fith gear backlash
09-12-2008, 04:57 AM
#2
4th Gear Member
Join Date: May 2008
Location: Santa Monica, CA
Posts: 1,842
What do you mean backlash? you mean like in first gear when you punch it and then suddenly let go you feel like your head is about to go through the windshield kinda feeling?
At what speed/RPM's is it occuring at?
At what speed/RPM's is it occuring at?
09-12-2008, 10:52 AM
#5
2nd Gear Member
Thread Starter
Join Date: Dec 2007
Location: CA
Posts: 345
Well I have checked the drive line and u-joints and they are fine. It's definitely a drive train issue. I was driving to work last night an was excelerating in fifth and backed off the gas and got right back on it and it just feels like something loose in the drive train.
09-12-2008, 10:55 AM
#6
5th Gear Member
Join Date: Mar 2007
Location: Cary/Charlotte, NC
Posts: 3,791
17510 1999-2004 MUSTANG 4.6L - DRIVELINE CLUNK DURING GEAR CHANGES AND/OR QUICK ACCELERATION AFTER COAST (TIP-IN CLUNK)
SOME 1999-2004 MUSTANGS EQUIPPED WITH A 4.6L ENGINE MAY EXHIBIT A 'CLUNK' NOISE FROM THE DRIVELINE DURING GEAR CHANGES AND/OR A QUICK ACCELERATION JUST AFTER A COAST (TIP-IN CLUNK). THE CLUNK MAY BE PRESENT IN MULTIPLE GEARS AND IS CONSIDERED NORMAL. THIS IS CAUSED BY DRIVELINE LASH REACTING TO THE RAPID RESPONSE OF THE ENGINE WHEN THE THROTTLE IS SUDDENLY OPENED. THE CLUNK NOISE HAS NO EFFECT ON THE PERFORMANCE OR DURABILITY OF THE VEHICLE. INSPECT AND CHECK THE DRIVESHAFT ATTACHING BOLTS, AXLE MOUNTS, TRANSMISSION MOUNTS AND SUB-FRAME MOUNTING BOLTS FOR PROPER TORQUE. NO OTHER SERVICE SHOULD BE PERFORMED.
EFFECTIVE DATE: 01/26/2004
SOME 1999-2004 MUSTANGS EQUIPPED WITH A 4.6L ENGINE MAY EXHIBIT A 'CLUNK' NOISE FROM THE DRIVELINE DURING GEAR CHANGES AND/OR A QUICK ACCELERATION JUST AFTER A COAST (TIP-IN CLUNK). THE CLUNK MAY BE PRESENT IN MULTIPLE GEARS AND IS CONSIDERED NORMAL. THIS IS CAUSED BY DRIVELINE LASH REACTING TO THE RAPID RESPONSE OF THE ENGINE WHEN THE THROTTLE IS SUDDENLY OPENED. THE CLUNK NOISE HAS NO EFFECT ON THE PERFORMANCE OR DURABILITY OF THE VEHICLE. INSPECT AND CHECK THE DRIVESHAFT ATTACHING BOLTS, AXLE MOUNTS, TRANSMISSION MOUNTS AND SUB-FRAME MOUNTING BOLTS FOR PROPER TORQUE. NO OTHER SERVICE SHOULD BE PERFORMED.
EFFECTIVE DATE: 01/26/2004
09-12-2008, 11:00 AM
#7
2nd Gear Member
Thread Starter
Join Date: Dec 2007
Location: CA
Posts: 345
17510 1999-2004 MUSTANG 4.6L - DRIVELINE CLUNK DURING GEAR CHANGES AND/OR QUICK ACCELERATION AFTER COAST (TIP-IN CLUNK)
SOME 1999-2004 MUSTANGS EQUIPPED WITH A 4.6L ENGINE MAY EXHIBIT A 'CLUNK' NOISE FROM THE DRIVELINE DURING GEAR CHANGES AND/OR A QUICK ACCELERATION JUST AFTER A COAST (TIP-IN CLUNK). THE CLUNK MAY BE PRESENT IN MULTIPLE GEARS AND IS CONSIDERED NORMAL. THIS IS CAUSED BY DRIVELINE LASH REACTING TO THE RAPID RESPONSE OF THE ENGINE WHEN THE THROTTLE IS SUDDENLY OPENED. THE CLUNK NOISE HAS NO EFFECT ON THE PERFORMANCE OR DURABILITY OF THE VEHICLE. INSPECT AND CHECK THE DRIVESHAFT ATTACHING BOLTS, AXLE MOUNTS, TRANSMISSION MOUNTS AND SUB-FRAME MOUNTING BOLTS FOR PROPER TORQUE. NO OTHER SERVICE SHOULD BE PERFORMED.
EFFECTIVE DATE: 01/26/2004
SOME 1999-2004 MUSTANGS EQUIPPED WITH A 4.6L ENGINE MAY EXHIBIT A 'CLUNK' NOISE FROM THE DRIVELINE DURING GEAR CHANGES AND/OR A QUICK ACCELERATION JUST AFTER A COAST (TIP-IN CLUNK). THE CLUNK MAY BE PRESENT IN MULTIPLE GEARS AND IS CONSIDERED NORMAL. THIS IS CAUSED BY DRIVELINE LASH REACTING TO THE RAPID RESPONSE OF THE ENGINE WHEN THE THROTTLE IS SUDDENLY OPENED. THE CLUNK NOISE HAS NO EFFECT ON THE PERFORMANCE OR DURABILITY OF THE VEHICLE. INSPECT AND CHECK THE DRIVESHAFT ATTACHING BOLTS, AXLE MOUNTS, TRANSMISSION MOUNTS AND SUB-FRAME MOUNTING BOLTS FOR PROPER TORQUE. NO OTHER SERVICE SHOULD BE PERFORMED.
EFFECTIVE DATE: 01/26/2004
