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I use a 3/4" square galvanized pipe plug procured at Home Depot, etc. The thread diameter is probably 1". I grab the threads with a vise grip pliers. Insert the square end into the tensioner,rotate to release tension. Use an Allen key or other small gauge rod to lock the tensioner in the released po...

What can I do to help? I wouldn't even own a Volvo (3 of them) if it wasn't for this site. Please let me know if you need tech, money, or support.
Thanks for everything it takes to run the forum!

Ok. Sorry I missed that point. Good Luck.

Does the video show the coolant level when cold or hot. It is too high if this is a cold engine. Remove fluid until the level is at the seam between the top and lower portion of the reservoir. That is the MAX fill line. If that is the action on a cold engine it looks like high pressure is entering t...

If you have a simple scan tool you should be able to see the ECT (engine coolant temperature) as reported by the coolant temperature sensor. Since you replaced it I would assume it is giving accurate information. Perhaps a cheap infrared thermometer from Harbor Freight could also be used to check th...

How is your sweet smelling white smoke issue? That could be antifreeze being burned away. On an old '70 BMW 2002 I had a burned out head. Coolant accumulated in one of the cylinders. Upon start up it burned off with same type of smoke. After engine reached operating temperature it was fine. After a ...

Any Solution? Thanks.

I have done 3 dashboard repairs on S and V 70 1998 and 1999. The last one on a 1999 I used another technique mentioned in another post. I use woven fibreglass sheet cut to an appropriate size and ABS plastic glue. I did not use PVC/ABS combination glue. Overall i liked this process the best. I clean...

If your going to bring the aforementioned supplies I would include an accessory belt (multi-V) and the homemade tool for releasing the tension. Please check out Robert DIY on Youtube for specifics on making the tool. I also would bring a full size spare tire instead of the temporary spare tire. I ra...

This looks fairly typical. I have replaced some and have considered doing more but the car is running well. "If it isn't broken, don't fix it" is sometimes a good strategy

Just catching up on this post. I lowered the air pressure on the injector cleaner tool to below 30 psi. Everything worked as it should. The engine ran at idle and the cleaner was passed into the injectors, not back to the fuel tank. Thanks everyone for your input.

Just for discussion purposes it is 746 watts per horsepower. So I am not sure how much effect the sound system would have. Cheers

Please check your ground wire connections. There are many throughout the wiring harness. Check out Youtube.com and learn about conducting voltage drop tests. Please test the voltage drops for the main battery + cable and the - cable from the battery to the chassis ground. Try to understand where VID...

I don't know how far away you are but I use LKQ up in Maryland. The closest one to you is :
LKQ Pick Your Part - Huntsville
6942 Stringfield Rd. Huntsville, Alabama 35806

There are probably other PnP yards closer to you. Good Luck.

If the S/V70 car came with a center dash pad speaker the ProLogic unit mounted behind the heater core in the console area. The amp was under the passenger seat. If you have pick and pull salvage yards look for a C70 model. The 100 wattamp is inside the trunk on the left side behind a panel. You can ...

For cleaning sunroof drain tubes I use a length of yard trimmer string. The thickest diameter is best. You can use it as a drain snake. It might help for this task as well. I also have found that reaching down and squeezing the drain tube helps break up the leaves and other stuff into smaller pieces...

Use a turkey baster. It has a squeeze bulb and a long tube that can be inserted in the reservoir. If needed use a plastic hose attached to the tip to fit into the reservoir.

Yes it is actually a one way valve. My original valve was leaking probably to do disintegrated rubber from the split hose.

I am on the east coast but your car looks great. I am interested if still available. Please PM me to discuss.

I converted my halogen bulbs to LEDs for both low and high beams using stock wiring. I happen to have found a great pair of aftermarket headlamps from the local PnP that had shiny reflectors, clear lenses and decent beam cutoff. I never have anyone flash me for blinding them when using my low beams....

Any solution to your problem? Thanks.

I just recently rebuilt my 1999 s70 front end. This time (3rd volvo) I used the XC90 heavy duty mounts. After a few months I am still happy with them.

Any resolution to your problem? Really curious. Thanks

Abscate did you really mean a bad head gasket? Don't fuel fill issues relate to the EVAP system and venting the tank when filling?

Thanks.

I found this youtube series on a complete 850 engine rebuild informative. Lots of great information and great video quality. Hope it helps you.

https://www.youtube.com/results?search_ ... ild+part+1+

Any final solution? Thanks.

Did you saturate the TB? One side has sensor rheostat wipers and the other side has the motor that actually moves the throttle plate. Perhaps letting it dry for a day will restore proper function.

Can't say I didn't tighten the clamp properly because I never serviced it BUT after I did a WOT to merge on a highway the car died. Pulled over, disconnected the MAF plug and drove back and forth 30 miles that night. Next day in the daylight I found the popped hose leading to the intercooler. 2 minu...

Any solution?

Just to chime in on the ATF vs "synthetic" issue, I found on my 99 with the fender mounted reservoir, the fluid in the PS system was the CHF-11 type. I posted an explanation of my reservoir foaming and noise issue in a separate post. After fixing the reservoir I exchanged the ATF (pink) I had added ...

Swapped out a dragging left caliper and other side as well, changed both rotors and pads all from PnP find. Changed out broken upper spring seat on right side strut with heavy duty spring seat (both sides) and both top bearing plates (FCPEuro). Reconditioned the metal plate for the bump stop with ru...

See if you can get a shop to give you an estimate to install 2 quick struts and your FCP supplied replacement strut mount hardware (on top) and new bolts at the steering knuckle. I just did a "normal" strut refresh with new mounting hardware and swapping the springs from the old struts to new ones. ...

I reread misha's post. Thanks for the information. I believe the critical information is at idle the rail pressure is only 35psi. I was setup at 40psi. So I can see that with the vacuum levels applied to the FPR it opened up and allowed all the cleaner to go back to the tank. As I posted above I wil...

Thanks for the info. I will run a test with the cleaning machine hooked up to see what it shows as the operating pressure at idle on the rail. Then I will set the air pressure supply for 5psi lower then that. I will use gasoline to test operations so as to not waste another $12 bottle of cleaner. If...

I have an external fuel injector cleaner tool. It is the one that uses air pressure to force cleaner into the injectors through the fuel rail while running the engine. You have to remove the fuel pump relay. I successfully did this on my 1999 S70-GLT non-return fuel system but the 1998 is a return s...

Some success. I have replaced all the vacuum lines for the EVAP/Purge valve system and another Purge Valve with OEM parts from a PnP. This is the line that originates at the (1999/2000 year) intake manifold's center nipple (approx: 1/4 " or 6mm diameter). I also reused the original 3-way adapter (se...

So I just drove 500 miles today. The LTFT diminished to 8.5% when driving at 2500 RPM (about 70 MPH). BTW I used a Bluetooth OBD2 dongle with an Android phone application. This let me keep the console lid in the mostly closed position without stressing the connector cable from my OBD2 reader. In sto...

Some engines actually split the 4 cylinders into two sets. I would have thought bank 1 & 2 but I guess it could be 1 & 3. I would also think that this system would have more engine control sensors to measure performance of the different "banks"

I thought I had made progress in getting the LTFT down. It was operating at 8.6%, down from 10.2% after some other vacuum line replacements but it has returned to 10% during local stop and go driving. I have tested the performance of my fuel injectors by using an injector pulse tool and fuel pressur...

Some success. I have replaced all the vacuum lines for the EVAP/Purge valve system and another Purge Valve with OEM parts from a PnP. This is the line that originates at the (1999/2000 year) intake manifold's center nipple (approx: 1/4 " or 6mm diameter). I also reused the original 3-way adapter (se...

Latest update. On the cycling of the purge valve I swapped valves with no difference. I then decided to check the previously replace 2 size vacuum line that comes from the center of the manifold to a T fitting. This contained the line that split along the length of the larger of the two lines. In th...

Since fixing a large split hose providing vacuum for the purge valve I got rid of my P0455 code. Checking the STFT and LTFT my 1999 S70-GLT is sitting at 10% LTFT. No check engine lights. I began a quest to try to get the LTFT lower. I smoke tested the engine twice and found 2 small leaks. One was o...

Here is a link to the Youtube video of my smoke test.

I just have to mention that you could have a LARGE vacuum leak on the line that connects to the intake manifold near the middle then goes to the drivers side into a T fitting. The size of the line is different at each end because there is an adapter in the middle of the line. Small line at the nippl...

......I ran additional smoke test using my home brew machine. Smoke appeared from the intake pipe down near the PTC valve just after the nipple. As it is a PITA to remove and replace. I tried the propane gas trick to see if when the engine ran it would suck in propane and change the fuel trims. Ther...

I built a home made smoke machine. It did not show any leaks when run through the center vacuum port on the intake manifold. When I introduced the smoke from the intake pipe after the MAF a small amount was visible near the turbo but I could not see the actual location. Mileage varies by driving typ...

After fixing the P0455 code due to a split vacuum line my LTFT went from +20% down to around 10%. I have done a vacuum test with a guage and the 1999 S70-GLT 2.5L turbo engine pulls 20Lbs of vacuum. I would assess that there are no major vacuum leaks. I also cleaned the MAF and also exchanged the MA...

Usually CV joint noise is a clicking sound when rounding a corner especially at low speeds. As you came to a slow rolling stop I heard the noise again. I would look at the top of the strut. The strut mount is a common point of failure but you would probably hear it going straight and over bumps. Als...

Suddenly I had p0455 "gross leak" failure on the evap system. I also thought the idle was slightly less even. Following much of this site's information on the J hose and L hose connected to the charcoal canister I found two small cracks on the L hose. I had previously solved my first P0455 code afte...

I am installing an SC-901 and external amplifier from C70 donor cars into a 1999 S70-GLT. Thanks for all the information in this thread. Though I pulled a 4 x 100 watt C70 amplifier I decided to use a smaller 4 x 75 watt amp from a S60. This is an under the passenger seat model. In the case of each ...

As you know the output of the 4 x 100w amp is wired directly in some fashion to the c70's 10 speakers . The center dash pad speaker gets plugged directly into the rear of the 901. In the S70 8 speaker system how did you distribute / connect the speakers? There are 2 LF and 2 RF. If they are 4 ohms e...

what kind of amp do you have? I am looking for the 4 x 50 watt under the seat amplifier. Thanks.

Just wondering how you mounted the 400 w amp under the seat. It seems too large to fit. Was it a manual or power adjustment type seat? What did you use for the mounting bracket? I previously installed the 50 watt amp in my v70 with a SC-900. Looking forward to installing the SC-901 and amplifier I j...

Same question. How did you mount the c70 400 watt amp under the seat. Was it an electric seat or manual adjustment seat? What did you use for a mounting bracket. It sure is a shorter run of cables to the seat than the trunk. I was thinking of mounting the amp under the rear deck shelf, upside down, ...

I would like to offer that the interface between the rotor and the hub is very important to minimize "run out". This is the condition where the rotor is actually wobbling because it does not sit flush and parallel to the hub. After doing a rear brake job on a 1999 S70 but with low mileage (65K) I fo...

Yes it will take some days to complete the job. I was able to pull a used dash from the PnP in 2.5 hours. That's the best I have ever done. When I pull my original dash I keep every screw or small assembly bagged and labeled in individual plastic bags. This makes the disassembly a little longer but ...

In a fit of frustration I just pulled harder and the dash broke free. All of the tabs to the firewall are cracked and in multiple pieces. The top trim piece near the windshield/alarm light has running cracks as well. I will try the ABS cement and put some together but am leaning towards going to the...

Hi Everyone I need some help with the dashboard removal. This is a 1999 S70-glt. I have removed EVERYTHING necessary to get the dash out of the car. Seems as if there is an additional screw or bolt over the glove box area that is holding it in place. I have the dash pad removed. I have the 4 long bo...

Thanks. Yes you are correct I did not know of the deck tweeters. After I researched the Dynaudio threads on other sites I recognized the Dynaudio system replaces the coaxial speakers with a midrange + tweeter arrangement. That's the plus 2 speakers for a total of eleven!

Thanks for the info. I have previously pulled a sc900 out of another s70 in the past. I knew about the amp and the special center channel connector for the center channel speaker. I didn't think about the Dynaudio speakers! In the standard stereo system I only count 8 speakers. With the center chann...

Has anyone taken a dash from a 2001 C70 and put it into an older S70? My 1999 GLT has the worst noisy dash of the 3 V-S 70s I own. I am not so enthused about rebuilding the original dash (done that twice) plus I would like to have the C70 upgraded center speaker and sound system if it is still in th...

I too had a PS rack leak. After reading forum info I used Lucas Stop Leak. This is a thick ATF like fluid. You just follow directions. Over time you keep adding the fluid to top off the reservoir until the leak stops. I wasn't clear if you have a pre 99 car. I used it on a 98 s70-t5. I figured I had...

OOPS! I see that they are only 30W per bulb. That is well within operational norms.

I went online and the Cougar H7 looks nice with a fairly small ballast and only the H7 bulb connector. I was surprised to see that they are 60W bulbs. This is higher wattage than the original halogen bulbs (55w). Have you had any problems with melting plastic in the housing or on the bulb? How about...

Just want to mention that another post stated that the owners manual form 1999 to 2005 WRONGLY states the PS fluid is ATF. Actual factory fluid is the Pentosin CSF-11 or CSF- 202. I can't vouch for using ATF in the more recent years. I can say that so far the PS pump is quiet, the reservoir is doesn...

For me it was definitely a lower control arm. I was able to easily move it when I separated the ball joint from the strut. I could then grab it by the ball joint and move the arm forwards and back. The bad bushing on the control arm at the sub-frame was obvious. A new control arm eliminated that noi...

Please look at a recent post titled Power Steering Foam. There is a diverter pipe connected to a brass tube that is inserted into the return hose nipple. That brass tube works its way out and then the diverter pipe fall off. That's what the FCPEuro video is referencing. This allows for agitation of ...

I honestly thought my 99 had ATF in the reservoir. The foam looked red when I opened it up. I added some ATF to the fluid and the foam looked pink before and after. My real problem was the diverter pipe falling off inside the reservoir and allowing agitation of the PS fluid. I wound up extracting al...

I have just been able to upgrade my headlights in a 1999 S70-GLT. I was at the PnP when I saw two aftermarket, almost new looking headlamp assemblies in a 1998 V70. The brightness of the chrome reflectors, visible through the lenses was jaw dropping. I grabbed them ($31.00 each) and installed them A...

Latest update. I used some coat hanger wire and fished around for the diverter inside the old PS tank. It is a tube with a right angle. There is a long side of about 3-4 inches and a short side of about 1 inch. The short end has a bevel cut into the end of the tube. This allows the tube to press alo...

Thanks for the input. Leaving the wheels on the ground while trying to purge the rack is too difficult if not prone to damaging the system. I had the wheels off the ground when I did my "daily exercise"; turn-turn-turn like the song says. The funny thing is with the diverter in place the air bubbles...

Recently on a trip up to Canada and very cold temperatures the power steering system started to make noise when turning the steering wheel. This is my first 1999 S70-GLT. I have two 1998 70-T5s. There are a number of differences between the two types of PS systems. The old system you check the fluid...

Your blower motor bushings are dirty. Removing and replacing the motor is easy. Remove the glove box and the kick panel on the passenger side. Check out other threads on this site. Working on the bearing is a PITA. Use 2 long thin screw drivers inserted between the squirrel cage fan and the motor, s...

The drive cycle for 98 X70 series cars is truly a PITA. Fortunately many states allow for 1 or 2 monitors to be in a not ready state and still pass as long as the check engine light is not illuminated. From another post about NJ inspections: "For anyone who is reading this thread here is some update...

If you are in Maryland you can have 1 or maybe even 2 monitors not ready. They will still test and you will pass. 1998 volvos are recognized as having a difficult, lengthy & tedious drive cycle to have all monitors ready. Check your motor vehicle administration web site for emissions testing excepti...

Please check the lower control arm bushings where mounted at the sub frame at the front of the car. I had a similar noise and one arm had totally shot bushings. New control arms solved the problem and of course the car handled better too!