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Author Topic: Fluid for Manual Trans  (Read 2256 times)

XR2Man

  • Newbie
  • *
  • Posts: 22
    • 1991 Mercury Capri XR2
Fluid for Manual Trans
« on: August 28, 2015, 10:51:56 AM »
   I am going to check the fluid level in the manual 5 speed in my 1991 XR2. The Capri owner's guide says to use Mercon. Went to the auto parts store and they carry Mercon 1,2,3,4 & 5. So which one should I use if I have to add to the fluid?
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WILLIE JENKINS

  • Newbie
  • *
  • Posts: 3
    • 1991 Mercury Capri
Re: Fluid for Manual Trans
« Reply #1 on: August 28, 2015, 11:40:59 AM »
according to ADVANCE COMMERCIAL:
for TURBO ONLY
6.8Pints

MERCONŽ V ATF OR EQUIVALENT, I recommend Castrol transmax mercon V
this stuff is thin, not thick

or for a NA
1.6L Eng, wo/Turbo


6.8Pints

75W-90 API SERVICE GL-5, go with Valvoline, or royal purple. this stuff should stay in there for a really long time and smells BAD and is extreme thickness. (syrupy)
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mitch1204

  • Sr. Member
  • ****
  • Posts: 401
    • 1991 Mercury Capri NA Auto/ 1994 Mercury Capri NA
Re: Fluid for Manual Trans
« Reply #2 on: August 28, 2015, 12:25:24 PM »
Originally it was Dex/Merc then Ford come out with a technical service bulletin to use Mercon V after it was developed.

Alternately people used 75W90 which works well.

Here's a thread on various thoughts.

http://teamcapri.com/forum/index.php/topic,2905.0.html

To add I wouldn't use the 75W90 in a cold weather climate as it is thicker and shifting might be noticeably stiffer until it warms up. Down south it shouldn't matter. Mercon V has a broader temperature range.
« Last Edit: August 28, 2015, 12:33:12 PM by mitch1204 »
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Joe M

  • Jr. Member
  • **
  • Posts: 52
Re: Fluid for Manual Trans
« Reply #3 on: September 02, 2015, 10:02:12 PM »
Redline makes a synthetic Mercon ATF that is also GL-5 rated - a combination that isn't all that common. I ended up going with that three years ago.  I have no complaints.  ATF is lower viscosity than heavy gear oil, so less parasitic losses, especially when cold. 
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