstall and torqe down if there is no pressure on the head cap. I just got in a hurry. Mostly I just wanted to know if it is safe to turn it to TDC with the cap off. I think I will slow down a bit and make sure I do the rest correctly.

Thank you to youzguyz and Reelthing for the advice.

Title: Re: Missed A Step
Post by Reelthing on 10/24/07 at 07:46:38

if there's any last bit of hard knock advice it would be to get the q-tips and dryout the bolt holes - and use the smallest wrenches you have to tighten these cover bolts - they need so very little torque 5ft/lbs is good enough much over 10ft/lb and they'll likely snap - very light on the sealant around the surface.

Title: Re: Missed A Step
Post by SteveRocket on 10/24/07 at 09:15:47

I did the same. So far no problems but I think I was a bit heavy with the sealant
Steve

Title: Re: Missed A Step
Post by KCSavage on 10/24/07 at 10:17:47

Thanks for all of the advice!

Next Question:
I have access to some RTV Silocone for free here at my job. It is Loctite Superflex Blue RTV Silicone. The back of the package says it's high temperature, 500 degree F (400-450 degree F continuous use). Is that good or should I look for something else rated higher?

Title: Re: Missed A Step
Post by youzguyz on 10/24/07 at 11:50:44

From what I have seen, most people use the Red.
From what I am reading, Loctite Red is 600 degree. Permatex Red is 650 degree.

Title: Re: Missed A Step
Post by Savage_Rob on 10/24/07 at 12:11:20

I used the Permatex Ultra Grey (http://www.permatex.com/products/automotive/automotive_gasketing/gasket_makers/auto_Permatex_Ultra_Grey_Rigid_High-Torque_RTV_Silicone_Gasket_Maker.htm).

Quote:

OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers' performance requirements. Noncorrosive and low-odor. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Guaranteed not to leak. Temperature range -65ºF to 500ºF (-54°C to 260°C) intermittent.

When I was doing the head seal/plug on mine, I read up on the OEM recommendations in the listings at the Autozone and found the ultra grey listed by Suzuki and used it.