4/15/2020 G37 Coilover Install
The RS Series suspension kit is our most popular coilover. Featuring a 36-way damping and rebound adjustable monotube design, RS Series coilovers are perfect for the modified street car that also sees occasional track days.
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Infiniti G37 LinksSites of InterestRecent Discussions 25 Array(0 = = = = = = = = = Array(0 = = = = = = = = https://forums.nicoclub.com/viewtopic.php?t=625156). Tein H-Tech Spring InstallationThe following directions may be utilized to help install new springs in Infiniti G37 models. In this case, a 2008 G37 coupe.Installation time is approximately 2-4 hours dependant on issues. Overall drop is 2' front and 1.25' rear.Special thanks to for their help in choosing the springs, technical assistance, and quick delivery.Tools needed: Car jack, jack stands, coil spring compressors, impact gun (preferred), 12mm wrench, 14mm wrench, 17mm wrench, 19mm wrench, 12-19mm sockets, rubber mallot. The rear springs sit in a basket designed into the rear lower control arm.
The control arm is attached to the main suspensionmember by one bolt, one at the hub/axle assembly. With the vehicle on jack stands, use the jack to support the lower control arm.
Remove the bolt that attaches the control arm to theaxle/hub lower pillow mount. At this point you can lower the jack to drop the control arm. If the control arm does not lower enough or easily enough to get the spring out you can loosen the bolt where the. Once down enough you can pull the factory spring out. While removing the springs the lower rubber bushing will come off with the factory springs while the top mount should stay in place.The lower bushing is keyed to both the spring and the mounting location on the lower control arm (image to left shows rubber bushing on the new springs). To reinstall the spring, put the rubberbushing back in the crontrol arm cradle and adjust according to the 'key' stamped in the rubber and the control arm basket.
Slide the top of the spring on the top rubber mount and then turnit until it properly fits in the lower rubber mount. Once complete you can now start jacking the lower control arm back into place and compressing the spring. To get the lower control arm toproperly align with the axle/hub lower pillow mount you will need someone to twist the lower control arm from side to side until it is in place and the bolt hole lines up.
Reinstall the bolt and tightenit down. If you loosened the bolt where the control arm attaches to the main suspension member you can tighten that bolt up at this time. You have now replaced a rear spring. Start by removing the 4 bolts as shown in the picture to the left.
You will have a 19mm main nut and three14mm bolts. The back 14mm bolt can be removed with an impact wrench as can the 19mm main nut. The two inner 14mm bolts will have to be removed with a wrench.
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Start with the lowerbolt first and do the upper bolt last. The 14mm bolts have at least 1.5' of threads so it will take a while to get them out so a ratcheting wrench would be useful.It is also advised to remove the bolt to allow removal of the supportbolt that goes through the lower control arm, the lower strut mount, and ends in the. This is to allow reinstallation to be easier. Inside the engine bay there are three nuts holding the top of the strut in place. Remove these three nuts and the strutwill be ready to removal. For additional information on removing the bolts on the strut tower, view the how-to.It should be noted that the blue bracket in the left image is not on a G37 but is the mounting bracket from a GTspec FSTB.To remove the strut you will have to be careful since the brake line actually goes around it. Angle the bottom out and start twisting while sliding it out.
Use spring compressors to take the load off the top pearch to allow removal of the shock absorber mounting bracket.Only tighten each side a bit at a time in order to keep the other side from angling in which will not allow a socket to be installed. Once compressed, use a 17mm socket to remove the top centernut. At this point you will be able to remove the top mount, bound bumper and rubber seat.
The coil can now be removed. Pay close attention to the alignment of the bolts on the top perch asthey are positioned on the strut.
CRITICAL: Prior to installing the top nut you must make sure the top mount is properly aligned. Unlike coiloverinstallations you cannot swivel the top mount so it must be installed properly. The top mount has bolts in a triangle pattern and if it is offset improperly there is no way to readjust once the topbolt has been added. The image to the left depicts the center line of the strut which should line up with one of the top mount bolts, yes, in the picture the top mount is positioned incorrectly asthe bolt is about 30 degrees or so off. Properly align the bolt and install the top nut to complete the spring installation. Reinstall the strut starting with the strut tower mounting bolts.
Don't forget to thread the strut through the brake lines.Hold the strut in place while someone installs the strut tower mounting bolts. To mount the strut to the lower control arm you may need to use the floor jack to adjust the lower control arm. Oncealigned, slide the mounting bolt in place. If you removed the connecting rod bolt, reattach at this time.Put the plate back in place on the lower control arm, reinstall the 19mm nut and the three 14mm bolts. Reattach the brake line with the 12mm nut. Reattach the ABS lines to their strut mountinglocations.You have now completed replacing a front spring. Before putting wheels back on it is suggested to retighten all bolts to ensure they are properly tight.
Infiniti G37 LinksSites of InterestRecent Discussions 25 Array(0 = = = = = = = = = Array(0 = = = = = = = = https://forums.nicoclub.com/viewtopic.php?t=625156). Tein H-Tech Spring InstallationThe following directions may be utilized to help install new springs in Infiniti G37 models. In this case, a 2008 G37 coupe.Installation time is approximately 2-4 hours dependant on issues. Overall drop is 2' front and 1.25' rear.Special thanks to for their help in choosing the springs, technical assistance, and quick delivery.Tools needed: Car jack, jack stands, coil spring compressors, impact gun (preferred), 12mm wrench, 14mm wrench, 17mm wrench, 19mm wrench, 12-19mm sockets, rubber mallot. The rear springs sit in a basket designed into the rear lower control arm. The control arm is attached to the main suspensionmember by one bolt, one at the hub/axle assembly. With the vehicle on jack stands, use the jack to support the lower control arm.
Remove the bolt that attaches the control arm to theaxle/hub lower pillow mount. At this point you can lower the jack to drop the control arm. If the control arm does not lower enough or easily enough to get the spring out you can loosen the bolt where the. Once down enough you can pull the factory spring out. While removing the springs the lower rubber bushing will come off with the factory springs while the top mount should stay in place.The lower bushing is keyed to both the spring and the mounting location on the lower control arm (image to left shows rubber bushing on the new springs). To reinstall the spring, put the rubberbushing back in the crontrol arm cradle and adjust according to the 'key' stamped in the rubber and the control arm basket. Slide the top of the spring on the top rubber mount and then turnit until it properly fits in the lower rubber mount.
Once complete you can now start jacking the lower control arm back into place and compressing the spring. To get the lower control arm toproperly align with the axle/hub lower pillow mount you will need someone to twist the lower control arm from side to side until it is in place and the bolt hole lines up. Reinstall the bolt and tightenit down. If you loosened the bolt where the control arm attaches to the main suspension member you can tighten that bolt up at this time. You have now replaced a rear spring. Start by removing the 4 bolts as shown in the picture to the left.
You will have a 19mm main nut and three14mm bolts. The back 14mm bolt can be removed with an impact wrench as can the 19mm main nut. The two inner 14mm bolts will have to be removed with a wrench. Start with the lowerbolt first and do the upper bolt last. The 14mm bolts have at least 1.5' of threads so it will take a while to get them out so a ratcheting wrench would be useful.It is also advised to remove the bolt to allow removal of the supportbolt that goes through the lower control arm, the lower strut mount, and ends in the. This is to allow reinstallation to be easier.
Inside the engine bay there are three nuts holding the top of the strut in place. Remove these three nuts and the strutwill be ready to removal. For additional information on removing the bolts on the strut tower, view the how-to.It should be noted that the blue bracket in the left image is not on a G37 but is the mounting bracket from a GTspec FSTB.To remove the strut you will have to be careful since the brake line actually goes around it.
Angle the bottom out and start twisting while sliding it out. Use spring compressors to take the load off the top pearch to allow removal of the shock absorber mounting bracket.Only tighten each side a bit at a time in order to keep the other side from angling in which will not allow a socket to be installed. Once compressed, use a 17mm socket to remove the top centernut.
At this point you will be able to remove the top mount, bound bumper and rubber seat. The coil can now be removed. Pay close attention to the alignment of the bolts on the top perch asthey are positioned on the strut. CRITICAL: Prior to installing the top nut you must make sure the top mount is properly aligned. Unlike coiloverinstallations you cannot swivel the top mount so it must be installed properly. The top mount has bolts in a triangle pattern and if it is offset improperly there is no way to readjust once the topbolt has been added. The image to the left depicts the center line of the strut which should line up with one of the top mount bolts, yes, in the picture the top mount is positioned incorrectly asthe bolt is about 30 degrees or so off.
Properly align the bolt and install the top nut to complete the spring installation. Reinstall the strut starting with the strut tower mounting bolts. Don't forget to thread the strut through the brake lines.Hold the strut in place while someone installs the strut tower mounting bolts. To mount the strut to the lower control arm you may need to use the floor jack to adjust the lower control arm. Oncealigned, slide the mounting bolt in place.
If you removed the connecting rod bolt, reattach at this time.Put the plate back in place on the lower control arm, reinstall the 19mm nut and the three 14mm bolts. Reattach the brake line with the 12mm nut. Reattach the ABS lines to their strut mountinglocations.You have now completed replacing a front spring. Before putting wheels back on it is suggested to retighten all bolts to ensure they are properly tight.
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