Notices
Drivetrain Gearbox, Diffs & Driveshafts etc

Crunchy Gears and Piston Slap . . . .

Thread Tools
 
Search this Thread
 
Old Dec 17, 2001 | 04:25 PM
  #1  
DJ Dunk's Avatar
DJ Dunk
Thread Starter
Moderator
20 Year Member
iTrader: (5)
 
Joined: Nov 2001
Posts: 17,864
Likes: 0
From: Not all those who wander are lost
Question

My 98 Sport Scooby tends to be a bit 'crunchy' when engaging 1st and 2nd gears, doesn't seen to affect any other ratios. Also it sounds like a diesel when I start it, should this be happenning ?

I have Subaru warranty on my car and when I took it back to the dealer I bought it from they said the gear crunching was due to the mileage ?(70k).

The diesel noise smells a bit like piston slap, should I be afraid ?

Shall I take it to another dealer to get it fixed, or will they give me the same answer ?

Any advice would be appreciated.
Reply
Old Dec 17, 2001 | 07:53 PM
  #2  
DJ Dunk's Avatar
DJ Dunk
Thread Starter
Moderator
20 Year Member
iTrader: (5)
 
Joined: Nov 2001
Posts: 17,864
Likes: 0
From: Not all those who wander are lost
Wink

No opinions ? In the Scoobynet BBS ?! With your reputation ?
Reply
Old Dec 17, 2001 | 11:12 PM
  #3  
WREXY's Avatar
WREXY
Scooby Regular
 
Joined: Feb 2001
Posts: 2,833
Likes: 0
From: Greece, previously Syd Australia
Post

DJ,

If it sounds like this sound file of piston slap, http://homepage.ntlworld.com/alan.leslie/, you have slap, so get it fixed under warranty. You have nothing to lose.

I don't know what to say about the gearbox though. If they fix it under warranty you have no problem. Fix it. I don't know if they have a case not to fix it with your mileage. If it's 3 years or 100,000km warranty, they have to fix it, as long as they can't prove that the gearbox wrecked due to abuse IMHO.

Cheers,

Wrexy.
Reply
Old Dec 17, 2001 | 11:16 PM
  #4  
WREXY's Avatar
WREXY
Scooby Regular
 
Joined: Feb 2001
Posts: 2,833
Likes: 0
From: Greece, previously Syd Australia
Post

Also have a read of this thread currently running in the miscellaneous section, http://www.scoobynet.co.uk/bbs/thread.asp?threadid=58058

Wrexy.
Reply
Old Dec 18, 2001 | 04:54 AM
  #5  
RT's Avatar
RT
Scooby Regular
 
Joined: May 2001
Posts: 720
Likes: 0
Post

As usual, try the cheap solution first. I had crunchy 1st gear on my previous rex, put in a different tranny oil and it went away completely.

I suspect that very low viscosity oil or oils without LSD additive may not have enough "frictional enhancers" for the syncros to work properly. Since 1st and 2nd gear syncros usu see the most use and speed differences, crunching's most likely to show up here first.

Try some LSD additive, or just get the box serviced with dedicated LSD lube.
Reply
Old Dec 18, 2001 | 11:23 AM
  #6  
DJ Dunk's Avatar
DJ Dunk
Thread Starter
Moderator
20 Year Member
iTrader: (5)
 
Joined: Nov 2001
Posts: 17,864
Likes: 0
From: Not all those who wander are lost
Post

Thanks peeps
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JimBowen
ICE
5
Jul 2, 2023 01:54 PM
KAS35RSTI
Subaru
27
Nov 4, 2021 07:12 PM
Mattybr5@MB Developments
Full Cars Breaking For Spares
12
Nov 18, 2015 07:03 AM
Ganz1983
Subaru
5
Oct 2, 2015 09:22 AM
crookedvulture
ScoobyNet General
0
Sep 28, 2015 07:20 PM




All times are GMT +1. The time now is 06:41 AM.