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#1
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Intake sub gear
Has anyone had to reset the load on the intake sub gear to correct a tapping sound?
Help Steve
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92 SVX AWD 130,000 w/ rebuilt SVX 4.11 97 Audi A4 1.8T (Daily Driver) 03 Ford Expedition(hers) SVXepidia SVX information warehouse Are you in? My Old Locker A 4.11 Founding Father "Tranny #6" I really need a manual Reading IX [SIGPIC][/SIGPIC] Ya I was there
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#2
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More detail?
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
#3
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Ok I will try.
I replaced mt exhaust cam about two months ago. when I removed the intake cam I did not install the service bolt per directions, I read the direction after the fact The car runs fine and the subie dealer said that the intake cam sub gear need to have the backlash set to get rid of the tapping sound. The sub gear sit in front of the main gear on the intake shaft. I will find pictures when I get home tonight. Steve
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92 SVX AWD 130,000 w/ rebuilt SVX 4.11 97 Audi A4 1.8T (Daily Driver) 03 Ford Expedition(hers) SVXepidia SVX information warehouse Are you in? My Old Locker A 4.11 Founding Father "Tranny #6" I really need a manual Reading IX [SIGPIC][/SIGPIC] Ya I was there
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#4
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Ah, I didn't realise you were talking about the cams.
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
#5
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I have attached a pic of the cams so you all can see where and what the sub gear is.
Steve
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92 SVX AWD 130,000 w/ rebuilt SVX 4.11 97 Audi A4 1.8T (Daily Driver) 03 Ford Expedition(hers) SVXepidia SVX information warehouse Are you in? My Old Locker A 4.11 Founding Father "Tranny #6" I really need a manual Reading IX [SIGPIC][/SIGPIC] Ya I was there
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#6
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Re: Intake sub gear
Ok realize this is a 9+ year old thread but no answer seems to have been provided and all the searching I have done I have not come across anything else.
Icingdeath88 has tried to give me an explaination, Thanks svxfiles I hope that is good I will be linking the mechanic to your post. Last edited by 92 SVX; 09-05-2014 at 04:02 PM. |
#7
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Re: Intake sub gear
It is not an adjustment but having the split part of the cam gear be spring loaded to keep the cam lash to a minimum.
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#8
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Re: Intake sub gear
Quote:
Right now the car is put back together and drivable, other then valve cover leaking like crazy. Driving this is annoying because it sounds (to me) like the clatter of a diesel, Now I like diesels and if this was a diesel I would be happy with it clattering but its not and im not. lol |
#9
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Re: Intake sub gear
Like Steve, I worked faster than I read and took them out before using the bolt to tension the spring.
It was a few years back, so I don't recall exactly, but I think I used a step wrench to turn the "sprung" gear while using the wrench flats on the cam to hold it in place. Turned until the bolt hole lined up and then put the bolt in. You'll need to take the cam out of the head to do it.
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Dave - 03 Baja - 92 SVX - 86 Brat - 08 OB 3.0 |
#10
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Re: Intake sub gear
The intake cam has to come out of the engine,
put in a vice as shown in the SSM, the thinner gear turned against the spring, a small 6mm bolt installed to hold the spring loaded gear, and then installed back into the engine. After the cam is properly installed you remove the bolt and the clatter will go away.
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#11
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Re: Intake sub gear
Quote:
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
#12
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Re: Intake sub gear
Ok That helps, Thank you very much both of you
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#13
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Re: Intake sub gear
If this is not done, what is the risk to the engine other than sounding like a diesel?
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Tony 1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads 2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil 2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil 1992 Red Ferrari 348 ts, 82,XXX, Redline everything |
#14
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Re: Intake sub gear
In the long run I could picture possible camshaft gear damage. I could also picture damage and accelerated wear to the camshaft "bearing" journal surfaces.
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#15
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Re: Intake sub gear
I don't plan on keeping this car for any more than 100k more miles. Assuming low wear to date, is this really an issue worth pushing?
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Tony 1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads 2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil 2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil 1992 Red Ferrari 348 ts, 82,XXX, Redline everything |
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