Catching Up on Cars

It has been a busy Summer of car stuff. Some wrenching, some otherwise. In today's post, I will not try to cover everything, but there has been a lot. 

 

Oliver freshly cleaned

Before I begin, you may have noticed a new sticker on the right-hand side called "Electoral-Vote". If you aren't familiar, that is a site run by 2 history professors who started a site initially, I think, to analyze polls. I have been reading their page for well over a decade; maybe 2 decades at this point. From humble beginnings that aimed to provide insights into political polls, they are a daily site that examines the (mostly) US political theater. As the national political disposition has shifted right-ward, their political position has remained around or just left of where the political middle was during the Bush years. Now, that position is left-of-center (because, again, of the national shift) in the continuum of US national politics. As the primary season has ended, they are returning to their roots, looking at polls and providing the kinds of insights only 2 life-time history and statistic's nerds could provide. If you find that stuff interesting, check them out. Neither they nor I get anything money-wise out of my putting that sticker on my blog. They get clicks, I literally get nothing. Back to cars.

 

K'Lack

P0726 re-appearing

We will start with my nemesis car: K'Lack, the 2004 Jetta TDI Wagon that previously belonged to our son K. After driving it for years and logging thousands of miles, he needed to sell it off and get something that was newer? broke down less often? I'm not really sure, but at the end he was having transmission issues. Regardless, the trade-in amount he was offered was pennies-to-dollar value. So, we bought it for Kelley Blue Book value at the time (around $4500US) and took it directly to a transmission shop who was qualified to do transmission work on these 2000's-era automatic transmissions appearing in VW's and Audi's. Through the benefits of successful aging and poor record-keeping, I don't remember how much we paid them to rebuild the transmission, but it took literally months. If I remember correctly, it went into the shop in December and we got it back in March. It was around this time that our niece (another K, so I think maybe since all these "kids" are adults now, maybe I'll just start using their names), Krista needed a car. Her former car failed in some way I don't remember. We intended to sell her Flash. Remember Flash? He was a great 2001 VW Jetta TDI sedan, but he had a manual transmission. Loved that car, but a different niece needed a car, so when Krista was unable to drive a stick, Flash went to the other niece and K'Lack went to Krista.

 

replacing K'Lack rear caliper

Now, years later, and many repairs ranging from replacing the oil pan to a timing belt and camshaft replacement, K'Lack is currently having issues I cannot track down. It is throwing a P0726 code and after tracing wires and replacing the crankshaft position sensor, the issue persists. The code means a check-engine-light is lit which means the car will not pass emissions. It is also virtually un-driveable. It barely starts and at any point during a drive the car may suddenly shift into a too-low gear, causing it to buck. It is quite alarming and dangerous. I have date with a mobile mechanic, Ian, who has helped on some of Cedar's (that's "C" in all prior posts) cars. I hope very much that we can resolve this and get Krista back on the road with K'Lack. In the meantime, it is parked under a plum tree in the back near the shop and Krista is driving Boo's (okay, her name is Angela and I'll refer to her as Ang from now on) Ang's Astra.

 

Oliver

In the interest of getting Oliver, the 1978 MGB, out of the shop so I could move things onto shelves, I got Oliver running well enough to back out and idle-drive under a tree. I say idle-drive because the throttle cable had seized. Fortunately, parts for an old MG are not nearly as expensive as parts for new cars, so a after few bucks and about 15 minutes, the throttle cable was replaced, and Oliver could start and move around. Thrilled, I drove him out to the front and gave him a long overdue bath. His brakes were still a little squishy, so I moved him to the other side of that plum tree in the back and put his cover back on. I have to do a system-wide look at the brakes. They have been acting like they needed a bleed for a long time, no matter how much I bleed them. I think I must have a loose fitting somewhere that lets air in. I still intend to get him out and around, even with squishy brakes, before the Summer is over.

  

Hapy

cursed outlet flange

Earlier this year, I got Hapy put back together. I drove him out to Sheridan where Justin could do the injection pump re-seal. On the drive home, I popped the boosted air pipe and sorta limped home. But, after that, I took him on around-town outings and he ran great. He would start right up, have lots of pep, moved through the gears well. For almost all of the month of July, he was set up festival-style in the back, providing music, a hang-out spot and a groovy vibe. This past weekend, Ang and I had 2 different events. First, we had tickets to Joe Russo's Almost Dead (JRAD) in Eugene. JRAD brings the energy of the early 1970's versions of the Grateful Dead while performing everything and anything across their song catalog. I highly recommend to my DeadHead friends. The next day, I had an early-afternoon show in Rockway Beach, playing the NCAM benefit festival. I'll post on the festival later, but our adventure started and ended Thursday night, heading south to Eugene.

 

As I've mentioned before, Ang and I like to leave for events the night before, getting as far as we can in the cool dark and then vagabonding (boon-docking to some) in a random parking lot or on the side of the road to catch a sleep before completing the journey in the morning. Hapy likes the cool air and we really like awakening that morning most, or all, of the way there. The drive was relatively uneventful until after we got south of Wilsonville. I noticed that the rear window was getting blurry, and I had just washed it when we filled up. Growing concerned, I pulled off into the Charbonneau rest area near Aurora and glided into a parking spot. I went around back, opened the rear engine hatch and could see that the coolant bottle was empty, and I could hear steam. After moving the bedding out of the way, I could get the top hatch open and could see that the coolant was escaping from the cursed coolant outlet flange. I would later discover that the c-clip or "U" clip that holds the coolant sensor in place had a broken leg (so, really a "J-clip). If you look at the picture on the right, there ought to be a little plastic tab thing sticking downward from the bottom of that dark channel on the right side of the outlet flange. That would be the end of the "U" that's not there. Our trip to Eugene was over and I called for a tow.

 

trench filled

We waited for about an hour, and the truck operator seemed fine enough. He was nice, albeit quiet. In retrospect, he seemed less comfortable with Hapy not having a parking brake but Hapy has been on a flatbed lots of times without an issue. Until this time. I believe he did not strap the wheels down as tightly as prior truck operators had. I say that because Hapy seemed to move front-to back a little bit as he backed the truck into the driveway. I had not noticed that when he was loaded onto the flat bed in the parking lot. We rolled Hapy into place, and Ang and I called it a day, returning to Hapy the next day... when we discovered that putting Hapy in gear was not enough to hold him in place. Since it was enough to hold him in place on the flatbed, at least while he was getting strapped in, and this was over an hour after we had overheated, I conclude that the tow somehow messed up the transmission-to-engine connection (read: clutch). I wanted to see if the engine was locked up, so I put a 19mm socket on the crank end-bolt and gave the engine a short turn (like 15*). The timing belt moved, the camshaft moved with it, so I concluded no major engine damage was done. Or, at least, it's not frozen in place. That's huge, but I think I will need to pull the engine and transmission apart to fix whatever went wrong in between. With this knowledge, we called it a day on Friday and spent a lovely day at the beach on Saturday.

 

trench filled

Since I still had a trench running the length of the lane-way, I spent Sunday morning filling the trench. By the end of the day, Ang and I had flat-towed Hapy back to the shop with the X-Runner and 20' of trucker's chain, parking him out front. I need to clear some space inside the shop to put him, and get him in there. Then, I have the equivalent of a clutch job ahead. The last time I had to remove, separate, re-acquaint and re-install the engine and transmission, I vowed that I would cut a rear apron into the back so I could just remove the engine. Looks like that time is now. Regardless, Hapy will probably not make it back out on the streets this summer. Could I get it done before Summer ends? Maybe, but we have lots of things going on and I don't know if I have a weekend to dedicate to that right now. Besides, if I am going to cut, I want it well planned with a means of fastening what I have removed before I pick up an angle grinder.

 

EDIT: I was trolling through some of my old posts yesterday when I came upon Front is Front which clearly describes this same coolant sensor leak recurring, until I put the clip in from below. Over 15 years later, and I'm repeating myself. Had I remembered, or read, we would not have lost coolant, broken down, etc. There's a lesson in there somewhere.

 

Wrap

With Hapy's catastrophic failure, we are down to one operable car: The Toyota X-Runner, which Ang drives to work. She has a lingering bad shoulder from a skiing crash a dozen years ago, so driving a 6-speed in rush-hour traffic is really taking a toll. If Ian and I can't get K'Lack fixed, we are going to need to re-po the Astra and have Krista solve her car need another way. Generosity reaches a limit when another's convenience is literally causing you pain.

 

Well, that's where those 3 cars are at. I have a long tale of 2 Astra's to share another time. We have lots of active construction Ang and I are doing with our friend Ray, so I'll update on that, the Astra's and whatever else happens around here as things roll. I hope the reference to the electoral vote guys doesn't cross some no-politics line for you. I generally don't bring that noise in here, but elections are coming, and we all need to be as well informed as we can be.

 

Thanks as always, for following along. Until next time-

Hapy Gets a FrostHeater

Today, I nearly complete the re-assembly from the flywheel (well, ring gear, really) replacement that has been an open effort since US Independence Day. I had to order a clip to hold the coolant temperature sensor in the coolant outlet flange, so this post picks up where I left off after placing that order. Before I begin, hapy belated GroundHogs Day or Imbolc, if you're a little less western in your seasonal outlook. Either way, there's 6 more weeks of winter because Spring Equinox is still 6 weeks away no matter what a Pennsylvania rodent sees. Anyway...

 

Some History 

installed

For background, Hapy was having increasing trouble starting over the past 2 years. I thought I was getting poorly manufactured starters because every time I replaced one, he would be okay to start for a few times. That was until the last couple, including a new highly-recommended starter from IDParts and a fresh local rebuild of the original TDI starter by a very reputable rebuilder. I concluded the teeth on the "ring gear" or in my case the teeth on the flywheel since this flywheel was one formed unit, had broken off enough that the starter teeth could not engage. This started a path that started with removing the engine-transaxle on my falling-into-pieces driveway, having the transaxle fall off a jack and popping off a flange, hauling Hapy in a sketchy way back to the shop, and finally, now, almost completely reassembled. When this saga completes, he would have been not running since July of 2024 (when we drove home from the final 4Peaks Music Festival).

 

FrostHeater

Frostheater is a vendor who uses a widely available Zerostart 3309040 coolant heater with hoses and brackets for a custom fit for various makes and models. If you have not tried one and are tired of cycling your glow-plugs multiple times before you can start your diesel in the winter, I suggest giving them a look. The unit Frostheater uses looks to be the top of the line from Zerostart in terms of build, capacity and cost. There are plastic other brands, and block heaters that are effectively a glue-on heating pad, but I have found these FrostHeaters to be really effective. From what I can tell, there are no moving parts. By placing the unit near the lowest point of the oil cooler loop the unit draws colder coolant from the oil cooler and the warmed coolant flows up through the upper bib into the head. That rising heated coolant then puts pressure on the coolant in the block to move into that vacuum, through the oil cooler and the loop completes. A few years ago, I installed a Frostheater into a 2004 VW Jetta Wagon (K'Lack). It worked great. We sold K'Lack to our niece a few months later, and she never used the heater. So, when we had to do a major timing belt and cam shaft maintenance, OldPoopie removed the FrostHeater, and restored the original coolant line which I left in place when I installed the Frostheater. The Frostheater and related hoses went into a box for future Hapy consideration.

 

Coolant Temperature Sensor

#6 in diagram

Before I get too far ahead of the story, I installed the coolant temperature sensor and retaining clip first. That sentence is easy to type, but the actual install is very unpleasant. In Hapy, the coolant outlet flange sits behind the fuel tank and barely above the top of the body cross-support that also contains the center-mount for the transaxle. So, there is no way to insert the clip from below, it must go in from above. Directly above the insertion point for the temperature sensor, however, is the to-the-heater side of the coolant outlet flange, leaving a 1/4" or so to fit the clip. Since the orientation of the clip is straight  up and down, there is not enough room to simply slide it in. Of course, let's not forget that you can't actually see anything because it is all on the front side of the engine. For the ALH-TDI engine install into the bay-window bus, I believe this is the single issue that challenges the install. It is minor, in the grand scheme, but it is still highly unpleasant when you need to replace this sensor.

 

So, how do we do this? With a fingernail, I find the slot on the far side (front) of the flange where the one side of the clip will go, and send one "leg" of the clip into that slot while holding the sensor firmly in place. The clip will flex hard, and the inner "leg" of the clip needs to bend somewhere while the first notch of the clip is slid in, I found that having it flex away from the flange (towards the sensor) gave me something to work with. Once the clip is most of the way down and it seems like the clip can't possibly flex any more, push the flexed inner "leg" towards the flange until it clicks into the hidden slot. I spent a couple of hours wrestling with this, and broke a clip along the way, but this method does work. These clips are inexpensive, so buy several when you need to install one. Also, I found it much easier to access the coolant flange from the driver side (the sensor side) if the charged air hose is removed.

 

FrostHeater Install

where fits FrostHeater

I could have stayed on target at this point, filled the system with coolant and started test firing the engine. In fact, I try to follow that pattern more recently: finish what you started, then do the next thing. In this case, I had already lost the coolant from just below the outlet flange and above. I figured swapping out one hose for 2 with the coolant heater was not a significant scope increase when compared to the effort to open the system to add the heater later. I figured adding it later could be years away.

 

All of the install drawings and instructions I was able to find gave very model-specific directions. I was able to determine through loosely related searches that the life of the heater is significantly extended if it does not suffer the constant vibration of being attached to the engine block. So, I looked for a place along the right side of the engine bay where it would be low enough to be nearly the lowest point relative to the engine block while still being reachable by the hoses I had on-hand. That area has a small wire bundle, the main 12V line and the diesel fuel lines, so my placement will need to be careful, but there is a section a few inches front-to-back where it could go. With that general placement decided, I shifted to hoses.

 

The BEW TDI hoses that were part of the FrostHeater kit are not an exact fit for my early ALH TDI. The top hose (red line in the drawing on the right), which runs from the top of the heater into the head hose bib which protrudes on the oil cooler side of the engine just below the coolant outlet flange (#11 in drawing), had an extra bend at the far end that I trimmed off. I felt that the extra bend made the hose want to have a large arc which would have created a hard-to-manage air pocket -or- it was a kinking risk, reducing the coolant flow. The lower hose that runs from the lower bib on the oil cooler to the lower bib on the heater simply would not work for where I could install the heater and still use the upper hose. So, I decided to reuse the hose I had originally running from the oil cooler to the head for the lower hose from oil cooler to heater (blue line in drawing).

 

viewed thru top hatch

Now, we get to hard-mounting the heater to the engine bay. The BEW install bracket on top of the heater unit was oriented to mount to the left side of something. I don't remember what. But the bracket could be easily removed with a 7/16" socket and flipped over, aligning the bracket for a right-side install. Flipping the bracket also placed the heater about an inch lower and set the angle of the bracket against the lip of the engine bay, offering some additional support. With the hoses attached, the heater unit had a smaller range of motion for deciding where to mount it without putting stress on the hoses. Still, I was able to find a spot where the bundle of wires and everything else would not get bound beneath the bracket, and marked it with a sharpie. I planned for and then drilled for a M6 rivnut. The M6 was considerably smaller than the original, but the heater is super light and I was fairly sure that bolt was designed to go into a pre-existing hole. I say "planned for" because once I got the hole drilled, there was no way I was going to be able to fit the hand-riveter into the engine bay and set the rivnut. So, instead, I simply sent the bolt through and nutted from behind like most things. It is still a M6 bolt, using washers, of course, just no fancy riv-nut. So, to remove, I will need 2 wrenches rather than one. Not a big deal.

 

Fill 'er Up

from behind approx level

With the cooling system seemingly buttoned up, it was time to add coolant and burp out the air bubbles. This is where my effort ran out of supplies: no G40 coolant on hand. I added some water to confirm there were no leaks, and after shifting the upper hose clamp on the FrostHeater, there were not any. In the picture on the right, here, you can see how well tucked up and out of the way it is, even though it is below the oil cooler. Note the dry, albeit stained, concrete floor underneath. No leaks.

 

I still need to solve for the routing of the electrical cord so it can be reached relatively easily on a cold day, but far enough out of the way that it is not subjected to flying gravel and road debris. At this point, I am looking at tucking it up behind the right rear wheel, under the battery tray and holding it in place with a strip of cable-management Velcro.It might be time to consider mud flaps back there to help protect the cable from tire kick up.

 

Last, when I removed the exhaust at the start of this project, it came apart where the pipe meets the muffler. To be honest, I was never terribly pleased with the exhaust that was put on there. But, it did last 15 years, so I can't complain too much. Still, I have a 2" exhaust kit that is a bunch of straights and turns that I intend to eventually cobble together into a better exhaust. I think, to get Hapy on the road, I will put the existing, falling apart system back in. Then, I can plan for the 2" exhaust as a near-future improvement.

 

Thanks, as always, for following along, and I intend to get coolant this week and get Hapy running next weekend.