Coolant cap

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08 Jan 2012 11:33 #7680 by BMax
Coolant cap was created by BMax
I'm new to the site; just bought my first 928 ('85 928S White/Brown leather 5spd). Thank you for having this site running...it has been quite a help thusfar.

I am trying to add coolant fluid to my tank, and I am having trouble getting the cap off. By turning counter-clockwise, I can loosen it. I just can't pop it off from that point. I didn't want to provide too much pressure in fear of breaking something.

Any advice would be appreciated. Thanks very much for your time.

Bryan

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08 Jan 2012 11:41 #7681 by srshaw3
Replied by srshaw3 on topic Coolant cap
If I recall correctly there are two tabs under the cap that must be aligned with two slots in the radiator intake (where it is mounted). You just need to align those tabs when pulling up, slight pressure upward when turning the cap should do it.

If not, then let me know and I will check one of mine :)

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08 Jan 2012 14:55 #7683 by Kiln_Red
Replied by Kiln_Red on topic Coolant cap

If I recall correctly there are two tabs under the cap that must be aligned with two slots in the radiator intake (where it is mounted). You just need to align those tabs when pulling up, slight pressure upward when turning the cap should do it.

If not, then let me know and I will check one of mine :)


Right, and an old cap can be stubborn if the PO got rough removing it from time to time because those tabs will bend to a point that it won't come off completely without wiggling it so that the alignment will be right to remove. :rolleyes:

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08 Jan 2012 19:11 #7686 by pcar928fan
Replied by pcar928fan on topic Coolant cap
Read the manual, but yea, they are not easy to get off if they have ever been manhandled!

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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08 Jan 2012 20:20 #7689 by the flying scotsman
Replied by the flying scotsman on topic Coolant cap
when the cap is completely closed it aligns with the marks. To undo press down and turn anti clockwise until the tabs line up the openings then gently pull up.

The cap does get bent and so does the tank.....be careful.

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08 Jan 2012 20:26 #7690 by BMax
Replied by BMax on topic Coolant cap
Thanks for the input. After turning the cap counter-clockwise and loosening it, gently pressing down and turning further counter-clockwise popped it off. I followed the reverse steps to get in back on. Nothing broke, so I am thankful.

Thanks again,

Bryan

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08 Jan 2012 20:33 #7691 by srshaw3
Replied by srshaw3 on topic Coolant cap
If you are chasing any kind of a cooling problem, keep in mind the radiator cap can have a sealing issue and might need replacement.

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08 Jan 2012 21:14 #7693 by the flying scotsman
Replied by the flying scotsman on topic Coolant cap
true Stan. Theres an expensive tool to test the cap and also the coolant sytem that identifies where a suspected issue may be.

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08 Jan 2012 22:34 #7701 by 928mac
Replied by 928mac on topic Coolant cap
Cooling system leak detector kit is what Malcolm is talking about.

You can get a KD one but I do not know if it has the correct adaptor

www.google.com/products/catalog?q=coolan...HsQ8wIwAQ#ps-sellers


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09 Jan 2012 20:52 #7724 by the flying scotsman
Replied by the flying scotsman on topic Coolant cap
I got my kit from NAPA and yes it fits the cap and tank on the 928 perfectly :)

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09 Jan 2012 21:28 #7725 by 928mac
Replied by 928mac on topic Coolant cap

I got my kit from NAPA and yes it fits the cap and tank on the 928 perfectly :)


Come to think of it Malcolm, I need to pick 1 up. I just had the old pump and cap in 1 piece and long wore out. Time to buy a new one.

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10 Jan 2012 21:41 #7754 by smtcapecod
Replied by smtcapecod on topic Coolant cap
Or, one can just replace the cap as a precautionary measure.

Radiator, notsomuch.

And get ready to refill your fan clutch.

:D

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13 Jan 2012 19:05 #7767 by the flying scotsman
Replied by the flying scotsman on topic Coolant cap
The tool I have tests the cap then sperately is screwed onto the coolant tank which tests the entire system; all hoses, rad, hater core etc etc.......well worth it in my opinion.

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