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Broken timing belt

 
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ZacharyM  



Joined: 17 Feb 2017
Posts: 4
Location: Colorado, USA

PostPosted: Fri Feb 17, 2017 6:18 pm    Post subject: Broken timing belt Reply with quote

Hello guys, I have a 88 924s that had a snapped timing belt while driving. As an interference engine, I worry of bent valves And a ton of money going to be spent (BTW my dad did it not my fault). Since I have not yet looked under the valve cover to actually inspect the damage, I'm looking for advice and help.
What could be broken and needs replacing without looking first?
What would you do.
And to inspect, can I leave the engine in or do I have to take it out.
Tia any constructive help appreciated.
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Paul  



Joined: 02 Nov 2002
Posts: 9285
Location: Southeast Wisconsin

PostPosted: Sat Feb 18, 2017 12:50 am    Post subject: Reply with quote

Sorry for your loss.

Bent valves, possibly damaged pistons and rod bearings.

No need to remove the motor, used heads are cheap and are usually all that needs to be replaced.

In regards to blaming your dad, which one of you is responsible for properly maintaining the car? When was a front of engine service done last?
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
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ZacharyM  



Joined: 17 Feb 2017
Posts: 4
Location: Colorado, USA

PostPosted: Sat Feb 18, 2017 1:02 am    Post subject: Broken timing belt Reply with quote

Thank you for the response! It's his car that we barely used because 80% of it being in our position has not run. I just got into cars so I know understand the importance of car maintenance. The belt broke around December of 2014 and I plan on trying to fix her up.
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Paul  



Joined: 02 Nov 2002
Posts: 9285
Location: Southeast Wisconsin

PostPosted: Sat Feb 18, 2017 1:53 am    Post subject: Reply with quote

Some examples:

http://www.ebay.com/itm/Porsche-924S-944-Complete-Cylinder-Head-1985-5-1988/222390063757?_trksid=p2047675.c100623.m-1&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D41404%26meid%3D4f94cb46c1b449458ad072d8affa4720%26pid%3D100623%26rk%3D4%26rkt%3D6%26sd%3D322395374080
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
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ZacharyM  



Joined: 17 Feb 2017
Posts: 4
Location: Colorado, USA

PostPosted: Sat Feb 18, 2017 3:37 am    Post subject: Broken timing belt Reply with quote

Oh wow! That'd be great if that's all it'd need. Thank you
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Paul  



Joined: 02 Nov 2002
Posts: 9285
Location: Southeast Wisconsin

PostPosted: Sat Feb 18, 2017 4:18 am    Post subject: Reply with quote

You will also need at least:

All belts (4)
All tensioners and pulleys
Camshaft and balance shaft seals
water pump?
head gasket set
Antifreeze
Machine work?
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
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ZacharyM  



Joined: 17 Feb 2017
Posts: 4
Location: Colorado, USA

PostPosted: Sat Feb 18, 2017 4:20 am    Post subject: Reply with quote

Naturally! I have a timing belt kit that comes with a tension, pump etc. But I'll look into the others also, I'll probably inspect the engine within the couple days to see the real deal
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Paul  



Joined: 02 Nov 2002
Posts: 9285
Location: Southeast Wisconsin

PostPosted: Sat Feb 18, 2017 5:24 am    Post subject: Reply with quote

Excellent shop manual here:

http://www.clarks-garage.com/
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
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hdrider19  



Joined: 03 May 2016
Posts: 193
Location: Catawissa Missouri(40 mi sw of St Louis)

PostPosted: Wed Apr 05, 2017 9:42 am    Post subject: Reply with quote

Lots of great videos on YouTube. Being new to these cars you might not know but the 944s also had the 2.5 engine. Most 944 videos also cover the 924S.
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