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964 C4 light refurb

 
Old 05-07-2017, 06:12 AM
  #601  
John McM
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Some parts prices are just plain ridiculous. The Euro fog light insert is one at GBP 19 (USD 25). Luckily I picked up a box of parts gratis from an ex C2 owner and found one in the box.
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Old 05-07-2017, 03:38 PM
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I am just replacing o-ring on IMS cover no sealant as was not leaking. Is that shining foil piece on your pw seal package from something else?
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Old 05-07-2017, 03:45 PM
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Originally Posted by C4inLA View Post
I am just replacing o-ring on IMS cover no sealant as was not leaking. Is that shining foil piece on your pw seal package from something else?
That's just a plastic reflection from overhead halogen lights. No foil in there.
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Old 05-07-2017, 04:16 PM
  #604  
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I replaced the fogs and fittings either side with one section CUP clear plastic lenses. more rhobust as I had 2 fogs cracked with stones. never used the fogs anyway and I think it cleans up the front of the car. fairly cheap as well. can PPF them as well to make them last.
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Old 05-08-2017, 03:39 AM
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Every day is your birthday with a 964. New ignition wires (nice surprise to see that they come with the alternator surround), new rear fan motor and some over mats (average quality but properly priced).
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Old 05-09-2017, 12:08 AM
  #606  
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Originally Posted by tdiquattro View Post
The normal one with the spring, I know they changed them in later cars, but I have read that they tend to leak so folks have been installing the old type. Just that the old type are different quality depending on manufacturer and the Elring ones looked much better. 250 miles so far no leaks.


Are they light years ahead of the other versions? PP just advised me of a longer lead time to obtain the Elring versions. I can't close my case until I have them.
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Old 05-09-2017, 07:44 AM
  #607  
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Cleaning pistons, cylinders and heads. While the temptation is to shine the pistons to a high polish finish, the guide I read said removing all carbon is unnecessary. Not sure I can cope with that so tomorrow I have no doubt I'll revisit the non shiny ones.
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Old 05-09-2017, 01:07 PM
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Originally Posted by John McM View Post
Are they light years ahead of the other versions? PP just advised me of a longer lead time to obtain the Elring versions. I can't close my case until I have them.
I am sure the other makes will be fine, these just look to be better wider inner surface area, double lip, complex make up with the different rubbers.
OPC genuine ones are Kaco anyway so they can't be bad!


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Old 05-09-2017, 05:47 PM
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Originally Posted by tdiquattro View Post
I am sure the other makes will be fine, these just look to be better wider inner surface area, double lip, complex make up with the different rubbers.
OPC genuine ones are Kaco anyway so they can't be bad!


You would think I'm building mission critical space equipment rather than sealing an old car motor, but it's important to me to do the best job I can. As it turns out PP replied that the seals have been sourced. I'm not sure why it was worth sending me an email for a one day delay.
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Old 05-09-2017, 06:20 PM
  #610  
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Four tappets/followers off to be refaced. I'm not sure if all of them can be refaced as at least one (on left) is quite pitted, but it's worth a try.
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Old 05-10-2017, 05:09 PM
  #611  
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I've started replacing the ignition wires. While one connector had a minor split in the boot I came away wondering whether these were the originals or if I had spent good money replacing something that wasn't broken. Too late now
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Old 05-11-2017, 07:27 AM
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Coils replaced. I had one go bad and it was replaced by a used one. The mechanic suggested I change both of them when I had the chance. The new ones are the Brazilian Silver ones. Let's hope these don't live up to their reputation.
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Old 05-12-2017, 03:00 AM
  #613  
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The cylinder head temp sensor is a bear to replace in situ and I've seen cars where they cause problems so I decided to replace mine.

The sensor is a simple thermistor i.e. It changes resistance depending on the temperature. The DME uses the value to adjust the mixture. This page from the manual spells it out.
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Old 05-12-2017, 03:04 AM
  #614  
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Before I put the sensor in my bulging used spares box I decided to test it. I connected it to a multimeter and tested it room temp (1,815 ohms), in ice water (4,220 ohms) and in hot water (424 ohms). It clearly works.
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Old 05-12-2017, 07:28 PM
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I did my CHT sensor in the car. It wasn't that bad, just jack the car, pull the PS rear wheel, pull the sensor with a modified socket, unplug from the connector behind the blower, Bob's your uncle.
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