Cambox Gasket replace, what else???

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srwilson
Posts: 267
Joined: Mon Nov 19, 2012 6:21 pm
Your car is a: 1979 124 Fiat Spider 2000
Location: Lexington, KY

Cambox Gasket replace, what else???

Post by srwilson »

Hey Guys,

I'm going to have to change out my leaky Cambox Gasket on the exhaust side. Are there other gaskets I should get or going to need to replace in the process of doing this?

Any pointers or tips for the process will be greatly appreciated too.
-Steve
1979 Black Fiat Spider
2006 Black Chevy Silverado Crew Cab
So Cal Mark

Re: Cambox Gasket replace, what else???

Post by So Cal Mark »

if the cam seal is leaking, that would be a good time to replace it.
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Cambox Gasket replace, what else???

Post by BEEK »

if you are going thru all that trouble, might as well replace both cam box gaskets, replace both cam seals, the aux seal and the front crank seal. the timing belt will have to be changed, so check the tensioner and i would replace the water pump while i was there. you do realize that you will have to adjust the valves? this may seem like alot of work, but it is really not that bad. your car will appreciate it too.
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
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srwilson
Posts: 267
Joined: Mon Nov 19, 2012 6:21 pm
Your car is a: 1979 124 Fiat Spider 2000
Location: Lexington, KY

Re: Cambox Gasket replace, what else???

Post by srwilson »

Yeah I wished I had noticed this leak earlier. I just finished changing the water pump, timing belt, tensioner, aux belt, radiator, hoses, & fan switch.

Surely I don't need to change the timing belt again, do I? It has all of 20 miles on it.

I just cleaned the engine and I don't see any other leaks at the moment.
-Steve
1979 Black Fiat Spider
2006 Black Chevy Silverado Crew Cab
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Cambox Gasket replace, what else???

Post by BEEK »

no, just make sure the timing belt is put back on in the same direction of rotation
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
User avatar
srwilson
Posts: 267
Joined: Mon Nov 19, 2012 6:21 pm
Your car is a: 1979 124 Fiat Spider 2000
Location: Lexington, KY

Re: Cambox Gasket replace, what else???

Post by srwilson »

For valve adjustments: can it be done without the special tool? What is your recommendation for the shims? Buy a set or order the ones you need as you need them? This is getting expensive... :)
-Steve
1979 Black Fiat Spider
2006 Black Chevy Silverado Crew Cab
So Cal Mark

Re: Cambox Gasket replace, what else???

Post by So Cal Mark »

measure the clearances before disassembly, keep everything in the same position it came from and your clearances shouldn't change much
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fiatmike124
Posts: 56
Joined: Sun Aug 26, 2012 7:07 pm
Your car is a: 1981 Spider 2000
Location: Thousand Oaks, CA

Re: Cambox Gasket replace, what else???

Post by fiatmike124 »

Since you are planning to remove the camboxes to change the gaskets, I would recommend also changing or at least checking/sealing the endplate gaskets in the rear of cam housings that secure the cams to the camboxes. I found at least one loose nut on mine.
Mike
1981 Fiat Spider 2000
2011 BMW 328i Coupe
2001 Mitsubishi Eclipse GT
2003 Yamaha V-Star 650
User avatar
srwilson
Posts: 267
Joined: Mon Nov 19, 2012 6:21 pm
Your car is a: 1979 124 Fiat Spider 2000
Location: Lexington, KY

Re: Cambox Gasket replace, what else???

Post by srwilson »

Thanks for all the tips! Parts should be in soon.
-Steve
1979 Black Fiat Spider
2006 Black Chevy Silverado Crew Cab
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